HA12155NT データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA12155NT

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

18

47

Terminal

name

Zin

HLS DET —

DC

voltage

2.3 V

Equivalent circuit

Description

Time constant pin for

rectifier

19

LLS DET

46

57

BIAS

—

0.28 V

25

IREF

—

1.2 V

GND

Dolby NR Reference

current input

EQ Reference current

input

27

FM

28

fQ

29

f/Q

30

GH

31

GL

32

GP

EQ Parameter current

input

Rev.4, Jun. 1997, page 11 of 57

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