Texas Instruments SLEU056 User's Manual
Contents
1. lllllleeeeeleee eens 2 3 2 2 1 Double Speed Control JMP120 2 3 2 2 2 Enable Disable S PDIF MUTE 1 0 2 3 2 2 3 Bypassing Equalizer Functions in the Digital Audio Processor JMP360 2 3 2 3 Default Jumper Positioins llllleleleeeeee RII 2 4 2 4 Description of Connectors ll eeeeeeeeee hh ras 2 4 2 4 1 S PDIF Digital Audio Coaxial RCA Input J100 2 4 242 S PDIF Optical JTOT 4 ius oio ea RE Fa ERE 2 4 2 4 8 Analog input J160 and Analog Output J170 2 4 2 4 4 PC and C Interface 300 0 00 eee eee eens 2 5 2 4 5 Loudspeaker Connectors J540 J541 J580 and J581 2 6 2 4 6 Power Supply Connector 0 eee eens 2 6 2 5 Description of Switches and Buttons 0 eens 2 7 2 5 1 S PDIF Input Selector Switch 8100 2 7 2 5 2 Bypass Digital Audio Processor Switch S320 2 7 2 5 8 Reset Board Button S620 2 7 2 504 Mute B lttori S240 cee eben dete ote oe eoa dada cbe 2 7 2 5 5 Volume Control 5340 and 5341 2 7 2 6 Description of Indicators 0 0 cee tent ns 2 8 2 60 15 iPowerbEDT1bED223 sas os suse DRE ES d mese PER see eens 2 8 202 JN2. DAP The equalizer function is enabled if JMP360 shunts pin 1 and 2 The equalizer is disabled when JMP360 shunts pin 2 and 3 Oe nnn eee Note Bass and treble are flat when the equalizer is bypassed ES Detailed Description of the EVM 2 3 Default Jumper Positioins 2 3 Default Jumper Positioins Default jumper positions are marked with a grey rectangle in Figure 2 3 Figure 2 3 Default Jumper Positions B JMP120 2 4 Description of Connectors 2 4 4 S PDIF Digital Audio Coaxial RCA Input J100 The RCA connector can be connected to a digital S PDIF source through a coaxial cable with 75 Q characteristic impedance e g RG59 cable The highest sampling rate supported for this input is 96 kHz 2 4 2 S PDIF Optical J101 The Toslink connector can be connected to a digital S PDIF signal through an optical cable The highest sampling rate supported for this input is 96 kHz 2 4 3 Analog input J160 and Analog Output J170 Analog sources can be connected to the A D converter through J160 The analog line input is optimized for an input signal with a maximum voltage at 2 1 Vnus Analog output from the digital audio processor is available at P170 Maximum output level is 0 7 Vays Pin numbers for J170 is equal to numbers at J160 Figure 2 4 Pin Numbers at the Line Input Output Connector Top View 3 2 1 2 4 Descri
3. Guide the kit may be returned within days from the date of delivery for a full refund THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES TI currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive Tl assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read the EVM User s Guide and specifically the EVM Warnings and Restrictions notice in the EVM User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For furthe
4. at high output levels and low frequencies 3 1 1 the EVM by Power Supply A single power supply can be connected to the TAS5010 5112F2EVM board Short VHBR and V at the power cable red and white plugs Voltage for the connected power supply is not allowed to be below 15 V The maximum supply voltage depends of the speaker load resistance Check the recommended maximum supply voltage in the TAS5112ADFD data sheet SLESO94 Table 3 1 Maximum Supply Voltage Single Supply Rioap 6 Supply voltage VHBR and V 29 5V 3 1 2 Power the EVM With Two Power Supplies When two supplies power the TAS5010 5112F2EVM it is possible to adjust the output power with the level of the voltage VHBR pin 1 at J640 The minimum VHBR voltage is O V The maximum voltage depends of the load resistance Check the recommended maximum supply voltage in the TAS5112ADFD data sheet 51 5094 Table 3 2 Maximum H bridge Voltage vs Load Impedance Rioap 6 Maximum VHBR voltage 29 5 V V voltage 15V 20V Figure 3 1 Recommended Power Up and Power Down Sequence V VHBR i gt 1 ms gt 3 2 Setup the TAS5010 5112F2EVM With the S PDIF Input 3 2 Setup the TAS5010 5112F2EVM With the S PDIF Input Connect the EVM board as shown in Figure 3 2 Select between coaxial or optical input signal at the input selector switch S100 Press the lever at S320 in the direction
