HA12175 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HA12175

Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)

Hitachi -> Renesas Electronics 

HA12173 Series

Pin Description (VCC = 9 V Single supply, Ta = 25°C, No signal, The value in the table

show typical value) (cont)

Pin No.

21

Terminal

name

MS OUT

DC

Zin voltage Equivalent circuit

—

—

MS VCC

Description

Music sensor

output to MPU

22

VCC

—

VCC

—

23

MS V

CC

20

D GND

—

0V

—

27

MS GND

49, 50

48, 51

GND

FIN

—

VCC/2

46, 53

RIN

45, 54

NFI

28

NOI

29

FFI

D GND

Power supply

Digital (Logic)

ground

Music sensor

ground

Ground

PB - EQ input for

forward

PB - EQ input for

reverse

Negative

feedback

terminal of PB -

EQ amp.

Negative

feedback input

for normal speed

Negative

feedback input

for FF or REW

Rev.1, Nov. 1992, page 5 of 66

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