Texas Instruments TAS5727 User's Manual
Contents
1. 10 Equibit is a trademark of Texas Instruments 2 is a trademark of Philips Corporation SLOU299 December 2010 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 1 Submit Documentation Feedback 2010 Texas Instruments Incorporated J TEXAS INSTRUMENTS Overview www ti com 12 oE A 11 13 Advanced DAG Options sx cuxussibsasxadedind exitosa ed airatesiaaie quodsi md di pus dac bane inb AG ar etree malice 11 14 TASS727EVM TOD SOBHIDOSIIOASSOTITIDIN Duda Sau dapi ddp E ra EE 14 15 MC57xxXPSIA Top Composite Assembly ieiunium ke xe ci Ro ER RR dar ca IS a acd R CR 14 List of Tables 1 Recommended Power OUDD IIBS 4 2 Bill of Materials for TAS5727EVM 000 2122 2 2 02 2 222222 15 1 Overview The TAS5727EVM evaluation module demonstrates the TAS5727 device from Texas Instruments The TAS5727 combines a high performance PWM processor with a class D audio power amplifier This EVM can be configured with two bridge tied loads BTL 2 0 For detailed information about the TAS5727EVM device review the device data sheet SLOS637 The Pulse Width Modulator PWM is based on TI s Equi2. 5 3 Schematics The schematic for TAS5727EVM follows The schematics for MC57xxPSIA appear on the following pages JST VH2 RA BTL PBTL BTL o 9 JA amp pr 2 5 C30 0 68ufd 50V 1206 PGND O 68ufd 50V 1206 PGND 0 68ufd 50V 1206 PGND 0 68ufd 50V 1206 PGND 8 8 8 8 262 TO a a a a m d 5 Bo Bm LE Er 2 a Er 88 88 2 88 res 98 a ri oo mi a amp amp 2 zt a 2 5 2 S mo v ER a amp 38 S3 i 2 D AG E 52 5 oF S pn lt 55 aeo amp 38 5 ENT li BRUT B I 3 3 o 28 3 Em A 58 8 b E gt 5 a a gt SQ a e in 3 9 48 ES o o 95 5 8 8 o S8 o 88 gt e 5 4 a 2 2 43 Mc NE gt o 08 17224 5 124454 Eo x D iE n 33 Eg a 2 8 8 i 258 5g a 5 slo a z ES SIE 9 a 2 amp 3 E gt 8 9 8 oetss 88 gt mo zd 828 3 2 3 5 8 a E a 58 Es E 5 a B a Et 4 gt gt a 5 5 5 a g 9 58 58 9 3 5 En 5 8 58 9 NS g Do
3. S XNIN S CANI S IANI 6 H3MOd AS 110 39 sd 952 OMOS LNO 54 219 OMOS NI Ldf H H Scel aSNA ave OLWA iVINNOd VIVO ZN QN9 XINO NOILV YIVA3 SNIH33NION3 LOGLSISZOATHLNS A AN9 145 4 QN9 A INdNI OLdO se eet BE INdNI VOU 1 6 INdNI OLdO 124145 TS A9L PINLYO O 90 WN Siu AJAJ AlddS SLOU299 December 2010 Submit Documentation Feedback TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 18 2010 Texas Instruments Incorporated Xi TEXAS NSTRUMENTS Board Layouts Bill of Materials and Schematic WWVW ti com Eag AN 00 O0V AS NI 99Ad NI 99 d H3MOd LHA 1454 H3l3SVMWN INO J vas 105 6 2 p ViSd 09 9045 1700 3095 1700 3085 1700 ms nos 5 39s non
4. TEXAS INSTRUMENTS User s Guide SLOU299 December 2010 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC This manual describes the operation of the TAS5727EVM to evaluate the performance of the TAS5727 integrated digital audio power amplifier The main contents of this document are How to properly connect a TAS5727 Evaluation Module EVM and the details of the EVM Howto install and use the GUI to program the TAS5727EVM How to use the audio processing features such as EQ and Dynamic Range Control DRC e Quick Start Guide for the common modes in which TAS5727EVM can be used Contents 1 Gu Am 2 1 1 TAS5727EVM and MC57xxPSIA Features 2 CUIR E EXEAT IAS NRX SERRE Een d 2 sesso 3 2 1 VES NUON aascodaape dede DE C M WU Rule a RUPEE EIU 3 2 2 Solare 5 3 ONE a E E AES 8 3 1 Connect the GUI to the EVM 8 3 2 FO MEMOlY HOC eers e E EA 8 3 3 ida dm esi aration 9 3 4 BIG 9 3 5 DRO 10 4
5. 4158 8 os 9 o q a DTE 1 i orj KR NM x FROM MC57xxPSIA AVDD J z o z o z o z o amp iO o LL LL Q a 16 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC SLOU299 December 2010 Submit Documentation Feedback 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS www ti com Board Layouts Bill of Materials and Schematic TO EVM BOARD 0 SDA a 2 lt 5 lt gt ff O Z c O 2 TT TAS1020BPFB 8 H 1 d AOG PIn L O Y 0 ES A NOS PIN LO gs Sy A amp 8 9 ii A S PIN 5 LLI z 5 m 5 8 s lt D 2 SLOU299 December 2010 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 17 Submit Documentation Feedback 2010 Texas Instruments Incorporated vis TEXAS INSTRUMENTS www ti com Board Layouts Bill of Materials and Schematic dads anov 1 AN vc Sn vC S n 9c N dN sAlddS 9 ils bg 3 P 2 dj A9L PINOL A9V PIn L8 4 619 NOL PINGS et WAS OL
