M62457FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M62457FP

Peak hold IC for 5 band spectrum analayzer displays

MITSUBISHI ELECTRIC  

Output select logic table

MITSUBISHI SOUND PROCESSOR ICs

M62457FP

Peak hold IC for 5 band spectrum analayzer displays

PHout

(PinNo.15)

GND(output stop)

GND

f1 ; 105Hz

f2 ; 340Hz

GND

f3 ; 1KHz

GND

f4 ; 3.4KHz

f5 ; 10.5KHz

ENB

0

1

1

1

1

1

1

1

1

SELA

X

0

0

0

0

1

1

1

1

SELB

X

0

0

1

1

0

0

1

1

SELC Note

X

Don`t Care

0

1

0

1

0

1

0

1

< Note1 >

”0”=low level,”1”=high level,”X”=”0”or ”1”

< Note2 >

you hold the output setting stare by more than 30µSec for a long time

(When the output setting stare is short, movement of output value and reset

signal become instable )

90%

PHout

fn SELECT

(inside signal)

Ts(30µSec.MAX)

< SELECT state >

fn RESET

(inside signal)

< Outbreak automatic by inside circuit .>

Tr(25µSec.TYP)

( 8 / 12 )

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