Texas Instruments TPA6030A4 User's Manual
Contents
1. R1 lt T m 88 Bg 8 Signal Conditioning 5 Q 8 6 e oF 8 3 o Output 9 8 C AUTION Do not insert or remoy EVM boards with power applied 4 m x Headphone Output Plug N Play Audio Amplifier Evaluation Platform SLOP097 Rev C 1 SLNAWNYLSNI Quick Start 2 3 Quick Start List for Platform 2 2 Quick Start List for Platform Follow these steps when using the TPA6030A4EVM with the TI Plug N Play audio amplifier evaluation platform see the platform user s guide SLOU011 for additional details Numbered callouts for selected steps are shown in Figure 2 1 and Figure 2 2 Note The TI Plug N Play platform sends the input signal to both the HP and LINE inputs automatically and only to the positive inputs To fully take advantage of the TPA6030A4 differential input as well as the input mode selectable mux the EVM should be used in a stand alone fashion Platform Preparations 1 Ensurethatall external power sources are setto OFF and that the platform power switch S1 is set to OFF 2 Installa TPA6030A4 module in platform socket U2 taking care to align the module pins correctly 3 Use switch S2 to select or bypass the signal conditioning EVM U1 4 Setjumper JP6 to select the Mode control input 5 Remove jumper JP5 Table2. 2 N Contents ETE 1 1 1 1 Feature Highlights sce IRE 1 2 1 2 Description nura sp queas d baia i 1 3 1 3 TPA6030A4EVM 1 3 1 4 Special Notes Regarding the Data Sheet 1 4 Quick Start le ha elei lI LAE IL 2 1 2 1 PPrecautios a someter RUN a iq dd uiu eR EE 2 3 2 2 Quick Start List for Platform e Rr 2 4 2 3 Quick Start List for Stand Alone 2 6 higiene 3 1 3 1 TPA6030A4EVM Layout and Schematic 3 2 3 2 6030 4 Audio Power Amplifier Evaluation Module Parts List 3 4 3 9 Volume a aU AE ER Rd 3 5 Figures The TI TPA6030A4 Audio Amplifier Evaluation Module 1 3 Quick Start Platform Map 2 3 Module Preparation 2 5 QuickStart Module Map see Maske Mix be fue dep eee andes 2 6 TPA6030A4EVM Connected for Stereo Bridge Tied Load BTL Output 2 8 TPA6030A4EVM Connected for Stereo Single Ended SE Output
3. 2 8 TPA6030A4EVM Top Layer 3 2 TPA6030A4EVM Bottom Layer 3 2 TPA6030A4EVM Schematic 3 3 vii Tables 1 P PPY RB N viii Typical TI Plug N Play Platform Jumper and Switch Settings for the TPA6030A4 2 2 Typical TPA6030A4EVM Jumper Settings 2 2 Platform Jumper and Switch Settings for the 6 0 0 4 2 4 Typical TPA6030A4EVM Jumper Settings for BTL Stand Alone 2 8 Typical TPA6030A4EVM Jumper Settings for SE Stand Alone 2 8 6030 4 Parts 3 4 Volume Control Vcc 12 V No Load SEDIFF 0 V SEMAX 5VREF 3 5 Chapter 1 Introduction This chapter provides an overview of the Texas Instruments TI TPA6030A4 audio amplifier evaluation module SLOP365 It includes a list of EVM features a brief illustrated description of the module and a list of EVM specifications Topic Page did Feature Highlights 21212107 5 0 00077 0 1 1 E 1 2 12222466 11222722 eU 1 3 1 3 6030 4 Specifications 1 3 1 4 Special Notes Regarding the Data Sheet 1 4 Feature Highlights
4. Left and right RCA phono jack outputs Left and right compression speaker terminal outputs Miniature stereo headphone jack output Introduction 1 2 Description Description The TPA6030A4 stereo 3 W audio power amplifier evaluation module is designed to demonstrate all of the different features and benefits of the TPA6030A4 amplifier It consists of the TI TPA6030A4 stereo 3 W audio power amplifier IC along with a small number of other parts mounted on a circuit board that measures approximately 2 1 4 inches by 1 1 2 inches Figure 1 1 Figure 1 1 The TI TPA6030A4 Audio Amplifier Evaluation Module ROUT GND Rour 15 R4HP LNE SE BT J2 5 NEC 55 youre EN 51 on 1 56 COME N SHUTDOWN LHP L one TEXAS LOUT INSTRUMENTS MI 1 LOUT e TPA6030A4 EVM Board SLOP365 GND VCC 5V to 15V Single in line header pins extend from the underside of the module circuit board to allow the EVM to be plugged into the TI Plug N Play audio amplifier evaluation platform or to be wired directly into existing circuits and equipment when used stand alone The platform has room for a single TPA6030A4 evaluation module and is convenient vehicle for demonstrating Tl s audio power amplifier and related evaluation modules The EVM simply plugs into the platform which automatically provides power to the modules interconnects them correctly and conne