6. Channel evaluation module design Self contained protection systems and control pins USB interface Standard 5 data input using optical or coaxial inputs Analog input through analog to digital converter Subwoofer connection the PWM terminal provides the PWM signal and power to an external subwoofer board Double sided plated through PCB 10z copper 2mm Access to control signal gain and data format through EVM software GUI 2 Installation This section describes the EVM and software installation 2 1 EVM Installation Optical SPDIF Input 5V Supply for System Power Coaxial SPDIF Input Analog In to ADC USB Port Speaker OutA amp B Speaker Out PBTL Speaker Out C amp D Figure 3 General Connection Picture The following are the basic tools for the initial EVM power up 5V 1A power supply VIN 8 26V 4A power supply PVDD Banana plug test leads for power supplies and speakers Optical or coaxial cable for SPDIF interface based on signal source USB cable EVM software Two 80 speakers or loads The following sections describe the TAS5727EVM board in regards to power supply PSU and system interfaces SLOU299 December 2010 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 3 Submit Documentation Feedback 2010 Texas Instruments Incorporated Installation 2 1 1 Connecting the TAS5727EVM to MC57xxPSIA TEXAS INSTRUMENTS www ti com On the right
7. NON dldds i WOds og eg 5 1 90v QN5V 7 9 g 9045 1100 e 2 LNIGS 24 90 1700 amp 5 7 ge g 3 equvos OL XINO NOILV YIV A3 SONIH33NION3 A9V PInLO O SLAdNI cwn XVIN SWAT NIY NIT LAO XVI SWIAL NIS ND T NI NO SALON HOLO3NNOO 19 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC SLOU299 December 2010 Submit Documentation Feedback 2010 Texas Instruments Incorporated EVALUATION BOARD KIT IMPORTANT NOTICE Texas Instruments TI provides the enclosed product s under the following conditions This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use Persons handling the product s must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end p
8. A D with clip leads or cables can be made with female connectors JST VHR 2N that can mate to male connectors on the EVM board 4 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 2010 Texas Instruments Incorporated SLOU299 December 2010 Submit Documentation Feedback TEXAS INSTRUMENTS www ti com Installation OUTA OUT B Figure 5 BTL Connection 2 1 4 USB Interface The TAS5727 registers are accessed through bus lines SDA and SCL The USB circuit and USB connector on the MC57xxPSIA board facilitates the connection between a host computer and the device The EVM USB circuit is powered by the 5V USB line of the host PC and is independent of the power supplies available on the board The USB device that is used is a TAS1020B from Texas Instruments 2 1 5 Digital Audio Interface SPDIF The Digital Audio Interface SPDIF RCA OPTO accepts digital audio data using the I S protocol See the TAS5727 data sheet for more information The RCA connector and the OPTO connector are the two SPDIF interfaces on the MC57xxPSIA board The switch S3 toggles between the OPTO and RCA connector to accommodate the signal source When the RCA cable or optical cable is connected and the signal source is powered up verify that the SPDIF lock indicator blue LED5 illuminates confirming that a viable signal is available to the device Install a jumper on JP4 across the middle pin and the pin marked SPDIF to connect the d
9. Jumpers and Control Utilities on MC57xxPSIA board 2 7 22 2772 2 222 13 4 1 HOA VOPTIGALULBTIDBIS accepi iive ea Desa ute 13 4 2 SILE S Ic TETTE T TT TET PTT 13 4 3 Eze IS 13 5 Board Layouts Bill of Materials and Schematic Genie 14 5 1 TAS5727EVM and MC57xxPSIA Board Layouts 14 5 2 aus ione e qub E dran ee aS ca Ie dup a e E coa a 15 5 3 LI 16 1 TAS5727EVM Printed Circuit Board RI IRA QUERER EUER DE 2 2 Complete System and EVM Signal Path Overview 44 1 1 2 2 2 2 0 2 2 2 2 3 General CO 3 4 Connecting TASS727 Bb VM TO NCS 7XxXP SIA sea nieve 4 5 By LSC UO FUN MM 5 6 Process SMUGIT T TERT i heen re a TEM 7 7 Man GUL IDIS Olay ERE EET 8 8 mc 8 9 ON Ol 9 10 COE E 0o 9 11 Oa
