HA12203NT データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA12203NT

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

Hitachi -> Renesas Electronics 

HA12203NT/HA12204NT

Pin Description, Equivalent Circuit

Pin No. Terminal Name

2

AIN (R)

(VCC = ±7 V, Ta = 25ºC, No Signal, The value in the show typical value.)

Note

V = GND

Equivalent Circuit

Pin Description

PB A Deck input

41

AIN (L)

4

BIN (R)

39

BIN (L)

6

RIN (R)

37

RIN (L)

10

EQIN (R)

33

EQIN (L)

7

DET (R)

V

100k

V = GND

V = GND

V = GND

V = V +2.7V

EE

GND

PB B Deck input

REC input

REC equalizer input

VCC Time constant pin

for Dolby-NR

V

36

DET (L)

5

BIAS1

V = VEE+0.6V

VEE

Dolby bias current

input

38

BIAS2

V

V = V +1.3V

EE

V

VEE

REC equalizer bias

current input

VEE

Rev.3, Jun. 1999, page 3 of 97

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