5. or represent that any license either express or implied is granted under any TI patent right copyright mask work right or other intellectual property right relating to any combination machine or process in which TI products or services are used Information published by TI regarding third party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of Reproduction of information in Tl data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this information with alteration is an unfair and deceptive business practice is not responsible or liable for such altered documentation Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated product or service and is an unfair and deceptive business practice is not responsible or liable for any such statements Following are URLs where you can obtain information on other Texas Instruments products and application solutions Products Applica
6. 5010 is pin compatible with the TAS5001 PCM PWM modulator The maximum sample rate for the TAS5001 is 96 kHz Together the TAS5010 and one TAS5112ADFD provide the complete PurePath Digital conversion of a 3 3 V digital audio input stream up to 2x50 W into 6 Q loudspeakers The chipset is ideal for applications requiring excellent audio quality minimum size and weight and high power efficiency The chipset can be used in a range of products such as micro components systems home theater in a box DVD receivers or TV sets The TAS5010 5112F2EVM is a complete true digital amplifier including an S DIF receiver 128 audio interface volume control interface to personal computer through the parallel port and required control logic The amplifier reference design is surrounded by a white line on the PCB Topic Page 1 1 TAS5010 5112F2EVM Features TAS5010 5112F2bEVM Features 1 1 TAS5010 5112F2EVM Features PurePath Digital reference design double sided plated through PCB layout L S PDIF receiver with coaxial and optical input sampling rate 2 32 kHz 192 kHz 129 audio interface sampling rate 32 kHz 96 kHz L On board volume control L Auto mute function Self contained short circuit and temperature protection system Digital audio processor DAP which include 24 bit volume control digital gain bass and treble control parametric equalization dedicated speaker equalization loudness control an
7. I TEXAS INSTRUMENTS TAS5010 5112F2EVM Evaluation Module for the TAS5010 Digital Audio PWM Processor and the TAS5112ADFD Digital Audio PWM Power Output Stage User s Guide June 2004 DAV Digital Audio Speaker SLEUO056 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries TI reserve the right to make corrections modifications enhancements improvements and other changes to its products and services at any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold subject to Tl s terms and conditions of sale supplied at the time of order acknowledgment Tl warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with Tl s standard warranty Testing and other quality control techniques are used to the extent deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily performed Tl assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using Tl components To minimize the risks associated with customer products and applications customers should provide adequate design and operating safeguards TI does not warrant
8. a label DAP ON which indicates the position of the lever for the DAP inserted in signal path Warning Bypassing the DAP is equal to maximum output power attenuation O dB This might be loud and could possible damage your loudspeaker and hearing 2 5 3 Reset Board Button S620 This is the master RESET for the EVM board While this button is held down the DIR1703 TAS3002 TAS5010 and TAS5112ADFD are held RESET and latching errors are cleared Note that while the RESET button is held down the No S PDIF LED lights up even if a valid S PDIF input signal is present because the DIR1703 S PDIF receiver is held RESET 2 5 4 Mute Button S240 The output stage is muted not switching while this button is held down and unmutes when it is released 2 5 5 Volume Control 8340 and S341 5341 and S340 Volume control of TAS3002 DAP Press and hold the 341 button to decrease output power level Press and hold the S340 button to increase output power level p UA OcSSSSS SS 43 Note Change of listening level is slow It takes approximately 25 seconds to change attenuation from 70 dB to O dB LLLLLLSSSS OXOO W A The TAS3002 device implements a soft volume control This feature allows a change from one volume level to another over the entire range of volume control 18 dB to mute Above O dB there is risk of signal c