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11. can also be adjusted To set these rates first click on the UPPERBAND or LOWERBAND block Second set the RateSliders property to On for that block Third double click on the block to bring up an advanced DRC options window as shown in Figure 13 8224 mE PWM_ Switch Rate Eu T Properties 2 Interface FC 040 Coef PC Interface Coef PC Interface Coef E Runtime Properties All Rates UPPERBAND Fine Tune Threshold Ox0O0D480000 Threshold Rate ReleaseThre OxO9S09FFFF Softening Filter Release SofteningF ilt 070000 SofteningFilt Ox 7FOO00 Attack x0100 3C 31 0 Release OxFFFFFFFO Writing to Addr FFFFFFFO In Hex In Hex 10 922 66 In ms FC Interface 1 aeand ae Figure 13 Advanced DRC Options PBTL Mode To run the device in PBTL Mode the PBTL pin must be driven high Then in the GUI select woofer instead of stereo stereo is the default value The source for PBTL is selected as L R 2 but that be changed by updating input mixer values SLOU299 December 2010 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 11 Submit Documentation Feedback 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS Using the EVM Software www ti com 3 5 1 MODULATION SCHEMES Using The FAULT PIN As An Error Indicator The A SEL FAULTZ pin is the device address select by default To re define this pin as an output wr
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13. 0V then ramp it up to 20V to verify cable connections 2 2 Software Installation Download the TAS57x UI from the TI Web site The TI Web site always has the latest release and any updates to versions of the GUI SLOU299 December 2010 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 5 Submit Documentation Feedback 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS Installation www ti com Execute the GUI install program Setup exe Once the program is installed the program group and shortcut icon is created in Start Program Texas Instruments Inc TAS57x UI The GUI launches as shown in Figure 7 TAS5717 tab opens when the GUI starts Select Devices TAS57XX TAS5727 to open the TAS5727 tab This tab has two subwindows One shows the Process Flow window From the Process Flow window each of the signal processing function tools can be selected by clicking on it The Biquad GUI and the DRC GUI can be opened by right clicking This window also shows Input select Mode select Channel and Master Volume All functions are shown in the same order as in the device The other subwindow the Properties window has the properties that a user can update by selecting from the available options The properties available depend on the device selected 6 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC SLOU299 December 2010 Submit Documentation Feedback 2010 Texas Instruments I
14. S CAPACITORS GRM1885C1H331JA01D 4 C25 C26 C27 490 1439 1 CAP SMD0603 CERM 330PFD 50V 5 COG ROHS DIGI KEY MURATA C28 GRM188R71H222KA01D 1 C9 490 1500 1 CAP SMD0603 CERM 2200PFD 50V 10 X7R ROHS DIGI KEY MURATA GRM188R71H472KA01D 2 C6 8 490 1506 1 CAP SMD0603 CERM 4700PFD 50V 10 X7R ROHS DIGI KEY MURATA GRM188R71H333KA61D C10 C14 C18 490 3286 1 CAP SMD0603 CERM 0 033UFD 50V 10 X7R ROHS DIGI KEY MURATA C20 GRM188R71C473KA01D 2 5 C7 490 1529 1 CAP SMD0603 CERM 0 047UFD 16V 10 ROHS DIGI KEY MURATA C0603C104K8RACTU 4 C2 C4 C11 C12 399 1095 1 CAP SMD0603 CERM 0 1UFD 10V 5 X7R ROHS DIGI KEY KEMET GRM188R71H104KA93D 2 C15 C22 490 1519 1 CAP SMD0603 CERM 0 1UFD 50V 10 X7R ROHS DIGI KEY MURATA TMK107BJ105KA 1 C13 587 1248 1 CAP SMD0603 CERM 1 0UFD 25V 10 X5R ROHS DIGI KEY TAIYO YUDEN C1206C684K5RACTU C19 C21 C29 445 4013 1 CAP SMD1206 CERM 0 68UFD 50V 10 X7R ROHS DIGI KEY TDK C30 C1608X5R0J475M 1 C3 445 1417 1 CAP SMD603 CERM 4 7UFD 6 3V 2096 X5R ROHS DIGI KEY TDK EEE1CA100SR 1 C1 PCE3878CT CAP SMD ELECT 10ufd 16V 20 VS B ROHS DIGI KEY PANASONIC TMK316B7106KL TD 4 C16 C17 C23 587 2399 1 CAP SMD1206 CERM 10UFD 25V 10 X7R ROHS DIGI KEY TAIYO YUDEN C24 RESISTORS ERJ 3GEYOROOV 1 PO 0GCT RESISTOR SMD0603 0 0 OHM 5 THICK FILM 1 10W DIGI KEY PANASONIC ROHS ERJ 3GEYJ180V R10 R11 R12 P18GCT RESISTOR SMD0603 18 OHMS 5 1 10W ROHS DIGI KEY PANASONIC R13 ERJ 3GEYJ471V R7 R8 P470GCT RESIS
