Instruction/ maintenance manual of the product TPA6139A2 EVM Texas Instruments
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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.
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.
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.
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.
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.
TPA6139A2EVM Bill of Materials www.ti.com 5 TPA6139A2EVM Bill of Materials Table 2. TPA6139A2EVM Bill of Materials SMD Qty. Reference Description Manufacturer Part Number Size 1 U1 Headphone AMP with 2 Vrms output TSSOP14-PW ROHS 0603 TPA6139A2PW 1 LED1 LED, GREEN 2.
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.
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.
An important point after buying a device Texas Instruments TPA6139A2 EVM (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Texas Instruments TPA6139A2 EVM yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Texas Instruments TPA6139A2 EVM - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Texas Instruments TPA6139A2 EVM you will learn all the available features of the product, as well as information on its operation. The information that you get Texas Instruments TPA6139A2 EVM will certainly help you make a decision on the purchase.
If you already are a holder of Texas Instruments TPA6139A2 EVM, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Texas Instruments TPA6139A2 EVM.
However, one of the most important roles played by the user manual is to help in solving problems with Texas Instruments TPA6139A2 EVM. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Texas Instruments TPA6139A2 EVM along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
