AN7158 데이터 시트보기 (PDF) - Panasonic Corporation
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AN7158 Datasheet PDF : 4 Pages
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ICs for Audio Common Use
AN7158N
Dual 7.5W Audio Power Amplifier Circuit
s Overview
The AN7158N is an integrated circuit designed for
power amplifier of 7.5W (16V, 4Ω) output with low noise
and low distortion, and it suits TV set with multi-sound.
Stereo operation is enabled due to incorporating two
amplifiers on one chip. 12-pin SIL package enabled com-
pact and high-densely mounted set.
s Features
• Incorporating protection circuits (surge, thermal protec-
tion and etc.)
• Automatic operating point stabilizer circuit
• Low distortion, low 1/f noise
• Low shock noise from power ON/OFF operation
• Better channel separation
• Fewer external components
Unit : mm
15.0±0.3
3.6±0.2
7.7±0.25
1.0±0.5
12
11
1.8R
10
9
8
7
6
5
4
3
2
1
5.5±0.3
4.7±0.3
2.7±0.4
0.35±0.25
12-Lead SIP Package (HSIP012-P-0000B)
s Block Diagram
8
Shock Noise
Suppression
Ch.2 Bootstrap
7
GND
10
Temperature
Compensation
Over Voltage
Protection
Ch.2 9
Input
Ch.1
Input
4
Input Circuit
Input Circuit
Drive
Drive
Output Circuit
Output Circuit
11 Ch.2
Output
1 VCC
2
Ch.1
Output
12
Shock Noise
Suppression
Temperature
Compensation
Over Voltage
Protection
5
6
3
Ch.1 Bootstrap
GND
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