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1
Introduction
2
Quick Start for Stand-alone Operation
3
Schematic and PCB Layers
4
Bill of Materials
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TPA3125D2 Audio Power Amplifier EVM - Top View
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TPA3125D2 Audio Power Amplifier EVM - Bottom View
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Gain Jumper Settings
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Introduction
1.1
Description
The TPA3125D2 evaluation module (EVM) consists of a single 10-W, class-D, stereo audio power
amplifier, complete with a small number of external components mounted on a printed-circuit board. The
EVM can be used to directly drive speakers with an external analog audio source as the input.
and
Figure 2
display the top and bottom views of the EVM, respectively. For additional information, consult
the TPA3125D2 data sheet (SLOS611).
SLOU250 - January 2009
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Contents
List of Figures
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List of Tables
User's Guide
SLOU250 - January 2009
TPA3125D2 EVM
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TPA3125D2 EVM
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Summary of Contents for Texas Instruments TPA3125D2 EVM
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Page 1: Table Of Contents
TPA3125D2 Audio Power Amplifier EVM - Top View ............... TPA3125D2 Audio Power Amplifier EVM - Bottom View ....................TPA3125D2 EVM Schematic ..................TPA3125D2 EVM – Top Side Layout ................. TPA3125D2 EVM – Bottom Side Layout List of Tables ..................TPA3125D2 EVM Specifications ...................... - Page 2 Introduction www.ti.com Figure 1. TPA3125D2 Audio Power Amplifier EVM - Top View Figure 2. TPA3125D2 Audio Power Amplifier EVM - Bottom View TPA3125D2 EVM SLOU250 – January 2009 Submit Documentation Feedback...
- Page 3 Minimum load impedance Quick Start for Stand-alone Operation Use these procedures to operate the TPA3125D2 EVM in a stand-alone configuration, or when connecting it into existing circuits or equipment. Connections to the EVM module can be made by inserting stripped wire for the power supplies.
- Page 4 3. Adjust the control inputs to the desired settings as described in the Control Inputs section. 4. Adjust the amplifier gain by installing or removing the gain jumpers, GAIN0 and GAIN1 to yield the gain values described in Table TPA3125D2 EVM SLOU250 – January 2009 Submit Documentation Feedback...
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Page 5: Tpa3125D2 Evm Schematic
Schematic and PCB Layers www.ti.com Schematic and PCB Layers Figure 3. TPA3125D2 EVM Schematic SLOU250 – January 2009 TPA3125D2 EVM Submit Documentation Feedback... -
Page 6: Tpa3125D2 Evm - Top Side Layout
Schematic and PCB Layers www.ti.com Figure 4. TPA3125D2 EVM – Top Side Layout TPA3125D2 EVM SLOU250 – January 2009 Submit Documentation Feedback... -
Page 7: Tpa3125D2 Evm - Bottom Side Layout
Schematic and PCB Layers www.ti.com Figure 5. TPA3125D2 EVM – Bottom Side Layout SLOU250 – January 2009 TPA3125D2 EVM Submit Documentation Feedback... -
Page 8: Tpa3125D2 Evm Specifications
Bill of Materials www.ti.com Bill of Materials All components should be lead-free. Table 3. TPA3125D2 EVM Bill of Materials RefDes Description Mfr Part No. Vendor Part No. Vendor 10W STEREO CLASS-D AUDIO POWER AMP TPA3125D2N Texas TPA3125D2N Texas N20-DIP ROHS... - Page 9 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.
- Page 10 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.
- Page 11 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TPA3125D2EVM...
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