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AN7191NZ Datasheet(PDF) 5 Page - Panasonic Semiconductor

Part No. AN7191NZ
Description  Dual 20 W BTL audio power amplifier
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Maker  PANASONIC [Panasonic Semiconductor]
Homepage  http://www.panasonic.com/industrial/
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 5 page
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5
ICs for Audio Common Use
AN7191NZ
Pin No.
Equivalent circuit
Description
DC voltage
8
GND (sub) :
0 V
Being connected to substrate only.
9
GND (input) :
0 V
Ground pin for input.
10
Beep sound input pin :
2.1 V
Beep sound signal input pin.
Input impedance 10 k
Ω.
11
Ch.2 input pin :
1 mV to
Ch.2 input signal applied pin.
10 mV
Input impedance 30 k
Ω.
12
Ripple filter pin :
13.0 V
Output current 3 mA to 10 mA.
13
Ch.2 output pin (
−) :
6.6 V
Ch.2 reverse-phase output pin.
14
GND (output) :
0 V
Ground pin for ch.2 output.
s Terminal Equivalent Circuits (continued)
2
10
1.2 k
20 k
1.2 k
30 k
15
1.2 k
20 k
1.2 k
30 k
VREF = 2.1 V
VREF = 2.1 V
11
Approx.
15
µA
Approx.
15
µA
200
30 k
400
40 k
30 k
1.2 mA
200
µA
12
VCC
30 k
1.2 k
13
1
15
Pre-amp.
VREF = 6.6 V
Drive circuit
Drive circuit




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