1W X 2 Dual Audio Power Amplifier
HSiN Semiconductor Pte Ltd
HD2822
www.hsin.com.sg
銆€
1. Overview
銆€
The HD2822 is a bipolar integrated circuit designed for use as a dual power amplifier in portable
radios (WALKMAN) and commonly used radios. Its
features
are:
銆€Wide
supply voltage range (1.8~15V), especially suitable at low voltage
銆€Low
quiescent current
銆€Small
cross-over distortion
銆€Bridge
or stereo configuration
銆€DIP8
2. Block Diagram and Pin Description
2.1
Block Diagram銆€銆€銆€
銆€
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2.2 Pin Description
銆€
Pin No.
1
2
3
4
Symbol
OUT
1
V
CC
OUT
2
GND
Description
Output 1
Supply Voltage
Output 2
Ground
Pin No.
5
6
7
8
Symbol
IN
2--
IN
2+
IN
1+
IN
1--
Description
Inverting Input2
Non-Inverting Input 2
Non-Inverting Input 1
Inverting Input 1
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