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PDF AN7551Z Data sheet ( Hoja de datos )
| Número de pieza | AN7551Z | |
| Descripción | Power IC for BTL car audio | |
| Fabricantes | Panasonic Semiconductor | |
| Logotipo |  |
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ICs for Audio Common Use
AN7551Z
Power IC for BTL car audio
s Overview
The AN7551Z is an audio power IC developed as a car
audio output (35 W × 4-ch). CR to stop oscillation is built
in between the output pin and GND so that a space sav-
ing of set is possible. Also, it is incorporating a perfect
muting circuit which does not make a shock noise so that
a shock noise design in the set transitional state can be
made easily when used together with its standby func-
tion. In addition, it is incorporating various protective
circuits to protect the IC from destruction by GND-open
earth short-circuiting and power supply surge which are
the important subject of power IC, and the IC will largely
contribute to a high reliability design of equipment.
s Features
• Pin arrangement which does not allow the input/output
patterns to intersect each other so that it is possible to
make a pattern design on a one-sided printed circuit
board.
• Incorporating various protection circuits (thermal pro-
tection, short-circuit to VCC , short-circuit to VCC in VCC-
opened, short-circuit to GND, short-circuit to GND in
GND-opened, over voltage, power supply surge, and
ASO protection, etc.)
• Incorporating standby function (shock noise-free at STB-
on/off)
• Incorporating standby function (shock noise-free at
Mute-on/off)
• External components reduction
• Provided with beep sound input pin
• Equipped with auxiliary sound input pin
• Inverted pin layout of AN7550NZ on right and left pins
s Applications
• Car stereo, miniature audio component, karaoke and
other audio equipment.
31.0±0.3
27.0±0.3
21.0±0.1
(10.50) (10.50)
R1.8±0.1
Unit : mm
4.5±0.2
φ3.6±0.1
1.5±0.1
1
(1.26)
1.27
25
0.6
+0.2
– 0.1
(5.08)
(4.29)
0.40
+0.15
– 0.05
Seating plane
33.0±0.3
33.36±0.30
HZIP025-P-0980
1
1 page  
ICs for Audio Common Use
s Terminal Equivalent Circuits
Pin No.
Equivalent circuit
1
VCC
15 kΩ
Description
Ripple filter pin:
Output current from 3 mA to 10mA
AN7551Z
DC Voltage
13 V
1
1.7 mA
350 µA
20 kΩ
2
2
100 kΩ
200 Ω
10 kΩ
Mute pin :
Mute switchover pin
Threshold voltage about 2.1 V
0V
3
3
200 Ω
30 kΩ
600 Ω
abt.
15 µA
abt.
15 µA
ch.3 input pin :
ch.3 input signal application pin
Input impedance 30 kΩ
0 mV to 10 mV
4
55
200 Ω
30 kΩ
600 Ω
abt.
15 µA
abt.
15 µA
GND (circuit board) : Circuit board
ch.4 input pin :
ch.4 input signal application pin
Input impedance 30 kΩ
0V
0 mV to 10 mV
5
5 Page 
ICs for Audio Common Use
s Technical Information
• HZP025-P-0980 package power dissipation
120
113.6
100
PD Ta
With an infinitely
heat-sink
Rth(j − c) = 1.1 °C/ W
Rth(j − a) = 31.1 °C/ W
80
1 °C / W heat-sink
59.5
60
2 °C / W
heat-sink
40.3
40
5 °C / W heat-sink
20.5
20
Package without heat-sink
4.02
0
0 25 50 75
100 125
Ambient temperature Ta (˚C)
150
AN7551Z
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet AN7551Z.PDF ] | |
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