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Summary of Contents for Texas Instruments TPA6112A2 MSOP
- Page 1 TPA6112A2 MSOP Audio Power Amplifier Evaluation Module User’s Guide February 2001 Mixed-Signal Products SLOU097A...
- Page 2 The information in a caution or a warning is provided for your protection. Please read each caution and warning carefully. Related Documentation From Texas Instruments TI Plug-N-Play Audio Amplifier Evaluation Platform (literature number SLOU011) provides detailed information on the evaluation platform and its use with TI audio evaluation modules.
- Page 3 Running Title—Attribute Reference FCC Warning 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 of computing devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable protection against radio frequency interference.
- Page 4 ............2–2 Platform Jumper and Switch Settings for the TPA6112A2 MSOP EVM ....
- Page 6 Chapter 1 Introduction This chapter provides an overview of the Texas Instruments (TI) TPA6112A2 MSOP audio amplifier evaluation module (SLOP355). It includes a list of EVM features, a brief description of the module illustrated with a pictorial diagram, and a list of EVM specifications.
- Page 7 Features 1.1 Features The TI TPA6112A2 MSOP audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: TPA6112A2 MSOP stereo audio power amplifier evaluation module Dual channel, differential input and single-ended output 150-mW output power into 8 Ω at 5 V 2.5-V to 5.5-V operation...
- Page 8 Description 1.2 Description The TPA6112A2 MSOP audio power amplifier evaluation module is a complete, low-power stereo audio power amplifier for high-fidelity line-level output, headphone, and small speaker applications. It consists of the TI TPA6112A2 150-mW stereo audio power amplifier IC in a very small MSOP package, along with a small number of other parts mounted on a circuit board that is approximately one and a quarter inches square (Figure 1–1).
- Page 9 Introduction...
- Page 10 Chapter 2 Operation Follow the steps in this chapter to quickly prepare the TPA6112A2 MSOP audio amplifier EVM for use. The TPA6112A2 MSOP EVM and the TI plug-n-play audio amplifier evaluation platform provide a quick and easy way to connect power, signal and control inputs, and signal outputs to the EVM using standard connectors.
- Page 11 Precautions 2.1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity and voltage of the external power connected to V power input connector J1, J2, and/or V power input connector J6 are correct. Overvoltage or reverse-polarity power applied to these terminals can open onboard soldered-in fuses and cause other damage to the platform, installed evaluation modules, and/or the power source.
- Page 12 1) Ensure that all external power sources are set to off and that the platform power switch S1 is set to off. 2) Install a TPA6112A2 MSOP module in platform socket U5, taking care to align the module pins correctly.
- Page 13 Quick Start List for Stand-Alone 2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA6112A2 MSOP EVM stand-alone or when connecting it to existing circuits or equipment. Connections to the TPA6112A2 MSOP module header pins can be made via individual sockets, wire-wrapping, or soldering to the pins, either on the top or the bottom of the module circuit board.
- Page 14 References 2.4 References 2.4.1 TPA6112A2 MSOP EVM Connected as a Stereo Headphone Amplifier Figure 2–3. TPA6112A2 MSOP EVM Connected as a Stereo Headphone Amplifier 5 VDC Shutdown Shutdown Audio Input IN1– (Right) IN1+ V O 1 TEXAS 33 µF – 1000 µF INSTRUMENTS †...
- Page 15 TPA6112A2 MSOP Audio Power Amplifier Evaluation Module Parts List 2.4.3 TPA6112A2 MSOP Audio Power Amplifier Evaluation Module Parts List Table 2–3. TPA6112A2 MSOP EVM Parts List Manufacturer/ Ref. Description Size Qty. Vendor/Number Part Number R6–R9 Resistor, 20 kΩ, 1/16 0603...
- Page 16 TPA6112A2 MSOP EVM PCB Layers Figure 2–6. TPA6112A2 EVM Silkscreen Figure 2–7. TPA6112A2 EVM Top Layer Figure 2–8. TPA6112A2 EVM Bottom Layer Operation...
- Page 17 IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete.
- Page 18 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TPA6112A2EVM...
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