ICs for VCR
AN3664NFB
■ Pin Descriptions
Pin No.
Description
Pin No.
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Description
1
2
3
4
5
6
7
8
Recording input volume adjusting pin
HiFi AGC det. pin
FM emph. / De-emph. (R-channel)
CCA output pin (R-channel: NR emph.)
NR ref. (R-channel)
VREF1 (1/2VCC1
)
TV in (L-channel)
GND (R-channel)
AUX in (L-channel)
NR det. 2 (R-channel)
BS2 in (L-channel)
NR det. 1 (R-channel: Weighting)
VCC (VCC1 = 5 V)
BS1 in (L-channel)
NR det. 1 (L-channel: Weighting)
NR det. 2 (L-channel)
BS1 in (R-channel) and Normal recording in
BS2 in (R-channel)
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
GND (L-channel)
AUX in (R-channel)
NR ref. (L-channel)
TV in (R-channel)
CCA output pin (L-channel: NR emph.)
FM emph. / De-emph. (L-channel)
N.C.
Recording input volume adjusting pin
Normal audio input
Normal audio output
Rec. FM output / PB BPF monitor
Serial clock input
VCC (VCC2 = 12 V)
RF conv. AGC det.
Serial data input
RF conv. amp. output
Head switching pulse input for FM audio
Playback FM input
GND
Output mute (R-channel)
Output mute (L-channel)
Line amp. output (R-channel)
Line amp. output (L-channel)
LOG amp. output (R-channel)
LOG amp. output (L-channel)
Envelope det. and forced normal output
Normal judgement noise detection
PE
Output mute CTL
Resistor selection pin (or N.C. on use)
■ Absolute Maximum Ratings
Parameter
Symbol
VCC1
VCC2
PD
Rating
Unit
Supply voltage
5.5
13.0
V
1, 2
Power dissipation *
639
mW
°C
1
Operating ambient temperature *
Topr
−20 to +75
−55 to +150
1
Storage temperature *
Tstg
°C
Note) 1. The reverse insertion of this IC will cause its breakdown.
2. 1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for T = 25°C.
*
a
2: The power dissipation shown is the value for T = 75°C.
*
a
3
PANASONIC [ PANASONIC ]
