AN7500FHQ
ICs for Radio-Cassette, Cassette Deck
s Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
12
12
50 kΩ
VRPF
50 kΩ
GND
Description
PWR mute CNT:
Power mute on/off control
PWR-mute off
Pin open or high voltage:
VCC − 0.15 V < V12-19 < VCC +0.3 V
PWR-mute on
Low voltage:
− 0.3 V < V12-19 < 0.3 V
Waveform/voltage
(at VCC = 1.2 V)
DC 0 V
13
100
kΩ
13
100 kΩ
VRPF
GND
STBY CNT:
Standby on/off control
STBY off
Pin open or high voltage:
0.75 V < V13-19 < VCC +0.3 V
STBY (on state) on
Low voltage:
− 0.3 V < V13-19 < 0.4 V
DC 0 V
14
70 kΩ
VCC
RF in:
DC 1.0 V
Ripple filter reference voltage input
14
15
14 kΩ
100 kΩ
350 kΩ
GND
RF base:
Ripple filter
DC 0.47 V
16
15
16
VRPF :
DC 1.13 V
Ripple filter reference voltage output
10