5. etie ere 2 3 2 02 Quick Start Liston Platform 222222222227 eee 2 4 2 3 Quick Start List for 2 6 2 1 Table 2 1 Typical TI Plug N Play Platform Jumper and Switch Settings for the TPA6030A4 EVM JP5 JP6 JP7 JP8 S2 S3 P N P Platform OFF Mode X X Note 4 X Notes 1 X Don t care 3 OFF Open 4 Set S2to ON when signal conditioning board is installed in U1 set 52 to OFF when no signal conditioning board is installed 2 ON Shunt installed Table 2 2 Typical TPA6030A4EVM Jumper Settings EVM Mode J1 J2 J3 Sk BTL OFF X OFF 5 OFF Notes 1 ON Shunt installed 2 OFF Open 3 X Don t care 2 2 Quick Start Precautions 2 1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity and voltage of the external power connected to Vcc power input connector J1 J2 and or Vpp power input connector J6 are correct Overvoltage or reverse polarity power applied to these terminals can open onboard soldered in fuses and cause other damage to the platform installed evaluation modules and or the power source Inserting or Removing EVM Boards Do not insert or remove EVM boards with power applied damage to the EVM board the platform or both may result Figure 2 1 Quick Start Platform Map DC Power In Out
6. followed to quickly prepare the TPA6030A4 audio amplifier EVM for use Using the TPA6030A4 with the TI Plug N Play audio amplifier evaluation platform is a quick and easy way to connect power signal and control inputs and signal outputs to the EVM using standard connectors However the audio amplifier evaluation module can be used stand alone by making connections directly to the module pins and can be wired directly into existing circuits or equipment The TI Plug N Play platform supplies a 5 V regulated voltage that is designed to allow devices with an SE BTL pin to automatically switch to SE output mode when a headphone is inserted into the headphone jack The SE BTL pin on the TPA6030A4 is designed to switch high when the voltage applied to the pin meets or exceeds 0 8 Vcc requiring a minimum of 5 6 V when the power supply is at 7 V This is more than the platform can supply and consequently the automatic SE BTL toggle feature of the TI Plug N Play platform is not fully compatible with the TPA6030A4EVM However the output mode can be manually changed with the use of J1 on the TPA6030A4EVM see Table 2 2 Refer to the application section of the TPA6030A4 data sheet for more information about building a circuit that automatically switches output modes when a headphone is inserted The jumper and switch settings on the TI Plug N Play platform do not change with different Vcc levels Topic Page 2 12 Precautions su sayashan esie ste
7. 1 1 Feature Highlights The TI TPA6030A4 audio amplifier evaluation module and the TI Plug N Play audio amplifier evaluation platform include the following features 1 TPA6030A4 3 W stereo audio power amplifier evaluation module Fully differential operation and internal depop circuitry to minimize transients in outputs W per channel output power into 16 BTL at Voc 12 V Low current consumption in shutdown mode 1 uA Internal input mux selects among two sets of stereo inputs Stereo bridge tied load BTL or single ended SE operation DC voltage volume control from 36 dB to 40 dB and a 80 dB mute SE gain adjustable from 30 dB to 46 dB and a 86 dB mute Quick and easy configuration with the TI Plug N Play audio amplifier eval uation platform Evaluation module is designed to simply plug into the platform automatically making all signal and power connections Platform provides flexible power options Jumpers on the platform select power and module control options Switches on the platform route signals Platform provides quick and easy audio input and output connections Platform power options External 5 V to 15 V dc Vcc supply inputs External regulated Vpp supply input Socket for onboard 5 V 3 3 V Vpp voltage regulator EVM Onboard overvoltage and reverse polarity power protection Platform audio input and output connections Left and right RCA phono jack inputs Miniature stereo phone jack input
8. 2 3 Platform Jumper and Switch Settings for the TPA6030A4 2 4 EVM JP5 JP6 JP7 JP8 S2 S3 P N P Platform Off Mode X Hi Note 4 X Notes 1 X Don t care 2 ON Shunt installed 3 4 OFF Open Set S2 to ONwhen signal conditioning board is installed in U1 set S2 to OFF when no signal conditioning board is installed Power Supply 6 Select and connect an external regulated power supply ensure power supply is turned OFF set from 7 V to 15 V to platform Voc power input connector J1 taking care to observe marked polarity Jumper the appropriate power input Inputs and Outputs 7 Ensure that the audio signal source level is set to minimum 8 Connect the audio source to left and right RCA phono jacks 43 and 45 or stereo miniature phone jack J4 9 Connect speakers to left and right RCA jacks J7 and 49 or to stripped wire speaker connectors J8 Quick Start Quick Start List for Platform Evaluation Module Preparations Figure 2 2 Module Preparation 5 voum 51 of EERS Hr cas N SHUTDOWN LHP one TEXAS LouT e cues INSTRUMENTS MI 2901 LOUT EVM Board 5102365 0 06 10 The SE jumper J1 is used to select between the two output modes SE and BTL To allow the module SE BTL control input to force the amplifier IC into a BTL output mode set output mode jumper J1 to OFF To keep the module amplifier IC in
