Panasonic AN8807SB Datasheet
ICs for CD/CD-ROM Player
■ Overview
The AN8807SB is a head amplifier IC supporting the
digital servo.
Combination of this IC and the MN662710RA (digital
servo processor + signal processing + DAC/DF) allows
the rational CD ROM system to be constructed with small
number of external parts.
■ Features
•
Single supply operation
•
I–V amplifier, tracking error amplifier, focus error amplifier, RF amplifier and APC built-in
•
Detectors of DO, CROSS, OFTR and vibration built-in
•
Combination with the MN662710RA providing complete
automatic adjustment for tracking balance, tracking
gain, tracking offset, focus balance, focus gain and
focus offset
AN8807SB
Three-Beam Method Head Amplifier IC for CD-ROM
0.3±0.11
1
0.1±0.1
2.85±0.2
18
36
19
0.5
1.3±0.25
1.3±0.25
0.2
+0.1
– 0.05
0.8
15.2±0.3
11.93±0.3
8.4±0.3
Umit : mm
36-lead SSOP package (SSOP036-P-0450A)
AN8807SB
ICs for CD-ROM Player
A
A B
D
D
C
Subtracter
AGC
RF
Det.
ENV Det.
BDO
OFTR
A+C
B+D
PDFR
F
E
PDER
RF– RFOUT
FEOUT
FE–
CACC
ARF RFDET
CENV
CEA
ENV
CSBDO
BDO
CSBRT
OFTR
V
REF
LD OFF
LD
LD ON/OFFFDV Det.TEBPF
TE–TEOUT
C.CRS
CROSS
TBAL
V
CC
+ + +
FBAL
+
VCBA
VCBA
VCBA
VCBA
+ –
+ –
+
–
+
–
+
–
6 7 29 27 28 8 9 10 17 11 12 19
13
14
15
16
5
18
20
21
2
312223
26254
2430
35
31
32
33
36
+
–
+
–
–
+
–
+
+
–
+
–
+
–
+
–
–
+
–
+
–
+
–
+
–
+
■ Block Diagram
ICs for CD/CD-ROM Player
AN8807SB
Pin No.
Pin Name
■ Pin Description
I/O
Function Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
P
D
LD
LDON
C. CRS
V
CC
RF–
RFOUT
RFIN
C. AGC
ARF
C. ENV
C. EA
C. SBDO
BDO
C. SBRT
OFTR
NRFDET
GND
ENV
V
REF
LD OFF
VDET
TEBPF
CROSS
TEOUT
TE–
FEOUT
FE–
FBAL
TBAL
PDFR
PDER
PDE
PDF
PDBD
PDAC
I
O
I
I
O
I
O
O
O
O
O
O
I
O
I
O
O
I
O
I
I
I
I
I
I
I
Signal input of P
D
for LD output monitor
Connected to base of external Tr for LD drive
ON/OFF switching of LD APC
Capacity connecting pin for CROSS
Supply connecting pin
Reverse rotation input pin of RF Amp. for connecting a resistance
Output pin of RF Amp. (reverse rotation amp.)
RF AGC input pin
C-connecting pin for RF AGC loop filter
RF output pin after AGC
C-connecting pin for RF
C-connecting pin for amp.
C-connecting pin for low speed detection of dark level DO
BDO detection output pin; positive logic
C-connecting pin for OFTR low speed detection
OFF TRACK detection output pin; positive logic
Output pin of RF signal amplitude detection; negative logic
Ground pin
ENV output pin
V
CC
× 0.5 (V) output pin
Input pin for forced stop of LD APC
Output pin of vibration detection
Input pin of vibration detection
Output pin of TE CROSS detection signal
Output pin of TE Amp.
Inverting input pin of TE Amp. for connecting a resistance
Output pin of FE Amp.
Inverting input pin of FE Amp. for connecting a resistance
Control signal input pin for FO balance adjustment
Control signal input pin for TE balance adjustment
Resistance-connected pin setting the I –V conversion resistance value of PDE
Resistance-connected pin setting the I –V conversion resistance value of PDF
Connected to PIN Diode E
Connected to PIN Diode F
Connected to B/D of astigmatic 4-division P
D
Connected to A/C of astigmatic 4-division P
D
■ Absolute Maximum Ratings (Ta=25˚C)
6
40
240
–20 ~ + 75
–55 ~ + 125
V
CC
I
CC
P
D
T
opr
T
stg
Supply Voltage
Supply Current
Power Dissipation
Operating Ambient Temperature
Storage Temperature
V
mA
mW
˚C
˚C
Parameter Symbol Rating Unit
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