HA12188AF 查看數據表（PDF） - Hitachi -> Renesas Electronics

零件编号

产品描述 (功能)

比赛名单

HA12188AF

Pre-amplifier and servo IC for quadruple-speed CD-ROM

Hitachi -> Renesas Electronics 

HA12188AF

Pin Descriptions and Equivalent Circuits (cont)

Pin No.

32

Symbol

FOK

Equivalent Circuit

VCC

20 k

Function

FOK comparator output

33

MIRH

34

RFA

35

BYPS

100 k

40 k

18 k

20 k

Mirror hold signal output

RF signal AC input

Capacitor connection for ripple filter

36

ISET

Resistor connection for programming

reference current

37

PGND —

38

RFO

39

RS1

18 k

40 k

Pre-amplifier ground

RF signal output

RS1 switch

Rev.1, Oct. 1995, page 6 of 35

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