HA12209F View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

Manufacturer

HA12209F

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

Hitachi -> Renesas Electronics 

HA12209F

Pin Description, Equivalent Circuit (VCC=12V, Ta=25°C, No signal, The value in the

table show typical value.)

Pin No. Pin Name

52

AIN (R)

Note

Equivalent Circuit

V=V /2

CC

Pin Description

PB A deck input

48

AIN (L)

54

BIN (R)

45

BIN (L)

56

RIN (R)

44

RIN (L)

6

EQIN (R)

37

EQIN (L)

4

DET (R)

V = 2.6V

V

100k

VCC/2

VCC

PB B deck input

REC input

REC equalizer

input

Time constant

pin for Dolby-NR

V

39

DET (L)

49

RIP

V = VCC / 2

1

BIAS1

V = 0.6V

GND

Ripple filter

Dolby bias

current input

V

42

BIAS2

V = 1.3V

V

GND

REC equalizer

bias current input

GND

Rev.2, Jun. 1999, page 3 of 49

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