9. accept standard 4 mm plugs Use of high quality plugs and speaker cable are recommended Table 2 3 Description of Loudspeaker Connectors Reference Designator Description J540 Left speaker positive output terminal J541 Left speaker negative output terminal J580 Right speaker positive output terminal J581 Right speaker negative output terminal Caution Both positive and negative speaker outputs are floating and may NOT be connected to ground f ex through an oscilloscope 2 4 6 Power Supply Connector Figure 2 6 Pin Numbers at PSU Connector Top View 4 3 2 1 Table 2 4 Description of PSU Connector Pin No Description 1 Supply voltage for output stage VHBR 2 Supply voltage for control and gate drive V Ground Ground 2 6 Net Name at Schematic POWER OUTPUT STAGE GND GND Description of Switches and Buttons 2 5 Description of Switches and Buttons 2 5 1 S PDIF Input Selector Switch S100 S100 switches between optical and coaxial S PDIF input When the lever is pressed in the direction of J101 the optical S PDIF input is selected When the lever is pressed in the direction of J100 the coaxial S PDIF input is selected 2 5 2 Bypass Digital Audio Processor Switch S320 When the lever is pressed in the direction of S341 the DAP is bypassed When the lever is pressed in the direction of U360 TAS3002 the DAP is in the signal path Below S320 is
10. d adjustable dynamic range compression expansion L DAP control through PC software DCT software from Texas Instruments Default DAP settings is downloaded to an EEPROM with the DCT software Analog line input use internal analog to digital converter DAP Analog line output use internal digital to analog converter in DAP Figure 1 1 Simplified TAS5010 5112F2EVM Block Diagram PARRALLEL PC SOFTWARE PORT CONTROL INTERFACE ANALOG INPUT ANALOG OUTPUT OPTICAL INPUT 32 kHz 96 kHz COAXIAL INPUT 125 INPUT 32 kHz 192 kHz DIR1703 S PDIF RECEIVER 125 INTERFACE I2C BUS TAS3002 DIGITAL AUDIO PROCESSOR TAS5112ADFD DIGITAL AUDIO PWM POWER TAS5010 DIGITAL AUDIO PWM PROCESSOR 125 BUS OUTPUT STAGE 125 BUS The DIR1703 IC from Texas Instruments Burr Brown is used as S PDIF receiver and system clock generator This product is a digital audio interface receiver DIR that receives and decodes audio data up to 96 kHz sampling rate DIR1703 is running in a configuration where it automatically switches between PLL mode and crystal mode When the DIR1703 is connected to an active digital source it is running in PLL mode The system clock SCKO frequency depends on the incoming sampling rate fs SCKO 256 x fs When no digital source is represented the DIR1703 switches to crystal mode The system clock frequency in crystal mode depends on the external crystal connected to
11. e 2 1 Board Outline With Connectors Switches Jumpers and Indicators PSU Connector S PDIF Digital Audio J100 Coaxial RCA Input Coaxial Switch between Optical e S PDIF ERROR and Coaxial input ENABLE SAMPLE RATE CONTROL ptica S PDIF Digital Audio Optical Toslink Input J101 MUTE A D Converter Output J170 D A Converter Input J160 BYPASS DIGITAL AUDIO PROCESSOR EQ DISABLE Z EQUALIZER ENABLE i EQ ENABLE Speaker Left kkk 125 Interface J400 Speaker Right BYPASSED Sar 2 PC and 1 Connector J300 A al l E Volume Control a o Q Note Indicates default jumper posistions x3 z z Z c gt E E amp o E amp a a The physical structure for the TAS5010 5112F2bEVM is illustrated in Figure 2 2 Block headings refer to page headings the TAS5010 5112F2bEVM schematic Figure 2 2 Physical Structure for the TAS5010 5112F2EVM POWER SUPPPLY SECTION AUDIO INPUT SECTION CONTROL SECTION TAS5010 TAS5112ADFD REFERENCE DESIGN PCM TO PWM MODULATOR SECTION amp OUTPUT STAGE SECTION DIGITAL AUDIO PROCESSOR SECTION 2 2 Description of Jumper Settings 2 2 Description of Jumper Settings There are three jumpers on the EVM board J400 is an 125 interface 2 2 1 Double Speed Control JMP120 JMP120 is used to set the double speed pin at TAS5010 DBSPD pin 39 The TAS5010 is operating in s
