MX-KA3
1-27
AN22000A (IC611) : CD-DA Head Amp.
1. Terminal layout
3. Block diagram
2. Pin function
1
16
17
RF_EQ
NRFDET
AMP
AGC
6
24
7
5
4
8
BDO
SUBT
11
12
OFTR
3TENV
VDET
13
14
9
10
15
32
31
22
23
GCA
BCA
AMP
30
29
GCA
BCA
+
-
AMP
SUBT
27
28
21
20
19
18
GCA
BCA
AMP
17
GCA
BCA
+
-
2
1
+
-
-
+
RFOUT
RFIN
GCTL
26
TBAL
25
16
3
FBAL
LD
PD
Pin
No.
Function
Symbol I/O
Pin
No.
Function
Symbol I/O
1
PD
I
APC Amp. input terminal
2
LD
O APC Amp. output terminal
3
VCC
-
Power supply terminal
4
RFN
I
RF adder Amp. inverting input
terminal
5
RFOUT
O RF adder Amp. output terminal
6
RFIN
I
AGC input terminal
7
CAGC
I
Input terminal for AGC loop
filter capacitor
8
ARF
O AGC output terminal
9
CBA
I
Capacitor connecting terminal
for HPF-Amp.
10
3TOUT
O 3 TENV output terminal
11 CBOO
I Capacitor connecting terminal
for envelope detection on the
darkness side
12
BDO
O BDO output terminal
13
COFTR
I
Capacitor connecting terminal
for envelope detection on the
light side
14
OFTR
O OFTR output terminal
15
NRFDET O NRFDET output terminal
16
GND
-
Ground
17
VREF
O VREF output terminal
18
VDET
O VDET output terminal
19
TEBPF
I
VDET output terminal
20
TEOUT
O TE Amp. output terminal
21
TEN
I
TE Amp. inverting input
terminal
22
FEN
I
FE Amp. inverting input
terminal
23
FEOUT
O FE Amp. output terminal
24
GCTL
O GCTL & APC terminal
25
FBAL
O FBAL control terminal
26
TBAL
O TBAL control terminal
27
E
I
Tracking signal input terminal 1
28
F
I
Tracking signal input terminal 2
29
D
I
Focus signal input terminal 4
30
B
I
Focus signal input terminal 3
31
C
I
Focus signal input terminal 2
32
A
I
Focus signal input terminal 1
2
3
