HA12209F Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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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.) (cont)

Pin No.

10

Pin Name

PB A/B

Note

I = 20µA

Equivalent Circuit

I

V

22k

Pin Description

Mode control

input

11

A 120/70

12

NORM/HIGH

14

B 120/70

16

BIAS

ON/OFF

17

RM ON/OFF

19

NR ON/OFF

20

REC/PB

21

LM ON/OFF

22, 23

50, 51

VCC

GND

V = VCC

V = 0V

2, 7, 9, 13, NC

15, 18, 24,

28, 30, 34,

36, 41, 43,

47, 55

100k

GND

Power supply

GND pin

No connection

Rev.2, Jun. 1999, page 6 of 49

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