12. e following table contains a list of data manuals that have detailed descriptions of the integrated circuits used in the design of the TAS5010 5112F2bEVM The data manuals can be obtained at the URL http www ti com Additional TAS5010 5112F2EVM Documentation FCC Warning Trademarks DCT Software and User s Guide for Controlling the TAS3002 L TAS5010 5112F2bEVM Application Report SLEA036 Data Manuals This equipment is intended for use in a laboratory test environment only It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference Equibit and PurePath Digital are trademarks of Texas Instruments Contents 1 AMUPOGUCUON dedi sept didus bug ES eS da uem a d d oie 1 1 1 1 TAS5010 5112F2bEVM 1 2 2 Detailed Description of the EVM 2 1 2d Board OVeIVIOW cu tout eather e hbase Vo iaa udi gatus alee tied teen 2 2 2 2 Description of Jumper Settings
13. er and above the shutdown level the error latch is set and the system goes into RESET mode At this point the Protection Mode LED will be lit as well as the Temperature Warning LED 2 6 4 Protection Mode LED LED220 The red LED indicates that protection circuit is engaged and it has put the output stage in shutdown mode Possible causes for shutdown mode Two speaker terminals are shorted The amplifier is constantly overloaded decrease volume level One speaker terminal is shorted to ground f ex through an oscilloscope The output stage is in thermal shutdown due to overload Check the setup and board carefully and remove the cause of the failure before pressing RESET S620 to disengage the protection mode 2 8 Chapter 3 EVM Board Operation This chapter describes the TAS5010 5112F2EVM board operation Topic Page Power Supply Setup the TAS5010 5112F2bEVM With the S PDIF Input Setup the TAS5010 5112F2bEVM With the Analog Line Input Interfacing the Analog Line Output Controlling the DAP With PC Software 3 1 Power Supply 3 1 Power Supply The TAS5010 5112F2EVM can be powered from one or two external power supplies High end audio performance requires a stabilized power supply with low ripple voltage and low output impedance BM Note The length of the power supply cable must be minimized Increasing the length of the PSU cable is equal to increasing the distortion for the amplifier
14. ined These components include but are not limited to linear regulators switching transistors pass transistors and current sense resistors These types of devices can be identified using the EVM schematic located in the EVM User s Guide When placing measurement probes near these devices during operation please be aware that these devices may be very warm to the touch Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2004 Texas Instruments Incorporated Preface Read This First About This Manual This manual describes the operation of the TAS5010 5112F2EVM evaluation module from Texas Instruments How to Use This Manual This document contains the following chapters Chapter 1 Overview Chapter 2 Detailed Description of the EVM Board L Chapter 3 EVM Board Operation Chapter 4 Hints for Measurements of Performance Information About Cautions and Warnings This book may contain cautions and warnings This is an example of a caution statement A caution statement describes a situation that could potentially damage your software or equipment This is an example of a warning statement A warning statement describes a situation that could potentially cause harm to you Trademarks The information in a caution or a warning is provided for your protection Please read each caution and warning carefully Related Documentation From Texas Instruments Th
15. ingle speed mode if the DBSPD pin is asserted low and in double speed if it is asserted high Single speed is required for sampling rate at 32 kHz 44 1 kHz 48 kHz and double speed for 88 kHz and 96 kHz sampling rate The S PDIF receiver automatically controls the DBSPD pin if JMP120 shunts pin 1 and 2 default setting If JMP120 shunts pin 2 and 3 the TAS5010 is in single speed mode If JMP120 shunts pin 3 and 4 the TAS5010 is in double speed mode 2 2 2 Enable Disable S PDIF MUTE JMP130 JMP130 is used to disable the S PDIF MUTE signal S PDIF MUTE DIR1703 UNLOCK DIR1703 ADFLG The DIR1703 UNLOCK signal is high until the PLL in DIR1703 detects and locks on an incoming digital signal The ADFLG signal is high when the S PDIF data does not include a PCM audio signal The S PDIF MUTE signal is used to shutdown the output stage the H bridge stop switching To obtain click and pop reduced shutdown it is necessary to mute the output stage before Reset on TAS5010 is asserted low When the EVM board is connected to an analog source or to a digital source through the 125 interface is it necessary to disable the UNLOCK warning This is done with the JMP130 jumper When JMP130 shunts pin 1 and 2 the UNLOCK warning is enabled default setting The warning signal is disabled If JMP130 shunts pin 2 and 3 2 2 3 Bypassing Equalizer Functions in the Digital Audio Processor JMP360 JMP360 is used to disable the equalizer function in the
