M61880FP Ver la hoja de datos (PDF) - MITSUBISHI ELECTRIC
Número de pieza
componentes Descripción
Fabricante
M61880FP Datasheet PDF : 11 Pages
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MITSUBISHI < DIGITAL ASSP >
M61880FP
Laser-diode driver / controller
SWITCHING CHARACTERISTICS (Ta=25°C,Vcc=5V)
Symbol
fop
tRP1
Parameter
Operating frequency
Circuit response time1
Test pin
Input
Output
Test condition
Limits
Unit
Min. Typ. Max.
100
Mbps
ILD=50mA, Rs=840Ω,
CH=0.047µF
Vr voltage LD current APC adjustment;
1
µS
RM=adjustment(CH=2.5V)
Vr=1.5V± 0.5% (Note1)
ILD=50mA, Rs=840Ω,
CH=0.047µF
tRP2
Circuit response time2
Vr voltage
LD current
APC adjustment;
RM=adjustment(CH=2.5V)
3
µS
Vr=1.5V± 2.5% (Note1)
tON
Circuit ON time
ENB voltage LD current ILD(H)=50mA (Note2)
tOFF
Circuit OFF time
ENB voltage LD current ILD(H)=50mA (Note2)
350 µS
5 µS
NOTE1:TEST CIRCUIT
NOTE2:TEST CIRCUIT
oscilloscope
(Input)
0.047µF CH
20Ω
PD
Vcc
RO
LD
oscilloscope
( Output )
P. G.
50Ω
Vr
840Ω
RS
PD
LD
ILD
Current probe
1RM S / H
RM 2RM DATA
ENB
GND
Other pins are open
0.047µF
20Ω
Vcc
CH
RO
1.5V
Vr
PD
840Ω
RS
LD
RM
1RM
S/H
DATA
2RM
PD
ILD
LD
oscilloscope
( Output )
Current probe
oscilloscope
( Input )
GNDENB
P.G.
50Ω t r=t f= 6ns
Other pins are open
TIMING CHARTS
TIMING CHARTS
1.5V± change value
1.5V
Vr voltage
0%
TRP1(TRP2) TRP1(TRP2)
ENB
voltage
1.5V
TON
LD current
90%
10%
ILD(H)
ILD(L)
LD
current
90 %
1.5 V
TOFF
10 %
3V
0V
ILD (H)
ILD (L)
( 6 / 11 )
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