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User's Guide

SLOU308 – January 2011

TPA6139A2 EVM

This section provides an overview of the Texas Instruments (TI) TPA6139A2 DirectPath™ stereo
headphone amplifier evaluation module (EVM). It includes a brief description of the module and a list of
EVM specifications.

Contents

1

Description

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2

2

EVM Specifications

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2

3

Operation

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2

3.1

Quick-Start List for Stand-Alone Operation

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2

4

Reference

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3

4.1

TPA6139A2EVM Schematic

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4

4.2

TPA6139A2EVM PCB Layers

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5

5

TPA6139A2EVM Bill of Materials

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6

List of Figures

1

TPA6139A2 EVM Top View

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1

2

TPA6139A2 EVM Bottom View

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2

3

TPA6139A2EVM Schematic

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4

4

Top Silkscreen

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5

5

Bottom Silkscreen

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5

List of Tables

1

EVM Specifications

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2

2

TPA6139A2EVM Bill of Materials

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6

Figure 1. TPA6139A2 EVM Top View

1

SLOU308 – January 2011

TPA6139A2 EVM

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© 2011, Texas Instruments Incorporated

Summary of Contents for TPA6139A2 EVM

Page 1: ...ration 2 3 1 Quick Start List for Stand Alone Operation 2 4 Reference 3 4 1 TPA6139A2EVM Schematic 4 4 2 TPA6139A2EVM PCB Layers 5 5 TPA6139A2EVM Bill of Materials 6 List of Figures 1 TPA6139A2 EVM Top View 1 2 TPA6139A2 EVM Bottom View 2 3 TPA6139A2EVM Schematic 4 4 Top Silkscreen 5 5 Bottom Silkscreen 5 List of Tables 1 EVM Specifications 2 2 TPA6139A2EVM Bill of Materials 6 Figure 1 TPA6139A2 E...

Page 2: ...D 130 m A Typical Continuous output power PO VDD 3 3 V 32 Ω THD N 0 03 25 m W 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 OFF 2 Connect...

Page 3: ...he 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 R...

Page 4: ...Reference www ti com 4 1 TPA6139A2EVM Schematic Figure 3 TPA6139A2EVM Schematic 4 TPA6139A2 EVM SLOU308 January 2011 Submit Documentation Feedback 2011 Texas Instruments Incorporated ...

Page 5: ...erence 4 2 TPA6139A2EVM PCB Layers spacer spacer Figure 4 Top Silkscreen spacer spacer Figure 5 Bottom Silkscreen 5 SLOU308 January 2011 TPA6139A2 EVM Submit Documentation Feedback 2011 Texas Instruments Incorporated ...

Page 6: ...10 X5R ROHS 0603 MURATA GRM21BR61C106KE15L 2 R4 R6 RESISTOR SMD0603 ZERO OHMS 1 10W ROHS 0603 STACKPOLE ELECTRONICS RMCF0603ZT0R00 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 CRCW080549K9FKEA ROHS 3 R3 R8 R9 RESISTOR SMD0603 100K OHM 1 THICK FILM 1 10W 0603 PANASONIC ERJ 3EKF1003 ROHS 1 J1 HEADER MALE 2PIN ...

Page 7: ...uct 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...

Page 8: ...horized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications and acknowledge ...

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