15. TOR SMD0603 470 OHMS 5 1 10W ROHS DIGI KEY PANASONIC ERJ 3EKF1002V R4 R6 R9 P10 0KHCT RESISTOR SMD0603 10 0K 196 THICK FILM 1 10W ROHS DIGI KEY PANASONIC 3 RMCFO60SFT15KO0 2 R2 RMCF0603FT15K RESISTOR SMD0603 15 0K OHMS 1 1 10W ROHS DIGI KEY STACKPOLE OCT ELECTRONICS RC0603FR 0718K2L 1 R5 311 18 2KHRCT RESISTOR SMD0603 THICK FILM 18 2K 1 1 10W ROHS DIGI KEY YAGEO INDUCTORS DG6045C 150M 4 L1 L2 L3 L4 DG6045C 150M INDUCTOR SMT 15uH X XA X X mOHMS 20 DG6045C TOKO JAPAN TOKO JAPAN ROHS HEADERS AND JACKS PBCO2SAAN 1 JP1 1011E 02 HEADER THRU MALE 2 PIN 100LS GOLD ROHS DIGI KEY SULLINS PBCO9DAAN 1 J1 2011E 09 HEADER THRU MALE 2X9 100LS GOLD ROHS DIGI KEY SULLINS B2PS VH LF SN 3 OUT OUTAB 455 1648 JACK JST VH RA 2 PIN 3 96mmLS ROHS DIGI KEY JST OUTCD SHUNTS SPCO2SYAN 1 JP1 2 3 9001 SHUNT BLACK AU FLASH 0 100LS DIGI KEY SULLINS STANDOFFS HARDWARE WIRE PMS 440 0025 PH 4 40 SCREW STEEL 0 250 IN DIGI KEY BUILDING FASTENERS 2029 STANDOF 4 40 0 7 3 16IN DIA ALUM RND F F DIGI KEY KEYSTONE ELECTRONICS JP1 C2040V 100 WIRE GRAY STRANDED 20AWG 20mm LENGTH ROHS DIGI KEY GENERAL CABLE 2 Component Count 1 2040 100 SLOU299 December 2010 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 15 Submit Documentation Feedback 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS Board Layouts Bill of Materials and Schematic www ti com
16. bit technology The TAS5727 has additional audio processing features like 3D Bass Boost and 2 band DRC The EVM software with its graphic user interface GUI facilitates evaluation by providing access to the TAS5727EVM registers through a USB port See the Using the EVM Software section for further details o C18 tw Li Ce C24 Wr e 8 25 26 LAIT Lr ne cs EF R11 OUTAB e 21 P wirt e c C29 f C LIT le AES R 2t Nt aw INSTRUMENTS c 3 d cis C28iims e EE 099 e TAS5 T2 EVM waci4 L4 tes 6517621 RevA p aci8 Figure 1 TAS5727EVM Printed Circuit Board The EVM together with other components on this board is a complete 2 0 channel digital audio amplifier system The MC57XXPSIA Controller board includes a USB interface a digital input SPDIF analog inputs via the ADC power inputs and other features like a mute function and power down MC57xxPSIA TAS5727 EVM Left Right TAS5727 2CH Analog Input From Other Source PBIL Digital Out Figure 2 Complete System and EVM Signal Path Overview 2 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC SLOU299 December 2010 Submit Documentation Feedback 2010 Texas Instruments Incorporated TEXAS www ti com INSTRUMENTS Installation 1 1 TAS5727EVM and MC57xxPSIA Features
17. ge of 0 5V to the output voltage range of 26Vp p 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 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 TI field representative During normal operation some circuit components may have case temperatures greater than 85 C The EVM is designed to operate properly with certain components above 85 C as long as the input and output ranges are maintained 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 2008 2009 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries reserve the right to make corrections modificati
