HD0802A – 3-channel Audio Amplifier

HD0802A is a 3-channel audio amplifier with built-in microphone input amplifier.

Part number : HD0802 ( == SD7402 )

Functions : ALC band amplified microphone dual audio output

Package information : SMD 16PIN

Manufacturer : Wuxi YouDa Electronics

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HD0802A amplifier

Description

High quality audio output is available through simpleperipheral circuit and the amplifier gain can be adjusted flexibly by external resistor. It is widely used as pre-amplification in various stereo and 2.1-channel audio systems to pre-amplify the signal from the main chip audio.

Features

1. BICMOS technology

2. Dual power supply (+5V/-12V)

3. Built-in voltage regulator

4. Low distortion

5. Standby function

Block Diagram

HD0802A Pinouts
ALC (Automatic Level Control) refers to the function of automatically adjusting the size of the audio input signal to keep the level of the output signal constant. It is used to amplify audio signals such as voice or music and maintain them at a consistent level.

Pinouts
HD0802A datasheet

HD0802A Datasheet PDF Download

HD0802A pdf

 

SD7402 Datasheet PDF Download

 


Information related to components

HD0802A - - Etc

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ETC

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