16. lipping Distortion of output signals is the result of signal clipping S 1 Note oignificant signal clipping might result in activation of the overcurrent protection system LLLLLLSSS A v M Detailed Description of the EVM 2 7 Description of Indicators 2 6 Description of Indicators 2 6 1 Power LED LED223 The green LED indicates that the control circuitry at the TAS5010 5112F2bEVM board is powered on 2 6 2 No S PDIF Input LED LED222 The yellow LED indicates that the S PDIF input signal is missing or it does not contain valid audio data Reasons to have a No S PDIF warning The lever at the S PDIF input selector switch S100 is placed in the wrong position The S PDIF signal is missing Some DVD players remove the S PDIF output signal when the drawer is opened Note When the SPDIF MUTE signal from the S PDIF receiver is disabled JMP130 is shunting pin 2 and pin 3 the No S PDIF indication is disabled 2 6 3 Temperature Warning LED LED221 The yellow LED indicates that the temperature of the TAS5112ADFD junction has reached the warning level This is step one of the two step thermal protection system implemented in the TAS5112ADFD device The temperature warning is an indication only the operation of the system is unchanged If the temperature increases furth
17. o S PDIF Inpa t ED LED222 sous dcs scs mit ud ode aou Ns tr rv TAS 2 8 2 6 3 Temperature Warning LED LED221 2 8 2 6 4 Protection Mode LED LED220 2 8 3 EVM Board asina trs DECIDE Em EAE EE cues 3 1 Ad IPOWSIOUDDIy s cece eee eis eared Dod uen 3 2 3 1 1 Power the EVM by One Power Supply 3 2 3 1 2 Power the EVM With Two Power Supplies 3 2 3 2 Setup the TAS5010 5112F2bEVM With the S PDIF Input 3 3 S edere 3 4 3 3 Setup the TAS5010 5112F2bEVM With the Analog Line Input 3 4 3 4 Interfacing the Analog Line Output 0 0 ccc eens 3 4 3 5 Controlling the DAP With PC Software 3 4 4 Hints for Measurement of Performance 4 1 Figures Oe or doce Simplified TAS5010 5112F2bEVM Block Diagram 1 2 Board Outline With Connectors Switches Jumpers and Indicators 2 2 Physical Structure for the TAS5010 5112F2bEVM 2 2 Deta ltJ mper POSIMONS x53 x 68 3 sete EEDOREDDREXERFONGE ETSI APRENDE 2 4 Pin Numbers at the Line Input O
18. of U360 if the TAS3002 DAP is wanted in the signal path recommended during normal listening tests There is no attenuation if DAP is bypassed If the DAP is in the signal path the start up volume level depends on what is programmed in the serial EEPROM on the EVM board The default startup volume level is initially programmed to 12 dB below full scale which on some speakers still might be loud The default volume level can be changed with the DCT software on the PC The following are the conditions for standard setup 1 All jumpers are in default position 2 Speakers power supply and if required a cable for PC communication are initially connected to the EVM board 3 The TAS5010 5112F2bEVM can be powered with either one or two power supplies see the Power Supply section Power supplies are initially switched OFF 4 Music player is initially switched OFF 5 PC connection is optional Figure 3 2 EVM Board Connected to S PDIF Sources and Personal Computer Power Power Supply Supply S PDIF Coaxial RCA cable Coaxial 5 Switch between S PDIF ERROR PX ix Optical and Coaxial input NABLE a SAMPLE RATE ical gt CONTROL FX S PDIF Optical Toslink cable MUTE SPEAKER LEFT BYPASS DIGITAL AUDIO PROCESSOR A Ed 2 EQ DISABLE LAU EQUALIZER ENABLE a o EQ ENABLE 4 cA J400 BYPASSED oa i aaa a Attached cable for PC s841 240 SPEAKER RIGHT In