9. 49 5 INSTRUMENTS TPA6030A4 Audio Power Amplifier Evaluation Module User s Guide November 2002 Mixed Signal Products SLOU113A IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries Tl 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 TI 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 TI 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 TI components To minimize the risks associated with customer products and applications customers should provide adequate design and operating safeguards does not warrant or represent that any license either express or implied is granted under any TI pate
10. INSTRUME GND 2001 LOUT Q 3 2 Reference TPA6030A4EVM Layout and Schematic Figure 3 3 TPA6030A4EVM Schematic 1nol 1no1 d QNS QNS 994 A 0 4 TOA GLO TOA 341035 8L 2 NMOGLNHS ANN dH p LS NMOGLAHS 118 35 1nos en 35 4 3ND dH 718 35 equ 85 4 8 QNO 338 99 341095 zNIH SINMIOA ZNIH NMOGLOHS INI ZNI INIH 118 35 QN5 5 1nou 1nog dMdvVvOro9vdL nos eure 82 NEA ene NEA 372378 jue 1729 sare 12 2721 dH1 dH1 3NIT1 3NITI 3NI13 3NITH 3 3 Reference TPA6030A4 Audio Power Amplifier Evaluation Module Parts List 3 2 TPA6030A4 Audio Power Amplifier Evaluation Module Parts List Table 3 1 TPA6030A4EVM Parts List Manufacturer Distributor s Reference Description Size Qty Part Number Number C9 C11 C12 Capacitor 1 uF 0805 4 Panasonic Digi Key C15 80 20 nonpolarized ECJ 2VF1C105Z PCC1849TR ND 16V C1 C2 C3 Capacitor 0 47 uF 0805 8 Panasonic Digi Key C4 C5 C6 80 20 non
11. OWN Audio L LINE TEXAS Input L LINE INSTRUMENTS MI Left 2001 Power Supply Table 2 4 Typical TPA6030A4EVM Jumper Settings for BTL Stand Alone EVM J1 J2 J3 TPA6030A4 OFF OFF OFF Note ON Shunt installed OFF Open Figure 2 5 TPA6030A4EVM Connected for Stereo Single Ended SE Output R2 Audio R HP 9 g ILSE m4uP UNE Input R HP EB 1000 11 e cm J2 RS co V cM vore NE COMMI 90 Comm cM of NN 33 uF Audio L HP ceo MI SHUTDOWN x Lace Input L HP4 T 1000 I Power Supply Table 2 5 Typical TPA6030A4EVM Jumper Settings for SE Stand Alone EVM J1 J2 J3 TPA6030A4 ON ON OFF Note ON Shunt installed OFF Open 2 8 Quick Start Chapter 3 Reference This chapter contains reference information pertaining to the layout and schematic of the TPAG030A4EVM Also included is the volume control table for the TPA6030A4 Topic Page 3 4 TPA6030A4EVM Layout and Schematic 3 1 3 2 TPA6030A4 Audio Power Amplifier Evaluation Module Parts 51772501 1 7 0 000 s OU TU UD OD UG 3 4 3 3 Volume Control zne s S sss 3 5 3 1 TPA6030A4EVM Layout and Schematic 3 4 TPA6030A4EVM Layout and Schematic Figure 1 TPA6030A4 EVM Top Layer i o to15V 8 IEAS SHUTDOWN LOUT J L LINE
12. concerning the input range please contact a TI 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 The EVM is designed to operate properly with certain components above 85 as long as the input and output ranges are maintained These components include but are not limited tolinear 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 2002 Texas Instruments Incorporated Preface Read This First How to Use This Manual This document contains the following chapters Chapter 1 Introduction Chapter 2 Quick Start Chapter 3 Reference Information About Cautions and Warnings This book may contain cautions and warnings This is an example of a caution state
13. cts them to a versatile array of standard audio input and output jacks and connectors Easy to use configuration controls allow the platform and EVMs to quickly model many possible end equipment configurations There is nothing to build nothing to solder and nothing but the speakers included with the platform to hook up 1 3 TPA6030A4EVM Specifications Supply voltage range 7Vto 15V Supply current IDD 2 Continuous output power per channel Po 16 0 BTL 12 V 3W Audio input voltage Vj Voc 0 3 V LINE input Vcc 0 3 V Minimum load impedance 801 T Vec 7 V is recommended for this load Introduction 1 3 Special Notes Regarding the Data Sheet 1 4 Special Notes Regarding the Data Sheet The TPA6036A4EVM may have markings not consistent with the data sheet Some EVMs have an incorrect supply voltage marked on them The correct supply range is 7 V to 15 V not 5 V to 15 V The EVM and this user s guide refer to the two input pins as HP and LINE and refer to the control pin as HP LINE The data sheet refers to the two inputs as IN2 and IN1 respectively and the control pin as IN2 IN1 See the data sheet for the correct voltages and pin names Introduction Chapter 2 Quick Start The steps in this chapter can be
