ML0131 MITSUBISHI | Alldatasheet
Document overview
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Technical content
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 VMARK+ VMARK- IMOD Level Shift Mark Density Input Buffer Vss = -5.2V, IMOD = 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 VSS VIN Tc Tstg 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 VREF 50Ω Data generator VT+ VT- 1KΩ GND IMOD -5.2VVSS 1KΩ -5.2V GNDor-2V VMARK + 25Ω GNDor-2V VMARK+ VMAWAIMON 25Ω OSC -0.1µF IOUT Test Conditions VSS = -5.2V VSS = -5.2V -5.46 -5.2 -4.94 V Min Typ Max unitLimits 130 170 mA V mA -0.5 mA V 6040 - 3.5- - VSS = -5.2V VSS = -5.2V - 80 -1.3 Symbol VSS ISS VREF VIN IOUT IMOD 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 VSS = -5.2V ECL SCFL ECL SCFL - 0.8 1.0 V V ps ps- 80 VSS = -5.2V VSS = -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