LM386 - 具有内部增益的宽输入电压低功耗音频放大器

LM386是TI德州仪器公司的一款无产品，LM386是具有内部增益的宽输入电压低功耗音频放大器，本站介绍了LM386的封装应用图解、特点和优点、功能等，并给出了与LM386相关的TI元器件型号供参考。

LM386 - 具有内部增益的宽输入电压低功耗音频放大器 - 无 - 中/高功率D类放大器 - 德州仪器

产品描述

The LM386 is a power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value from 20 to 200.

The inputs are ground referenced while the output automatically biases to one-half the supply voltage. The quiescent power drain is only 24 milliwatts when operating from a 6 volt supply, making the LM386 ideal for battery operation.

产品特性

Battery operation
Minimum external parts
Wide supply voltage range: 4V-12V or 5V-18V
Low quiescent current drain: 4mA

Voltage gains from 20 to 200
Ground referenced input
Self-centering output quiescent voltage
Low distortion: 0.2% (AV = 20, VS = 6V, RL = 8[Ohm], PO = 125mW, f = 1kHz)
Available in 8 pin MSOP package

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