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AN8946SB Datasheet, PDF (2/10 Pages) Panasonic Semiconductor – FM demodulation IC for BS/CS broadcasting
AN8946SB
s Pin Descriptions
Pin No.
Description
1
Key pulse input
2
AFC output L
3
AFC output H
4
VCC2 (VCO, AFC system)
5
VCO1
6
GND3 (VCO system)
7
VCO2
8
GND2 (Main)
9
Loop amp. output
10
Video amp. input
11
Video amp. output
12
Free-run frequency adjustment
13
Loop amp. input 1
14
Loop amp. input 2
ICs for TV
Pin No.
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Description
AFC adjustment
AGC output 2
AGC output 1
AGC adjustment
IF amp. output
Regulator output
VCC1 (Main)
GND1 (AGC amp., regulator system)
IF amp. input 2
IF amp. input 1
AFC output R
AFC LPF2
AFC LPF1
Key pulse LPF
s Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Supply voltage
VCC
5.6
V
Supply current
ICC
50
mA
Power dissipation
PD
280
mW
Operating ambient temperature *
Topr
−20 to +75
°C
Storage temperature *
Tstg
−55 to +150
°C
Note) 1. Be carefl for static electricity damage of pin 1 to pin 5, pin 7, pin 21, pin 26 and pin 28.
2. *: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.
s Recommended Operating Range
Parameter
Symbol
Range
Unit
Supply voltage
VCC
4.5 to 5.5
V
2