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QQ
IC, CXA2581N
3 7 63 1515 0
Pin No.
Pin Name
1
LD
2
PD
3
EQ-IN
4
AC-SUM
5
GND
6
A
7
B
8
C
9
D
10
E
11
F
12
SW
13
DVCC
14
DVC
15
RFAC
16
FE
17
FEI
18
TE
19
TE-BAL
TE
L 13942296513
20
CE
21
CEI
22
VCC
23
RFG
24
BST
25
VFC
26
RFC
27
VC
28
RFDCO
29
RFDCI
30
DC-OFST
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I/O
O
APC amp output.
I
APC amp input.
I
RFAC-system VCA/EQ block input.
O
RFAC-system RF SUM output.
—
Ground.
I
A-signal input.
I
B-signal input.
I
C-signal input.
I
D-signal input.
I
E-signal input.
I
F-signal input.
I
MODE switching signal input.
O
DVcc.
O
DVC output.
O
RFAC signal output.
O
Focus error signal output.
I
FE amp virtual ground.
O
Tracking error signal output.
I
TE balance adjustment.
O
Center error signal output.
I
CE amp virtual ground.
I
Vcc.
I
RFAC-system VCA block low-frequency gain adjustment.
I
EQ boost level adjustment.
I
EQ cutoff frequency adjustment.
I
EQ cutoff frequency adjustment.
O
VC voltage output.
O
RFDC signal output.
I
RFDC amp virtual ground.
I
RFDC signal output offset adjustment.
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2 9
8
Description
Q Q
3
6 7
1 3
1 5
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9 4
2 8
0 5
8
2 9
9 4
2 8
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