19. play with analog source 3 4 Interfacing the Analog Line Output The default is the analog line output J170 active The analog line output can be connected to analog tape recorders or analog amplifiers e g a subwoofer 3 5 Controlling the DAP With PC Software Operating instructions for the DCT software are described in the Digital Audio Processor DAP Configuration Tool Operating Instruction user s guide which is located on the PurePath Digital Amplifier CD ROM 3 4 Chapter 4 Hints for Measurement of Performance Head the Digital Audio Measurements application note SLAA114 for an introduction to measurements on true digital audio amplifiers You are welcome to use the audio precision test files available on the PurePath Digital amplifier CD ROM Note that an AES17 filter is required to reach the shown measurements Specifications for the AES 17 filter are described in the AES Standard Method For Digital Audio Engineering Measurement of Digital Audio Equipment the AES17 standard is available from the Audio Engineering Society www aes org When evaluating the performance of the digital amplifier section bypass the digital audio processor with S320 or adjust all settings to neutral and attenuation to O dB Connect the TAS5010 5112F2EVM to a regulated power supply with a short cable The length of the PSU cable must not exceed 0 3 meters 4 1 4 2
20. ption of Connectors Table 2 1 Description of J160 and J170 Pin No Description Analog Input Connector J160 1 Left Channel Input 2 Ground 3 Right Channel Input Analog Output Connector J170 1 Left Channel output 2 Ground 3 Right Channel Output 2 4 4 PC and 2C Interface J300 The PC interface using the attached special cable to parallel printer port on the PC This makes it possible to control the TAS3002 digital audio processor totally from the PC using the special DCT software saved on the PurePath Digital amplifier CD ROM The PC interface can also be used to control the TAS3002 from an external microcontroller of your own choice Figure 2 5 Pin Numbers at the Parallel Port IC Interface I C J300 Table 2 2 Description of J300 Pin No Pin Description y o Net Name on Schematic 1 Power ON Reset POWER ON RESET 2 Serial Data Line SDA VO SDA BI 3 Serial Clock Line SCL SCL BI 4 Serial Data Line In SDA IN 5 Serial Clock Line Out O SCL OUT 6 Reserved For future use 7 Serial Data Line Out SDA OUT 8 Serial Clock Line In SCL IN 9 OV GND Pin 2 SDA and pin 3 SCL are used for communication between an external micro controller and the digital audio processor Detailed Description of the EVM 2 5 Description of Connectors 2 4 5 Loudspeaker Connectors J540 J541 J580 and J581 All speaker connectors
21. r safety concerns please contact the application engineer Persons handling the product must have electronics training and observe good laboratory practice standards No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such products or services might be or are used Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2004 Texas Instruments Incorporated EVM WARNINGS AND RESTRICTIONS It is important to operate this EVM within the input voltage range of O V to 29 5 V for the output stage and 15 V to 20 V for the system supply Exceeding the specified input range may cause unexpected operation and or irreversible damage to the EVM If there are questions concerning the input range please contact a field representative prior to connecting the input power Applying loads outside of the specified output range may result in unintended operation and or possible permanent damage to the EVM Please consult the EVM User s Guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a field representative During normal operation some circuit components may have case temperatures greater than 60 C The EVM is designed to operate properly with certain components above 60 C as long as the input and output ranges are mainta
22. terface LPT Port m Ln A U Jc Note Indicates default t ote Indicates default jumper posistions PC with GUI software to control VOLUME CONTROL POWER 7 ee Volume NO S PDIF Bass Treble amp Loudness A C Equalizer TEMPERATURE WARNIN amp J Loudness PROTECTION MODE _ EVM Board Operation 3 3 Setup the TAS5010 5112F2EVM With the Analog Line Input 3 2 1 Start up Sequence 1 Turn on the power supply supplies Follow the power up and power down sequence described in the Power Supply section Observe that the green Power ON LED and the yellow No S PDIF LED are lit Run the DCT software from the PC desktop if the DAP is activated S320 and the attached cable is connected from J300 to the PC Turn on the CD DVD player and play the test CD Observe that the yellow No S PDIF now is OFF Observe that digital audio is coming from the left and right speakers 3 3 Setup the TAS5010 5112F2EVM With the Analog Line Input E E LI E Disable the UNLOCK warning from S PDIF receiver JMP 130 shunts pin 2 and 3 Connect the TAS5010 5112F2bEVM board and PC with the attached cable Connect the analog source to the analog input J160 Power the TAS5010 5112F2bEVM board Enable the TAS3002 analog input with the DCT software Disable the TAS3002 digital input both SDIN1 and SDIN2 with the DCT software The TAS5010 5112F2bEVM board is ready to
