Operational Amplifier
Audio Power Amplifier, AB, 1 Channels, 4V to 12V, DIP, 8 Pins
The LM386N-1/NOPB is a low voltage class AB audio power amplifier in 8 pin DIP package. This power amplifier is designed for use in low voltage applications. The gain is internally set to 20 to keep external part count low. 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 output automatically biases to one half cycle of supply voltage. The quiescent power drain is only 24mW when operating from 6V supply making LM386 ideal for battery operation. Minimum external parts Wide supply voltage range from 4V to 12V Low quiescent current drain of 4mA Self centring output quiescent voltage Low distortion of 0.2% Operating temperature range 0°C to 70°C Output power is 325mW at VS=6V and RL=8W Voltage gain is 26db at VS=6V and f=1KHz Bandwidth (BW) of 300KHz Power supply rejection ratio (PSRR) is 50dB Applications: Audio, Portable Devices, Consumer Electronics, Power Management, Signal Processing
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