AN8771NFH Datasheet, PDF (3/11 Pages) Panasonic Semiconductor – Pre-amplifier IC for MD

AN8771NFH
s Pin Descriptions (continued)
Pin No. Symbol
Description
Pin No. Symbol
Description
17
AS Main beam light quantity sum
signal output pin
38 PEFMS Data slice output pin
39 GND2 Data slice circuit GND pin
18 ASOFS AS offset adjustment pin
40 PEFM Data slice level setting pin
19 ASGAIN Amp. gain adjustment pin for
main beam system
41 EFMIND Data slice signal input pin
42 EFMINS EFM detection input pin
20 MON3T 3T envelope detection output pin 43 OUTRF EFM output pin
21
CEA Capacitor connection pin for 3T
44 CRFAGC RFAGC capacitor connection pin
envelope detection
45 EQADJ EQ setting pin
22 GND4 GND for FE/TE system
46
EQIN EQ input pin
23
BDO AS drop-out detection signal
output pin
47 ARFO RF amp. output pin
48 SVREF Reference signal input pin
24 CBDOG BDO detection capacitor
connection pin
49 VREF Reference signal output pin
50
RF1 RF1 signal input pin
25
OFTR Off-track signal output pin
51
RF2 RF2 signal input pin
26 CBDOP RFBDO detection capacitor
connection pin
52 SWMS Pit RF amp. polarity setting pin
53
B
Main beam B signal input pin
27 OFTIN Off-track detection signal input pin 54
A
Main beam A signal input pin
28 OFTO Off-track detection signal output pin 55
D
Main beam D signal input pin
29
ADIP ADIP FM signal output pin
56
C
Main beam C signal input pin
30 GND1 GND pin
57
F
Side beam F signal input pin
31 NRFDET RF detection signal output pin
58
E
Side beam E signal input pin
32
V_CC1
V_CC pin
33 RFSWHL Reflection factor changeover
signal input pin
59
V_CC3 APC circuit V_CC pin
60 LDON LD amp. on/off control signal
input pin
34 RFSWPG Pit/group changeover signal
input pin
35 NREC Recording/playback change over
signal input pin
61
LDO LD amp. output pin
62 APCPD+ Photo diode light quantity
detection pin
63 APCPD− PD polarity reversing current input pin
36 NRFSTBY Standby control signal input pin
37
V_CC2 Data slice circuit V_CC pin
64 REFIN APC amp. reference voltage input
pin
SDD00018CEB
3