m62457fp Mitsumi Electronics, Corp., m62457fp Datasheet - Page 8

• Manufacturer Part Number: m62457fp
• Description: Peak Hold Ic For 5 Band Spectrum Analayzer Displays
• Manufacturer: Mitsumi Electronics, Corp.

fn SELECT
(inside signal)
fn RESET
(inside signal)
< Outbreak automatic by inside circuit .>
PHout
Output select logic table
< Note1 >
< Note2 >
”0”=low level,”1”=high level,”X”=”0”or ”1”
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 )
GND(output stop)
PHout
(PinNo.15)
f5 ; 10.5KHz
f4 ; 3.4KHz
f2 ; 340Hz
f1 ; 105Hz
f3 ; 1KHz
GND
GND
GND
ENB
Ts(30µSec.MAX)
0
1
1
1
1
1
1
1
1
< SELECT state >
Peak hold IC for 5 band spectrum analayzer displays
SELA
1
1
1
0
0
1
X
0
0
90%
SELB
X
0
0
0
1
0
1
1
1
MITSUBISHI SOUND PROCESSOR ICs
SELC
1
X
1
1
0
1
0
0
0
Tr(25µSec.TYP)
Don`t Care
Note
M62457FP
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