CXA1372BQ/BS
Pin Description
Pin No.
Q
S
Symbol
I/O
Equivalent circuit
Description
Center voltage input.
For dual power supplies: GND
For single power supply:
(V
CC
+ GND)/2
1
7
VC
I
Vcc
147
48k
130k
V
EE
2
8
FGD
I
2
20µA
Connects a capacitor between this
pin and Pin 3 to cut high-frequency
gain.
46k
580k
3
9
FS3
I
3
The high-frequency gain of the
focus servo is switched through FS3
ON and OFF.
4
10
FLB
I
40k
4
External time constant to boost the
low frequency of the focus servo.
5
11
FEO
O
5
Focus drive output.
11
17
TAO
O
11
14
250µA
2.5µA
Tracking drive output.
14
20
SLO
O
Sled drive output.
90k
6
12
FE–
147
I
6
40k
2.5µA
Inverted input for focus amplifier.
–4–