Mitsubishi ML0131 Datasheet
DESCRIPTION
The laser driver IC were designed for use in
2.5Gb/s lightwave applications.
FEATURES
-High speed operation
tr/tf = 80ps (RL=25Ω)
-ECL/SCFL compatible interface
-Adjustable outout current
Iout = ˜60mA
-Low Power Dissipation
Vss = -5.2V, PD = 700mW
APPLICATION
- 2.5Gb/s optical transmitter
TYPICAL CHARACTERISTIC (Ta = 25ºC)
Output waveform (@2.5Gb/s)
Photograph of Laser Driver IC
Package Size : 9.6mm x 7.6mm x 1.6mm
10 mA/div. 100 ps/div.
CIRCUIT DIAGRAM
VIN
VREF
VT
+
GND
IOUT
VSSVT
-
Driverr
VMWA
IMON
V
MARK+VMARK-IMOD
Level
Shift
Mark
Density
Input Buffer
Vss = -5.2V, I
MOD
= 3.2mA (@2.5Gb/s), PN : 211-1
MITSUBISHI
ELECTRIC
(1/2) as of Sep. , 1997
MITSUBISHI SEMICONDUCTOR <GaAs digital IC>
FOR OPTICAL TRANSMITTER
Notice : This is not a final specification
Some parametric limits are subject to change.
PRELIMINARY
ML0131
2.5Gb/s LASER DRIVER
ABSOLUTE MAXIMUM RATINGS (Ta = 25ºC)
Symbol
V
SS
V
IN
Tc
T
stg
Parameter
Supply Voltage
Input Voltage
Operating Temperature
Storage Temperature
Ratings
-7.5
VSS to 0
-30 to +85
-65 to +150
unit
V
V
ºC
ºC
ELECTRICAL CHARACTERISTICS (Ta = 25ºC)
BLOCK DIAGRAM OF TEST SYSTEM
Laser driver IC
0.1µF
V
REF
50Ω
Data generator
VT
+
VT
-
1KΩ
GND
IMOD
-5.2V
VSS
1KΩ
-5.2V
GNDor-2V
VMARK
+
25Ω
GNDor-2V
VMARK+
VMAWAIMON
25Ω
OSC
-0.1µF
IOUT
Test Conditions
V
SS
= -5.2V
V
SS
= -5.2V
-5.46 -5.2 -4.94 V
Min Typ Max
unit
Limits
130 170 mA
V
mA
-0.5
mA
V
-
-
-
6040 -
3.5- -
V
SS
= -5.2V
V
SS
= -5.2V
- 80
-1.3
Symbol
VSS
ISS
V
REF
V
IN
I
OUT
I
MOD
tr
tf
Parameter
Supply voltage
Supply current
Input reference voltage
Input signal voltage
Output modulation curvent
Adjust modulation current
Rise time of modelation voltage
Fall time of modulation voltage
V
SS
= -5.2V
ECL
SCFL
ECL
SCFL
-
-
0.8
1.0
-
-
V
V
ps
ps
-
80
V
SS
= -5.2V
V
SS
= -5.2V
-
-
-
-
MITSUBISHI
ELECTRIC
(2/2) as of Sep. , 1997
MITSUBISHI SEMICONDUCTOR <GaAs digital IC>
FOR OPTICAL TRANSMITTER
Notice : This is not a final specification
Some parametric limits are subject to change.
PRELIMINARY
ML0131
2.5Gb/s LASER DRIVER
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