18. igital source to SDIN1 Install a jumper on JP5 to connect the digital source to SDIN2 For detailed information on how the data and clocks are provided to the TAS5727 see the schematic appearing at the end of this document and the DIR9001 device data sheet SLES198 2 1 6 ADC Interface In the absence of a digital signal source the PCM1808 ADC can be used to convert an analog audio signal to a digital signal to the TAS5727 The DIR9001 still provides clock signals to the ADC in this process A 12MHz crystal is installed on the MC57xxPSIA board The ADC is an additional feature of this board to provide flexibility in sourcing an audio signal to the TAS5727 Review the PCM1808 data sheet SLES177 for a detailed description of the ADC on this EVM Install the jumper on JP4 across the middle pin and the pin marked ADC to select ADC as the source for SDIN1 2 1 7 Board Power Up General Guidelines Connect theMC57xxPSIA and the TAS5727EVM boards by locating pin 1 on each board indicated by a small white triangle TheMC57xx plugs down onto the TAS5727EVM board i e the TAS5727EVM board fits underneath the MC57xxPSIA board Pin 1 on each board must be connected to each other Install the EVM software on the PC before powering up the board After connecting the loudspeakers or other loads power supplies and the data line power up the 5V power supply first then power up the PVDD power supply It is recommended initially to set the PVDD level to 1
19. ite 1 to bit D1 of reg 0X05 Once re programmed as output this pin indicates a fault condition Output will go low for Overcurrent OC or undervoltage UVP error or overtemperature error OTE or overvoltage error Common Configurations 1 2 x BTL BD Mode 2 2 x BTL AD Mode Note AD AD Modulation Outputs are 180 out of phase BD BD Modulation BTL Bridge Tied Load 3 5 1 1 2 BD BD mode Set up the hardware Select the Input MUX from GDE In the Properties window select BD Mode GDE Target Connect Finally uncheck the shutdown box to bring the device out of Shutdown mode and adjust the Master Volume as desired WD 3 5 1 2 2X BTL AD Default AD mode Set up the hardware Select the Input MUX from GDE In the Properties window select AD Mode GDE Target gt Connect Finally uncheck the shutdown box to bring the device out of Shutdown mode and adjust the Master Volume as desired po 12 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC SLOU299 December 2010 Submit Documentation Feedback 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS www ti com Jumpers and Control Utilities on MC57xxPSIA board 4 Jumpers and Control Utilities on MC57xxPSIA board 41 RCA OPTICAL Jumpers Select the jumper to reflect the source whether it is RCA or OPTICAL 42 Switches JP1 on the daughter card is for PBTL select Jumper IN means non PBTL mode For PBTL remove this j
20. ncorporated TEXAS INSTRUMENTS www ti com Installation 24 4 B0321 11 CN CN 2 a 32 32 I C 0x6B 32Bit Left Level I C 0x6C 32 Bit Right Level l C 56 VDISTA 0x51 1 LLI gt lt O 844 D uc c gt 2 Subaddress in Red AGL 2BQ 2BQ Figure 6 Process Structure SLOU299 December 2010 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 7 Submit Documentation Feedback 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS Using the EVM Software www ti com AA E Configuration CurrentDevi TAS5727 PWM Switch Rate DRCBand TwoBandDRC Mode Stereo ICD1 0x77 ICD2 0 7 ICD3 Ox77 ICD4 Ox 7F Speaker aJ TAS5727 X PEQ Two Band DRC Crossover ChiVol2 ShutDown PWMLevelMeter TAS5727EVM Master Figure 7 Main GUI Display 3 Using the EVM Software 3 1 Connect the GUI to the EVM Open the GUI by clicking Start All Programs Texas Instruments Inc TAS57x TAS57x GUI Connect the MC57xxPSIA board attached to the TAS5717EVM to your PC with a USB cable In the Properties window select 1 band or 2 band DRC and select Stereo or Woofer Stereo is selected for BTL and Woofer is selected for PBTL Mode The master volume is muted by default Select the master volume block Type the required volume in the Properties window Connect the GUI
21. ons Products Applications Amplifiers amplifier ti com Audio www ti com audio Data Converters dataconverter ti com Automotive www ti com automotive DLP Products www dlp com Communications and www ti com communications Telecom 2 DSP dsp ti com Computers and www ti com computers Peripherals Clocks and Timers www ti com clocks Consumer Electronics www ti com consumer apps Interface interface ti com Energy www ti com energy Logic logic ti com Industrial www ti com industrial Power Mgmt power ti com Medical www ti com medical Microcontrollers microcontroller ti com Security www ti com security RFID www ti rfid com Space Avionics amp www ti com space avionics defense Defense and ZigBee Solutions www ti com lprf Video and Imaging www ti com video Wireless www ti com wireless apps Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2010 Texas Instruments Incorporated