23. the DIR1703 receiver On the TAS5010 5112F2EVM board the crystal mode system clock is 12 288 MHz Crystal mode operation is used to generate a fixed clock when the TAS5010 5112F2EVM board is connected to an analog source The external anti aliasing filter for the A D converter is optimized to 48 kHz sampling rates TAS5010 5112F2EVM Features The TAS3002 IC from Texas Instruments is used as digital audio processor DAP All features in the DAP can be controlled through the 125 interface Adjustment of the sound level can be executed through the 12C bus and with two push buttons on the EVM board During power up the TAS3002 settings and coefficients are loaded from an external serial EEPROM The TAS3002 coefficients control all features in the DAP Customized start up settings can be downloaded to the EEPROM This operation is easy to execute with a personal computer DCT software and a cable between TAS5010 5112F2EVM and the computer The TAS5010 5112F2EVM is connected to the LPT port at the computer Introduction 1 3 1 4 Chapter 2 Detailed Description of the EVM This chapter describes the TAS5010 5112F2EVM board in regards to board layout jumpers switches buttons and connectors Topic Page Board Overview Description of Jumper Settings Default Jumper Positioins Description of Connectors Description of Switches and Buttons Description of Indicators 2 1 Board Overview 2 1 Board Overview Figur
24. tions Amplifiers amplifier ti com Audio www ti com audio Data Converters dataconverter ti com Automotive www ti com automotive DSP dsp ti com Broadband www ti com broadband Interface interface ti com Digital Control www ti com digitalcontrol Logic logic ti com Military www ti com military Power Mgmt power ti com Optical Networking www ti com opticalnetwork Microcontrollers microcontroller ti com Security www ti com security Telephony www ti com telephony Video amp Imaging www ti com video Wireless www ti com wireless Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2004 Texas Instruments Incorporated EVM IMPORTANT NOTICE Texas Instruments 1 provides the enclosed product s under the following conditions This evaluation kit being sold by is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use As such the goods being provided may not be complete in terms of required design marketing and or manufacturing related protective considerations including product safety measures typically found in the end product incorporating the goods As a prototype this product does not fall within the scope of the European Union directive on electromagnetic compatibility and therefore may not meet the technical requirements of the directive Should this evaluation kit not meet the specifications indicated in the EVM User s
25. utput Connector Top View 2 4 Pin Numbers at the Parallel Port I C Interface I2C J300 2 5 Pin Numbers at PSU Connector 2 6 Recommended Power Up Power Down Sequence 3 2 EVM Board Connected to S PDIF Sources and Personal Computer 3 3 Tables vi Description ordTeb anda TO tur rd d re ta anu oec a ond scie et 2 5 JO Pr 2 5 Description of Loudspeaker Connectors 2 6 Description of PSU Connector esleseeeeeeeeee ran 2 6 Maximum Supply Voltage Single Supply 3 2 Maximum H bridge Voltage vs Load Impedance 3 2 Chapter 1 Introduction The TAS5010 5112F2bEVM PurePath Digital customer evaluation module demonstrates two integrated circuits the TAS5010 and TAS5112ADFD from Texas Instruments The TAS5010 is a high performance 24 bit stereo digital modulator based on Equibit technology This IC converts input PCM serial digital audio data to a pulse width modulated PWM audio data stream The TAS5010 PWM modulator accepts 125 data with a sample rate up to 192 kHz The TAS5010 is designed for implementation together with the TAS5112ADFD digital output stage for driving two loudspeakers in a stereo application The TAS
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