HA12215 Hitachi Semiconductor, HA12215 Datasheet - Page 7
HA12215
Manufacturer Part Number
HA12215
Description
Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)
Manufacturer
Hitachi Semiconductor
Datasheet
1.HA12215.pdf
(69 pages)
- Current page: 7 of 69
- Download datasheet (390Kb)
Block Diagram
ABO (R)
ABO (L)
ALC (R)
ALC (L)
RIN (R)
AIN (R)
BIN (R)
RIN (L)
BIN (L)
AIN (L)
GND
V
EE
NC
NC
43
44
45
46
47
48
49
50
51
52
53
54
55
56
42 41
1
2
40
3
39 38 37 36 35 34 33 32 31 30 29
4
5
Dolby
Dolby
B-NR
B-NR
EQ
EQ
6
+
7
LPF
8
9
10 11 12 13 14
BIAS
ALC
+
MS
Rev.5, Oct. 1999, page 7 of 69
28
27
26
25
24
23
22
21
20
19
18
17
16
15
MAOUT
MSIN
MSOUT
LM ON / OFF
REC / PB / PASS
NR ON / OFF
RM ON / OFF
V
BIAS ON / OFF
B NORM / CROM / METAL
NORM / HIGH
A 120 / 70
PB A / B
ALC ON / OFF
CC
HA12215F
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