Instruction/ maintenance manual of the product TPA2012D2 Texas Instruments
Go to page of 8
1 Introduction 1.1 TPA2012D2 EVM Specifications User's Guide SLOU174A – February 2005 – Revised April 2005 TPA2012D2 Audio Power Amplifier Evaluation Module The TPA2012D2 audio power amplifier evaluation module is a complete, low-power, Class-D, stereo audio power amplifier capable of delivering 1.
www.ti.com V DD = 3.6 V , 10% 0 0.50 1 1.50 2 2.50 4 9 14 19 24 29 34 P O − Output Power − W R L − Load Resistance − See Note V DD = 5 V , 1% V DD = 2.5 V , 1% V DD = 2.5 V , 10% V DD = 3.6 V , 1% V DD = 3.6 V , 10% 2 Operation 2.1 Quick Start for Stand-Alone Operation Operation Figure 1.
www.ti.com 2.2 Power Up 3 Reference Reference Table 1. Gain Settings Amplifier Gain Setting (typ) GAIN1 (1) GAIN0 (1) V/V dB 0 0 2 6 0 1 4 12 1 0 8 18 1 1 16 24 (1) 0 = Jumper installed, 1 = Jumper not installed 2.1.2.3 Shutdown Controls 1. The TPA2012D2 provides independent shutdown controls so that each channel can be controlled separately.
www.ti.com 3.1 TPA2012D2 EVM PCB Layers Reference Figure 2. Top Layer Figure 3. Bottom Layer TPA2012D2 Audio Power Amplifier Evaluation Module 4 SLOU174A – February 2005 – Revised April 2005.
www.ti.com 3.2 TPA2012D2 EVM Schematic Diagram C8 C7 C6 VDD VDD R4 120 k R3 120 k VDD INL+ C12 10 F C9 10 F (Not Populated) GAIN1 GAIN0 VDD VDD C10 1 F C1 1 0.
www.ti.com 3.3 TPA2012D2 Audio Power Amplifer Evaluation Module Parts List 4 Related Documentation From Texas Instruments Related Documentation From Texas Instruments Table 2.
FCC Warnings This equipment is intended for use in a laboratory test environment only. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits.
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 TPA2012D2 (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 TPA2012D2 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 TPA2012D2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Texas Instruments TPA2012D2 you will learn all the available features of the product, as well as information on its operation. The information that you get Texas Instruments TPA2012D2 will certainly help you make a decision on the purchase.
If you already are a holder of Texas Instruments TPA2012D2, 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 TPA2012D2.
However, one of the most important roles played by the user manual is to help in solving problems with Texas Instruments TPA2012D2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Texas Instruments TPA2012D2 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