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TPA0253技术文档下载：
TPA0253 - 产品图解：
TPA0253 - 具有立体声耳机驱动器汇聚输入的单声道低功耗 AB 类音频放大器
TPA0253是TI公司的一款扬声器放大器（AB类/D类）产品，TPA0253是具有立体声耳机驱动器汇聚输入的单声道低功耗 AB 类音频放大器，本页介绍了TPA0253的产品说明、应用、特性等，并给出了与TPA0253相关的TI元器件型号供参考。
TPA0253 - 具有立体声耳机驱动器汇聚输入的单声道低功耗 AB 类音频放大器 - 扬声器放大器（AB类/D类） - 低功耗放大器 - TI公司（Texas Instruments，德州仪器）
产品描述
The TPA0253 is a 1-W mono bridge-tied-load (BTL) amplifier designed to drive speakers with as low as 8- speaker.
The gain of the input stage is set by the user-selected input resistor and a 50-k/RI in BTL mode. The input terminals are high-impedance CMOS inputs, and can be used as summing nodes.
The TPA0253 is available in the 10-pin thermally-enhanced MSOP package (DGQ) and operates over an ambient temperature range of –40°C to 85°C.
产品特性
- Ideal for Notebook Computers, PDAs, and Other Small Portable Audio Devices
- 1 W Into 8- From 5-V Supply
- 0.3 W Into 8- From 3-V Supply
- Stereo Head Phone Drive
- Mono (BTL) Signal Created by Summing Left and Right Signals Internally
- Wide Power Supply Compatibility 2.5 V to 5.5 V
- Low Supply Current
- 3.2 mA Typical at 5 V
- 2.7 mA Typical at 3 V
- Shutdown Control ...1 uA Typical
- Shutdown Pin Is TTL Compatible
- –40°C to 85°C Operating Temperature Range
- Space-Saving, Thermally-Enhanced MSOP Packaging
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