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AN7191NZ Datasheet(PDF) 4 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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 4 page
background image
4
AN7191NZ
ICs for Audio Common Use
Pin No.
Equivalent circuit
Description
DC voltage
1
Power supply connection pin
13.2 V
2
Ch.1 output pin (
+) :
6.6 V
Ch.1 positive-phase output pin.
3
GND (Output) :
0 V
Grounding pin for ch.1 output.
4
Ch.1 output pin (
−) :
6.6 V
Ch.1 reverse-phase output pin.
5
Standby control pin :
Standby changeover pin threshold
voltage approx. 2.1 V.
6
Ch.1 input pin :
0 mV to
Ch.1 input signal applied pin input
10 mV
impedance 30 k
Ω.
7
Mute control pin :
Mute changeover pin threshold volt-
age approx. 2.0 V.
s Terminal Equivalent Circuits
30 k
1.2 k
2
1
3
Pre-amp.
Drive circuit
Drive circuit
VREF = 6.6 V
30 k
1.2 k
4
1
3
Pre-amp.
VREF = 6.6 V
Drive circuit
Drive circuit
5
900
10 k
6
Approx.
15
µA
Approx.
15
µA
200
30 k
400
7
5 k




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