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PDF AN7125 Data sheet ( Hoja de datos )
| Número de pieza | AN7125 | |
| Descripción | Dual Channel BTL Power Amplifier | |
| Fabricantes | Panasonic Semiconductor | |
| Logotipo |  |
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ICs for Audio Common Use
AN7125
Dual Channel BTL Power Amplifier
s Overview
AN7125 is a monolithic integrated circuit designed for
13.5 W (12 V,4 Ω) output audio power amplifier.It is a
dual channel BTL IC suitable for stereo operation in radio
cassette and TV application.
s Features
• Built-in muting pin
• Built-in stand by pin
• Built-in thermal shutdown protection circuit
• Built-in current limiting circuit
• High power : (13.5 W/12 V/4 Ω)
(13.0 W/15 V/8 Ω)
• Few external components
• Operating voltage range 6 V ∼ 18 V (12 V typ.)
s Applications
• Radio-cassette
s Block Diagram
REF
TSD
protection
circuit
Standby
circuit
Mute
7.7±0.3
φ3.6
R1.8
Unit : mm
(12.5)
(1.2)
19.1±0.3
21.9±0.3
HSIP012-P-0000A
1
1 page  
ICs for Audio Common Use
s Application Circuit Example
AN7125
2200 µF
VCC
12 V
IN1 6
51 kΩ
5V
5
STB
Cs
10 µF
8.2 kΩ
9
MUTE
Cs
33 µF
IN2 8
2 OUT1
Output1
3 GND
4 OUT1
0.22 µF
2.2 Ω
0.22 µF
2.2 Ω
RL
4Ω
10 OUT2
Output2
11 GND
12 OUT2
0.22 µF
2.2 Ω
0.22 µF
2.2 Ω
RL
4Ω
STB 'Off'
STB 'On'
Mute 'Off'
Mute 'On'
5V
0V
0V
5V
s Application s Precautions
1. External heatsink is needed when used. External heatsink should be fixed to the chassis.
2. Fin of the IC can be connected to GND.
3. Please prevent output to VCC short and output to GND short.
4. The temperature protection circuit will operate at Tj around 150 °C.
However, if temperature decrease, the protection circuit will automatically be decreased and resume
normal operation.
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet AN7125.PDF ] | |
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