M66515 Ver la hoja de datos (PDF) - Mitsumi
Número de pieza
componentes Descripción
Fabricante
M66515 Datasheet PDF : 7 Pages
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MITSUBISHI 〈DIGITAL ASSP〉
M66515FP
LASER-DIODE DRIVER/CONTROLLER
NOTE3: TEST CIRCUIT
NOTE4: TEST CIRCUIT
VCC
Oscilloscope (Output)
RO
CH
LD
3kΩ RS
PD
1.2V
Vr
S/H
1RM DATA
RM
2RM ENB
GND
Other pins are opened
18Ω
18Ω
IPD
18Ω
VCC
RO
Oscilloscope (Input)
CH
PD
300Ω RS
LD
P.G.
50Ω
tr= tf= 6ns
1RM S/H
RM 2RM DATA
GND ENB
Other pins are opened
PD
ILD
50Ω
LD
Oscilloscope (Output)
Current probe
Oscilloscope (Input)
P.G.
tr= tf= 6ns
TIMING CHARTS
S/H voltage
1.5V
t RP3
3.0V
CH voltage
High impedance 0.4V
TIMING CHARTS
3V
ENB voltage
0V
VOH
VOL LD current
1.5V
t ON
90%
1.5V
t OFF
10%
3V
0V
ILD(H)
ILD(L)
APPLICATION EXAMPLE
RM
1RM
2RM
11 12
Vref
5
PD
LD
15 17
18Ω
Data stream
RO
19
Sample-hold
signal
Differential
amp
Reference
volttage source
(1.2V typ)
1µF
1MΩ
300Ω
Vr
6
S/H
8
CH
7
470Ω
3
RB
VB
4
1
RS
Sample-hold
circuit
IPD
IB
Bias current
source (IB)
30mA max.
IB+ISW
Current switching
circuit
14
DATA
ISW
Switching current
source (ISW)
120mA max.
9 VCC1
20 VCC2
2 GND1
16 GND2
13 ENB
Control signal
7
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