IC102 CXA2556Q
Pin Description
14
Pin No.
Symbol
I/O
Description
1
LD
O
APC Amp output
2
PD
I
APC Amp Intput
3
A
I
RF Summing Amp,
4
B
I
Focus Error Amp Input
5
C
I
6
D
I
7
GND
GND
8
NC
No Connect
9
E
I
Tracking Error Amp Input. (9, 10)
10
F
I
11
TEI
O
Tracking Error Amp Output. (11)
12
TEC
I
Control Tracking Error Low Frequency Gain (12)
13
TE
O
Tracking Error Amp Output (13)
14
FEB
O
Adjust Focus Bias
15
FE
O
Focus Error Amp Output
16
VC
O
(Vcc+GND)/2
17
MIRR T
I
Control Peak Hold Value
18
CP
I
Mirror Hold Capacitor Input
Mirror Comparator non Invertor Input
19
MIRR
O
Mirror Comparator Output
20
Vcc
Vcc
21
RFO2
O
Buffer Switch Output (Control in 23 and 24 pin)
22
RFO1
O
RF Equalizer Output
23
MODE 2
I
24
MODE 1
I
25
APC ON
I
APC Amp on /off Switching
26
FCC
I
RF Equalizer LPF Cutoff Frequency Setting Pin
27
BSTC
I
RF Equalizer High Frequency Boost Setting Pin
28
RFC
I
RF Amp, RF Equalizer Low Frequency Gain Setting Pin
29
EQIN
I
RF Equalizer Input
30
SUMOUT
O
RF Summing Amp Invertor output
31
RFI
I
Mirror Circuit Input
32
RFO
O
RF Signal Output
MODE 1
MODE 2
x1
GND
GND
xN
Vcc
GND
x1.5N
GND
Vcc
x2.0N
Vcc
Vcc
Control Velocity
