Texas Instruments TPA6139A2 EVM User's Manual
Contents
1. TPAG139A2EVM Bill Of Materials ona nanus not nian rant ena nnno ntu nun eru Rm 6 ROUT 6520477 RevB ITE 6 51 INSTRUMENTS Figure 1 TPA6139A2 EVM Top View SLOUS308 January 2011 TPA6139A2 EVM 1 Submit Documentation Feedback 2011 Texas Instruments Incorporated TEXAS INSTRUMENTS Description www ti com PtP 23 652 ATE RevB ET Figure 2 TPA6139A2 EVM Bottom View 1 Description The TPA6139A2 is a DirectPath stereo headphone amplifier capable of driving 2 Vrms into a 6000 load and deliver up to 25 mW Ch into 32 with a 3 3V supply The TPA6139A2 is designed using 5 patented DirectPath technology and requires no output DC blocking capacitors The TPA6139A2 EVM is a complete stand alone audio board It contains the TPA6139A2 TSSOP PW DirectPath stereo headphone amplifier All components are Pb free 2 EVM Specifications Table 1 EVM Specifications Supply voltage range 3 0 V to 3 6 V Supply current lbo 130 m A Typical Continuous output power Po Vpp 3 3 V 32 THD N lt 0 03 25bmW 3 Operation This section describes how to operate the TPA6139A2EVM 3 1 Quick Start List for Stand Alone Operation Use the following steps when operating the TPA6139A2EVM stand alone or when connecting the EVM into an existing circuit 3 1 1 Power and Ground 1 Verify that the external power sources are set to O2. Xi TEXAS INSTRUMENTS www ti com Reference TPA6139A2EVM Schematic 4 1 33V POWER SUPPLY IN 3 3V LED1 Green osos 2 Rt E le 330 GND GND GND 33 V c3 1 0ufdit V z ROUT GND ROUT 7 RA HPR oo 0603 DNP c DNP R DNP TVS1 DNP BMAJIODALFCT zm sov 1206 A 2M 0ufe 10V 3 E 0523 GND GND GND c5 1 0ufdri V 9503 6132 2 T880P14 PW L IN 3 0 0623 HPL 52 0503 TVS2 c4 33 50 Doce id 0503 1 0ufd 10V 0603 GND GND 15 GND 2603 GND Figure 3 TPA6139A2EVM Schematic SLOUS308 January 2011 Submit Documentation Feedback TPA6139A2 EVM 4 2011 Texas Instruments Incorporated TEXAS INSTRUMENTS www ti com Reference 42 TPA6139A2EVM PCB Layers e Q B Us eS e m am n Mn Figure 5 Bottom Silkscreen SLOUS308 January 2011 TPA6139A2 EVM 5 Submit Documentation Feedback 2011 Texas Instruments Incorporated TEXAS INSTRUMENTS TPA6139A2EVM Bill of Materials www ti com 5 TPA6139A2EVM Bill of Materials Table 2 TPA6139A2EVM Bill of Materials SMD Qty Reference Description Size Manufacturer Part Number 1 U1 Headphone AMP with 2 Vrms output TSSOP14 PW ROHS 0603 TPA6139A2PW LED1 LED GREEN 2 0V SMD0805 ROHS 0805 LUMEX O
3. 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 products 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 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
4. FF 2 Connect the power supply to the EVM J1 and set the power supply voltage between 3 0 V and 3 6 V 3 1 2 Inputs and Outputs 3 1 2 1 Audio 1 Verify that the audio source is set to the minimum level 2 Connect the audio source to the inputs LIN and RIN 3 Connect a headset or other load to the headphone jack HPOUT 2 TPA6139A2 EVM SLOUS308 January 2011 Submit Documentation Feedback 2011 Texas Instruments Incorporated TEXAS INSTRUMENTS www ti com Reference 3 1 2 2 Shutdown Controls 1 Shutdown is controlled by pushbutton S1 Press and hold S1 to place the TPA6139A2 in shutdown Release S1 to reactivate the TPA6139A2 3 1 3 Gain Setting The gain setting is programmed with the GAIN pin and is latched when the MUTE pin is set high The default gain of the TPA6139A2EVM is set to 3 5dB using a 49 9 kO resistor R2 The gain resistor can be adjusted to achieve a gain range from 0 dB to 20 dB Refer to the datasheet for more details on gain settings 3 1 4 Power Up 1 Verify the correct connections as described in Section 3 1 1 and Section 3 1 2 Verify the correct voltage setting of the power supply and turn ON the power supply Proper operation of the EVM should begin 2 Adjust the audio signal source as needed 4 Reference This section includes the EVM schematic and board layout reference SLOUS08 January 2011 TPA6139A2 EVM 3 Submit Documentation Feedback 2011 Texas Instruments Incorporated
