ICs for Audio Common Use
s Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
7
7
5 kΩ
AN7196Z
Description
Mute control pin
Mute changeover pin
Threshold voltage approx. 2.0 V
DC Voltage
8
9
10
600 Ω
VREF = 2.1 V 600 Ω
25 kΩ
25 kΩ
10
600 Ω
VREF = 2.1 V 600 Ω
GND (substrate)
Being connected with substrate only
GND (input)
15 kΩ
Ground pin for input
Beep sound input pin
Beep sound signal input pin
15
Input impedance 25 kΩ
2
15 kΩ
0V
0V
2.1 V
11
11
200 Ω
Approx. Approx.
15 µA 15 µA
400 Ω
Ch.2 input pin
Ch. 2 input signal applied pin
Input impedance 30 kΩ
0 mV to10 mV
30 kΩ
12
Ripple filter pin
VCC
30 kΩ
Output current 3 mA to 10 mA
12
Quick
discharge
circuit
20 kΩ
200 µA
13.0 V
5