CXA2555Q
Pin
No.
Symbol
I/O
Equivalent circuit
Description
1.5k
80k
147
Connects a mirror hold
capacitor.
Non-inverted input of mirror
comparator.
18
CP
I
18
20k
147
40k
19
19
20
MIRR
O
Mirror comparator output.
Power supply.
100k
VCC
3k
147
147
Buffer switch output for the RF
time constant setting for Pin 21.
ON when Pins 23 and 24 are
connected to GND.
21
22
O
O
21
22
RFO 2
RFO 1
EQ signal output for Pin 22.
Double-speed mode switching
input.
147 10k
23
24
25
MODE 2
MODE 1
APC ON
I
I
I
23
Mode 1 Mode 2
40k
× 1
GND
VCC
GND
GND
VCC
× N
× 1.5N
× 2.0N
GND
VCC
VCC
40k
147 10k
24
N is varied according to the
external resistor connected to
Pin 26.
Switching pin for APC amplifier
ON/OFF.
147
25
OFF when connected to Vcc;
ON when connected to GND.
100k
– 5 –
SONY [ SONY CORPORATION ]
