AN8808SB Datasheet, PDF (3/10 Pages) Panasonic Semiconductor – Three-Beam Method Head Amplifier IC for CD supporting the hologram pick-up

ICs for CD/CD-ROM Player
AN8808SB
s Pin Description
Pin No.
1
2
Pin Name
PD
LD
3
LDON
4
C. CRS
5
VCC
6
RF–
7
RFOUT
8
RFIN
9
C. AGC
10
ARF
11
C. ENV
12
C. EA
13
C. SBDO
14
BDO
15
C. SBRT
16
OFTR
17
NRFDET
18
GND
19
ENV
20
VREF
21
LD OFF
22
VDET
23
TEBPF
24
CROSS
25
TEOUT
26
TE–
27
FEOUT
28
FE–
29
FBAL
30
TBAL
31
PDFR
32
PDER
33
PDE
34
PDF
35
PDBD
36
PDAC
I/O
Function Description
I
Signal input of PD for LD output monitor
O
Connected to base of external Tr for LD drive
I
ON/OFF switching of LD APC
Capacity connecting pin for CROSS
Supply connecting pin
I
Reverse rotation input pin of RF Amp. for connecting a resistance
O
Output pin of RF Amp. (reverse rotation amp.)
I
RF AGC input pin
C-connecting pin for RF AGC loop filter
O
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
O
BDO detection output pin; positive logic
C-connecting pin for OFTR low speed detection
O
OFF TRACK detection output pin; positive logic
O
Output pin of RF signal amplitude detection ; negative logic
Ground pin
O
ENV output pin
O
VCC × 0.5 (V) output pin
I
Input pin for forced stop of LD APC
O
Output pin of amplitude detection
I
Input pin of amplitude detection
O
Output pin of TE CROSS detection signal
O
Output pin of TE Amp.
I
Reverse rotation input pin of TE Amp. for connecting a resistance
O
Output pin of FE Amp.
I
Reverse rotation input pin of FE Amp. for connecting a resistance
I
Control signal input pin for FO balance adjustment
I
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
I
Connected to PIN Diode E
I
Connected to PIN Diode F
I
Connected to B/D of astigmatic 4-division PD
I
Connected to A/C of astigmatic 4-division PD
s Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
Rating
Unit
Supply Voltage
VCC
6
V
Supply Current
ICC
40
mA
Power Dissipation
PD
240
mW
Operating Ambient Temperature
Topr
–30 ~ + 85
˚C
Storage Temperature
Tstg
–55 ~ + 125
˚C