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23. r Figure 9 Volume Control 3 4 Biquad GUI Using the left mouse button select the PEQ block In the Properties window change BiQuadSrc to BIQUAD GUI Then double click on the PEQ block as shown in Figure 10 The Biquad GUI window will pop up Figure 11 T Propenies Ica 2 9321 PWM_Switch_Rate E PC Properties Interface IC 0x27 Coef Interface 0 28 Coef Interface 0 29 Coef Interface 2 Coef Interface IAC 0x2B Coef Interface FAC 0x2C Coef Interface FC 0x2D Coef Interface FC 0x2E Coef Interface PFC 0x2F Coef E Runtime Properties All Rates BIQUAD GUI SDIN1 Two Band DRC TO DO Crossover PWMSplit Speaker ChiVol2 ShutDown PWMLevelMeter TAS5727EVM Master Figure 10 Selecting Biquad GUI SLOU299 December 2010 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 9 Submit Documentation Feedback 2010 Texas Instruments Incorporated Using the EVM Software ES Biquad GUI S Frequency Response 1000 ees fone es 5 TEXAS INSTRUMENTS www ti com High Pass Butterworth 1 v S 200 AllPass v lt AllPass v S AllPass v S AllPass v lt AllPass v lt AllPass lt lt 1000 10000 100000 Freq
24. r product design software performance or infringement of patents or services described herein Please read the User s Guide and specifically the Warnings and Restrictions notice in the User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For additional information on Tl s environmental and or safety programs please contact the application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of covering or relating to any machine process combination in which such TI products or services might be or are used FCC Warning This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to 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 EVM WARNINGS AND RESTRICTIONS It is important to operate this EVM within the input voltage ran
25. roducts that incorporate such semiconductor components or circuit boards This evaluation board kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility restricted substances RoHS recycling WEEE FCC CE or UL and therefore may not meet the technical requirements of these directives or other related directives Should this evaluation board kit not meet the specifications indicated in the User s Guide the board kit may be returned within 30 days from the date of delivery for a full retund 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 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 custome
26. side of the MC57xxPSIA is a terminal block and another on the left of the TAS5727EVM labeled J1 Carefully place the MC57xxPSIA block above the TAS5727EVM block and gently push down ae 212 Figure 4 Connecting TAS5727EVM MC57xxPSIA 2 1 2 PSU Interface The TAS5727EVM is powered by two power supplies connected to the MC57xxPSIA controller board a 5V power supply VIN and a 8V to 26V power supply The 3 3V level is generated from the 5V supply by an on board voltage regulator NOTE The power supply cable length must be minimized Increasing the length of the PSU cable increases the distortion of the amplifier at high output levels and low frequencies The maximum output stage supply voltage depends on the speaker load resistance See the recommended maximum supply voltage in the TAS5727EVM data sheet Table 1 Recommended Power Supplies System power supply 5V Output power stage supply 8 26 9 The rated current corresponds to two channels full scale 2 1 3 Loudspeaker Connectors Current Recommendations 1A 4A CAUTION e g through an oscilloscope ground All speaker outputs are biased at Vcc 2 and must not be connected to ground Loudspeaker connections vary by device setup When connecting a speaker in BTL mode connect the speaker s two terminals and or C and D across two outputs on the TAS5727EVM Speakers or loads can be connected to the outputs