5. PTO SML LXTO805GW TR 2 TVS1 TVS2 TRANSIENT VOLTAGE SUPPRESSION SMA 100V 400W 0603 LITTLEFUSE SMAJ100A ROHS 2 C7 C9 SMD0603 CERM 33PFD 50V 5 NPO ROHS 0603 MURATA GRM1885C1H330JA01D 1 C8 CAP SMD0603 CERM 100PFD 50V 5 NPO ROHS 0603 MURATA GRM1885C1H101JA01D 5 C1 C5 SMD0603 CERM 1 0UFD 10V 10 X5R ROHS 0603 MURATA GRM185R61A105KE36D 1 C6 CAP SMD0805 CERM 10UFD 16V 10 X5R ROHS 0603 MURATA GRM21BR61C106KE15L 2 R4 R6 RESISTOR SMD0603 ZERO OHMS 1 10W ROHS 0603 STACKPOLE ELECTRONICS RMCF0603ZTOROO 1 R1 RESISTOR SMD0603 330 OHMS 5 1 10W ROHS 0603 PANASONIC ERJ 3GEYJ331V 1 R2 RESISTOR SMD0805 49 9K OHMS 1 1 8W THICK FILM 0805 VISHAY CRCWO080549K9FKEA ROHS 3 R3 R8 R9 RESISTOR SMD0603 100K OHM 196 THICK FILM 1 10W 0603 PANASONIC ERJ SEKF1003 ROHS 1 J1 HEADER MALE 2PIN 100LS W FRICTION LOCK ROHS MOLEX 22 23 2021 1 LIN JACK RCA 3 PIN PCB RA BLACK ROHS SWITCHCRAFT PJRAN1X1U01X 1 RIN JACK RCA 3 PIN PCB RA RED ROHS SWITCHCRAFT 1 1003 1 HPOUT JACK MINI STEREO 3 5mm LIME GREEN W SHUNTS KYCON STX 3150 5N 577C ROHS 1 1 SWITCH 160G SMT 4X3MM ROHS E SWITCH TL1015AF160QG Components not assembled C7 C9 R2 R5 R7 TVS1 and TVS2 6 TPA6139A2 EVM SLOUS308 January 2011 Submit Documentation Feedback 2011 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
6. ense 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 655308 Dallas Texas 75265 Copyright O 2011 Texas Instruments Incorporated 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 TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with 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 TI 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 as
7. 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 TI assumes no liability for applications assistance customer 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 TI s environmental and or safety programs please contact the TI application engineer or visit www ti com esh 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 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 bee
8. h use TI products are neither designed nor intended for use in automotive applications or environments unless the specific products are designated by as compliant with ISO TS 16949 requirements Buyers acknowledge and agree that if they use any non designated products in automotive applications TI will not be responsible for any failure to meet such requirements Following are URLs where you can obtain information on other Texas Instruments products and application solutions Products Audio Amplifiers Data Converters DLP Products DSP Clocks and Timers Interface Logic Power Mgmt Microcontrollers RFID RF IF and ZigBee Solutions www ti com audio amplifier ti com dataconverter ti com www dlp com www ti com clocks interface ti com logic ti com power ti com microcontroller ti com www ti rfid com www ti com lprf Applications Communications and Telecom Computers and Peripherals Consumer Electronics Energy and Lighting Industrial Medical Security Space Avionics and Defense Transportation and Automotive Video and Imaging Wireless TI E2E Community Page www ti com communications www ti com computers www ti com consumer apps www ti com energy www ti com industrial www ti com medical www ti com security www ti com space avionics defense www ti com automotive www ti com video www ti com wireless apps Mailing Address Texas Instruments Po
9. j TEXAS INSTRUMENTS User s Guide 5100308 2011 TPA6139A2 EVM This section provides an overview of the Texas Instruments TPA6139A2 DirectPath stereo headphone amplifier evaluation module EVM It includes a brief description of the module and a list of EVM specifications Contents 1 2 2 EVM Specifications Cw 2 3 O 2 3 1 Quick Start List for Stand Alone Operation nennen 2 4 ice 3 4 1 TPAO139A2EVM ScherrialiC s neue tcu 4 4 2 6139 2 DD 5 5 TPAG139A2EVM Materials 6 ennt onn ta nan oun nint a 6 List of Figures 1 6139 2 1 2 IDRAG1IS9A2 EVM Bottom 2 3 2 ss sien tta nans Noa Misa Ux 4 4 legilur 5 5 List of Tables 1 EVM D DLE 2 2
10. n 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 range of 3 0 V to 3 6 V and the output voltage range of 3 0 V to 3 6 V 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 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 have case temperatures greater than 60 C The EVM is designed to operate properly with certain components above 40 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 s
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