14. ect output mode a For BTL output connect a speaker to the module OUT and OUT pins of each channel see Figure 2 4 or b For single ended output connect a headphone or a speaker to the module OUT and GND pins of each channel through a 33 uF to 1000 uF output coupling capacitor Figure 2 5 Quick Start Quick Start List for Stand Alone Evaluation Module Preparations 6 Toforce the EVM into a BTL output mode set jumper J1 to OFF To force the EVM into a SE output mode set jumper J1 to ON 7 Toforcethe EVM into using the LINE inputs set jumper J2 to OFF To force the EVM into using HP inputs set jumper J2 to ON Control Inputs 8 To allow the amplifier IC to switch from the LINE inputs to the HP inputs when the output switches from BTL output mode to SE output mode and vice versa set jumper J3 to ON To allow the inputs and output modes to switch independently set jumper J3 to OFF Connect control lines to the various module control input pins as needed 9 SE BTL A high voltage applied to this pin selects the SE output mode a low voltage or float on this pin selects the BTL output mode Refer to the TPA6030A4 data sheet for trip level information 10 SHUTDOWN A low voltage applied to this pin shuts down the amplifier IC on the module a high voltage or float on this pin allows normal operation Refer to the TPA6030A4 data sheet for trip level information Power Up 11 Verify correct voltage and i
15. k Start List for Stand Alone 2 3 Quick Start List for Stand Alone Follow these steps to use the TPA6030A4EVM stand alone or when connecting it to existing circuits or equipment Connections to the TPA6030A4 module header pins can be made via individual sockets wire wrapping or soldering to the pins either on the top orthe bottom of the module circuit board Numbered callouts for selected steps are shown in Figure 2 3 Figure 2 3 Quick Start Module Map 2 6 ROUT GND Rour 5 ovre 2 51 Hr cem m SHUTDOWN TEXAS LOUT LuNe INSTRUMENTS ME GND 2001 e o LOUT 6030 4 EVM Board SLOP365 GND VCC SV to 15V Power Supply Ensure that all external power sources are set to OFF Connect an external regulated power supply set from 7 V to 15 V to the module Vcc and GND pins taking care to observe marked polarity Inputs and Outputs Ensure that audio signal source level adjustments are set to minimum Connect the right or left positive lead of the audio source to the module R or LLINE pins and the negative lead to the R LINE or L LINE pins If using the headphone inputs connect the positive audio source to the module R HP L HP and the negative lead to HP L HP The inputs can be used with a differential or single ended audio source If stereo use is desired connect both right and left inputs to the appropriate sources Sel
16. lowing conditions This evaluation kit being sold by TI 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 Guide the kit may be returned within 30 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 ofthe product itis the user s responsibility to take any and all appropriate precautions with regard to elect
17. ment 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 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 Related Documentation From Texas Instruments FCC Warning vi m T Plug N Play Audio Amplifier Evaluation Platform literature number 5 00011 provides detailed information on the evaluation platform and its use with audio evaluation modules TPA6030A4 3 W Stereo Audio Power Amplifier With Advanced DC Volume Control literature number SLOS395 This is the data sheet for the TPA6030A4 audio amplifier integrated circuit 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 N l 1 gd
