n Overview
The AN7367K is an integrated circuit available for
stereo operation on a single chip developed for dbx II
type noise reduction, which can also use for U.S. sound
multiplex TV. And it is designed for easy use of reference
signal level, supply voltage and logic input level.
n Features
• Dynamic range : 110dB
• 2-channel
• Reference input-output signal level : 90mV
• 2 power supply type (+, –)
ICs for Cassette, Cassette Deck
AN7367K
dbx II Noise Reduction IC for Cassette Deck
1
2
3
4
5
6
7
8
9
10
11
12
13
14
19
18
17
16
15
20
21
22
23
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25
26
27
28
26.7
–
0.3
8.4– 0.3
3 ~ 15˚
0.3
+ 0.1
– 0.05
4.8– 0.25
1.05– 0.25
3.05– 0.25
1.778
0.5
–
0.1
0.9
–
0.25
Unit : mm
10.16– 0.25
28-Lead SDIP Package (SDIP028-P-0400A)
28 27 26 25 24 23 22 21 20 19 18 17 16 15
1 2 3 4 5 6 7 8 9 10 11 12 13 14
+–A
+–C +–E
+–B
+–D
+–F
BDE
EODEOD
E OD
EOD
L.S
+VCC
–VCCGND
n Block Diagram