HA12215 View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

View to exact match

HA12215

Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System)

Hitachi -> Renesas Electronics 

Block Diagram

HA12215F

RIN (L)

ALC (L)

BIN (L)

ABO (L)

AIN (L)

GND

VEE

AIN (R)

ABO (R)

BIN (R)

ALC (R)

RIN (R)

42 41 40 39 38 37 36 35 34 33 32 31 30 29

43

44

NC 45

46

47

48

49

50

51

52

53

NC 54

55

56

EQ

Dolby

B-NR

+ LPF

Dolby

B-NR

EQ

BIAS

−

+

ALC

28

27

MS

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

MAOUT

MSIN

MSOUT

LM ON / OFF

REC / PB / PASS

NR ON / OFF

RM ON / OFF

VCC

BIAS ON / OFF

B NORM / CROM / METAL

NORM / HIGH

A 120 / 70

PB A / B

ALC ON / OFF

Rev.5, Oct. 1999, page 7 of 69

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