Texas Instruments TPA6139A2 EVM - Manual
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Table of Contents:
- Page 2 – Description; load; EVM Specifications; Table 1. EVM Specifications; Operation; This section describes how to operate the TPA6139A2EVM.; Quick-Start List for Stand-Alone Operation; Power and Ground; Audio
- Page 3 – Shutdown Controls; Gain Setting; Verify the correct connections as described in; Reference
- Page 5 – Figure 4. Top Silkscreen; spacer; Figure 5. Bottom Silkscreen
- Page 8 – IMPORTANT NOTICE; Products
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
EVM Specifications
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3
Operation
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3.1
Quick-Start List for Stand-Alone Operation
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4
Reference
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4.1
TPA6139A2EVM Schematic
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4.2
TPA6139A2EVM PCB Layers
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5
TPA6139A2EVM Bill of Materials
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List of Figures
1
TPA6139A2 EVM Top View
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2
TPA6139A2 EVM Bottom View
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3
TPA6139A2EVM Schematic
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4
Top Silkscreen
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5
Bottom Silkscreen
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List of Tables
1
EVM Specifications
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2
TPA6139A2EVM Bill of Materials
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Figure 1. TPA6139A2 EVM Top View
1
SLOU308 – January 2011
TPA6139A2 EVM
© 2011, Texas Instruments Incorporated
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Summary
Description www.ti.com Figure 2. TPA6139A2 EVM Bottom View 1 Description The TPA6139A2 is a DirectPath™ stereo headphone amplifier capable of driving 2 Vrms into a 600 Ω load and deliver up to 25 mW/Ch into 32 Ω with a 3.3V supply. The TPA6139A2 is designed using TI’s patented DirectPath™ technology...
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. T...
www.ti.com Reference 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