18. nput polarity and set the external power supply to ON The EVM should begin operation Volume Control 12 Potentiometer R1 VOLUME sets the BTL volume which can range from 40 dB to 36 dB using 2 53 dB steps Turning the potentiometer clockwise increases the volume turning counterclockwise decreases the volume To mute the volume 80 dB turn the potentiometer R1 as far as it will go in a counterclockwise direction Refer to Table 3 2 in the Reference chapter for a list of the volume levels 13 The SE volume may be set independently using potentiometers R2 SEDIFF and R3 SEMAX SEDIFF set the difference between the BTL volume and the SE volume while SEMAX sets the maximum volume in SE mode 14 Turning potentiometer R2 SEDIFF clockwise decreases the difference between the volumes counterclockwise increases the difference 15 Turning potentiometer R3 SEMAX clockwise increases the maximum SE volume counterclockwise decreases the maximum SE volume For more information on volume control operation see the TPA6030A4 data sheet Quick Start 2 7 Quick Start List for Stand Alone Figure 2 4 TPA6030A4EVM Connected for Stereo Bridge Tied Load BTL Output Audio Input JISE R4HP UNE R Hr m y SE BTL e 200 69 l com M M7 J2 HPE RS 7 comm CMM vyouce External Shut 2 Down Control cem m S1 cM active low HP cem m SHUTD
19. nt right copyright mask work right or other TI 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 TI Reproduction of information in TI 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 TI 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 TI product or service and is an unfair and deceptive business practice TI is not responsible or liable for any such statements Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2002 Texas Instruments Incorporated EVM IMPORTANT NOTICE Texas Instruments TI provides the enclosed product s under the fol
20. polarized ECJ 2VF1C474Z PCC1847TR ND C7 C8 16V C13 C14 Capacitor 10 uF 16 V B 2 Panasonic Digi Key ECS T1CX106R PCS3106TR ND C10 Capacitor 47 nF 0805 1 Murata 80 20 nonpolarized GRM216F51E473ZA01D 25V R4 R5 R6 Resistor 510 kO 1 10 W 0805 3 Panasonic Digi Key ERJ 6GEYJ514 P510KATR ND R1 R2 R3 Potentiometer 100 kO 3 Bourns Digi Key Cermet ST SL thru hole 33362P 1 104 3362P 104 ND 51 Switch momentary SMD 1 Panasonic Digi Key EVQ PJX04M P8050SCT ND J1 J2 J3 Header 2 position 2mm 3 Norcomp Digi Key 2163 2 01 P2 2163S 02 ND Shunts 2mm 2JM G Digi Key SPE1302 ND U1 IC TPA6030A4 audio 28 pin 1 TI amplifier TSSOP TPA6030A4PWP 3 4 Reference Volume Control 3 3 Volume Control Table 3 2 Volume Control Voc 12 V No Load SEDIFF 0 V SEMAX 5VREF Voltage On VOLUME Pin as a Speaker Volume Headphone Volume 9 59 50 6 5 74 Reference 3 5
21. rostatic 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 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 priorto handling the product This notice contains important safety information about temperatures and voltages For further safety concerns please contact the TI 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 TI products or services might be or are used Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2002 Texas Instruments Incorporated EVM WARNINGS AND RESTRICTIONS It is important to operate this EVM within the supply voltage range of 7 V to 15 V Exceeding the specified input range may cause unexpected operation and or irreversible damage to the EVM If there are questions
22. the single ended output mode regardless of the control input state set jumper J1 to ON 11 The HP jumper J2 is used to select between the two input modes HP and LINE To keep the amplifier IC in LINE input mode set J2 to OFF To keep the amplifier IC in the HP input mode set jumper J2 to ON Power Up Platform LED1 should light indicating the presence of Vcc and the evaluation modules installed on the platform should begin operation Volume Control 12 Potentiometer R1 VOLUME sets the BTL volume which can range from 40 dB to 36 dB using 2 53 dB steps Turning the potentiometer clockwise increases the gain turning counterclockwise decreases the gain To mute the volume 80 dB turn the poteniometer R1 as far as it will go in a counterclockwise direction Refer to Table 3 2 in the Reference chapter for a list of the volume levels 13 The SE volume may be set independently using potentiometers R2 SEDIFF and R3 SEMAX SEDIFF set the difference between the BTL volume and the SE volume while SEMAX sets the maximum volume in SE mode 14 Turning potentiometer R2 SEDIFF clockwise decreases the difference between SE and BTL volumes counterclockwise increases the difference 15 Turning potentiometer R3 SEMAX clockwise increases the maximum SE volume counterclockwise decreases the maximum SE volume For more information on volume control operation see the TPA6030A4 data sheet Quick Start 2 5 Quic
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