HA12220 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HA12220

CD-ROM Drive Head Amplifier IC

Hitachi -> Renesas Electronics 

Pin Description and Equivalent Circuit (cont)

Pin No. Pin Name Equivalent Circuit

21

DFH

22

AGCO

23

AGCF

24

RFC

25

VCF

26

BYPS

27

V

—

CC

5k

5k

100k

4k

2k

4k

VCC

40k 4k

40k

GND

VCC

20k

HA12220F

Function

Defect envelope hold signal

output

AGC amplifier output

Capacitor connection for AGC

Capacitor connection for AGC

Capacitor connection for

reference voltage ripple filter

Capacitor connection for ripple

filter

V

CC

Rev.1, Apr. 1997, page 5 of 20

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