HA12226F データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA12226F

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

Hitachi -> Renesas Electronics 

HA12226F/HA12227F

Pin Description, Equivalent Circuit (VCC = 12 V, A system of single supply voltage,

Ta = 25°C, No Signal, The value in the show typical value.) (cont)

Pin No. Terminal Name Note

10

GPCAL

R = 110 kΩ

Equivalent Circuit

R

2.5 V

Pin Description

GP gain calibration

terminal

11

RECCAL

12

ALCCAL

14

MSDET

R = 110 kΩ

R = 140 kΩ

n=6

0 µA

n

REC gain calibration

terminal

ALC operation level

calibration terminal

VCC

Time constant pin for

MS *1

13

ALCDET

27

MSIN

n=2

R = 50 kΩ

GND

VCC

MS input *1

9

ALCIN (R)

34

ALCIN (L)

30

MAI

R = 100 kΩ

V=V /2

CC

29

MS GND

55

ALC (R)

V=0V

V=0V

V

R

VCC/2

MAOUT

100 k

V

MAI 8.2 k

VCC/2

VCC

MS Amp. input *1

MS output voltage

level control pin *1

Variable impedance

for attenuation

44

Note:

ALC (L)

1. MS: Music Sensor

2. Non connection regarding the HA12227F.

3. Test pin regarding the HA12227F.

Rev.6, Dec. 2000, page 6 of 86

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