ICs for Audio Common Use
s Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
7
7
200 Ω
AN7199Z
Description
Mute control pin
Mute changeover pin
Threshold voltage approx. 2.1 V
DC Voltage
8
GND (substrate)
0V
Being connected with substrate only
9
GND (input)
0V
Ground pin for input
10
Rnf
15 kΩ
Beep sound input pin
VREF = 6.3 V
Rnf
15 kΩ
2 Beep sound signal input pin
Input impedance 15.3 kΩ
7.8 kΩ
10
VREF = 6.3 V
15 kΩ
Rnf
Rnf
15
15 kΩ
Rnf
AN7198Z : 600Ω
AN7199Z : 300Ω
11
11
200 Ω
Approx. Approx.
15 µA 15 µA
600 Ω
Ch.2 input pin
Ch. 2 input signal applied pin
Input impedance 30 kΩ
2.1 V
0 mV to10 mV
30 kΩ
12
12
VCC
15 kΩ
Ripple filter pin
Output current 3 mA to 10 mA
350 µA
1.7 mA 20 kΩ
13.0 V
5