HA12155 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HA12155

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

Hitachi -> Renesas Electronics 

HA12155NT/HA12157NT

Pin Description (VCC = 14 V, Ta = 25°C, No signal, the value in the table show typical

value) (cont)

Pin No.

DP-64S

17

48

Terminal

name

Zin

CCR

—

DC

voltage

V /2

CC

Equivalent circuit

Description

Current controled

resistor output

11

IA OUT —

VCC/2

54

Input amp output

VCC

13

VREF

52

14

PB OUT

51

16

SS 2

49

20

REC OUT

45

26

EQ OUT

39

GND

Reference voltage

buffer output

Play back (Decode)

output

Spectral skewing

amp. output

Recording (Encode)

output

Equalyzer output

Rev.4, Jun. 1997, page 10 of 57

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