27. to the EVM hardware by clicking Target Connect This sends the initialization commands to the device Un check Shutdown and Mute At this time if connected properly audio plays through the device When the Connect command is issued if an error appears indicating a USB problem check the connections and press the USB RESET button on the controller board Then disconnect and re connect from the Target menu 3 2 Memory Tool This tool can be opened from GDE Tools Memory Tool or independent of GDE from Start Program Texas Instruments Inc Memory Tool Select as shown in Figure 8 Memory Tool Peek Pake FC Read Write Address 00 00 00 00 00 89 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Write Execute 2C Command File AC command file D Read Successful Figure 8 Memory Tool Window 8 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC SLOU299 December 2010 Submit Documentation Feedback 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS www ti com Using the EVM Software registers can be written or read using this tool The command file can be sent by selecting the command file and Execute command 3 3 Volume Function The Individual and Master volume can be selected and the required volume value can be entered in the Properties window after selecting the function with the mouse see Figure 9 Chivoll ChiVol2 Maste
28. uency Hz 1 0 2 High Pass 100 1000 10000 100000 Frequency Hz 2 High Pass 1 EQ Figure 11 Biquad GUI Window A check mark selects the Biquad If not selected the Biquad is in ALL PASS Mode The frequency response and phase response plots for the current settings can be viewed and adjusted in the Frequency Response and Phase Response panes of the Biquad GUI as shown in Figure 11 The individual Biquad gains must be within 12db Clicking the Apply amp Draw button sends all three banks of coefficients to the Frequency Response and Phase response plots providing auto bank is enabled 3 5 DRC GUI The TAS5727 supports 1 band and 2 band DRC Select one of the DRC modes from the Properties window Then set the DRC threshold for each band by double clicking the UPPERBAND or LOWERBAND block and adjusting the sliders as shown in Figure 12 10 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 2010 Texas Instruments Incorporated SLOU299 December 2010 Submit Documentation Feedback TEXAS INSTRUMENTS www ti com Using the EVM Software UPPERBAND Fine Tune Threshold In Hex Figure 12 DRC Options The crossover frequency for the 2 band DRC by default is 300Hz This can be modified by entering a new value in the property window The DRC rates for the softening filter attack and release
29. umper Reset is an active low function Pressing the master reset switch S2 resets the TAS5727 device USB RESET 51 resets the USB bus Pressing PDNZ S4 powers down the TAS5727 and pressing MUTE S5 mutes volume mute the TAS5727 4 3 LED Indicators LED1 USB Power connector installed at J1 LED 3 3V Power is valid LED3 RCA connection made LED4 Optical connection made LED5 SPDIF signal locked LED6 FAULT This LED should be ignored until FAULT is programmed to be an output via write to reg 0X05 LED7 PDN switch S4 is pressed closed SLOU299 December 2010 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC 13 Submit Documentation Feedback 2010 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS Board Layouts Bill of Materials and Schematic www ti com 5 Board Layouts Bill of Materials and Schematic 5 1 TAS5727EVM and MC57xxPSIA Board Layouts r TR NX m faa TTE m m NO Tora Figure 15 MC57xxPSIA Top Composite Assembly 14 TAS5727 25W Digital Input Amplifier with EQ and 2 Band DRC SLOU299 December 2010 Submit Documentation Feedback 2010 Texas Instruments Incorporated TEXAS INSTRUMENTS www ti com Board Layouts Bill of Materials and Schematic 5 2 Bill of Materials Table 2 Bill of Materials for TAS5727EVM TI SEMICONDUCTORS TAS5727PHP 1 U1 TAS5727PHP 20W DIGAMP WITH DAP HTQFP48 PHP ROHS TEXAS TEXAS INSTRUMENTS INSTRUMENT
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