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MAX3643ETG Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX3643ETG Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 15 page 155Mbps to 2.5Gbps Burst-Mode Laser Driver 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS OPERATING CONDITIONS Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Supply Voltage VCC ..............................................-0.5V to +4.0V Current into BIAS-, BIAS+, OUT-, OUT+ .......-20mA to +150mA Voltage at VMSET, VBSET, IN+, IN-, BEN+, BEN-, EN, MDIN, MDOUT, BENOUT, BCMON ...................-0.5V to (VCC + 0.5V) Voltage at MODSET, BIASSET, VREF, IMAX ........-0.5V to +3.0V Voltage at OUT-, OUT+, BIAS-, BIAS+ .....+0.3V to (VCC + 0.5V) Continuous Power Dissipation (TA = +85°C) 24-Pin TQFN, Multilayer Board (derate 27.8mW/°C above +85°C) ............................1807mW Operating Temperature Range ...........................-40°C to +85°C Storage Temperature Range ............................-55°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Soldering Temperature (reflow) Lead(Pb)-free..............................................................+260°C Containing lead(Pb) ....................................................+240°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Turn-On Time 10% to 90% 0.001 1000 ms Ambient Temperature -40 +85 °C Data Rate 2500 Mbps Voltage at VMSET, VBSET 0 1.4 V Voltage at BCMON 0 1.4 V Voltage at MDIN 0 2.56 V ELECTRICAL CHARACTERISTICS (VCC = 3.0V to 3.6V, TA = -40°C to +85°C. Typical values are at VCC = 3.3V, TA = +25°C, IBIAS = 20mA, IMOD = 30mA, unless other- wise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Current ICC Excluding laser bias and mode currents, max at IMOD = 85mA, IBIAS = 70mA 32 51 mA I/O SPECIFICATIONS LVPECL Differential Input VIN VIN = (VIN+) - (VIN-) 200 1600 mVP-P LVPECL Common-Mode Input Voltage VCM VCC - 1.49 VCC - 1.32 VCC - VIN / 4 V LVCMOS Output High Voltage IOH = -100µA VCC - 0.2 V LVCMOS Output Low Voltage IOL = 100µA 0.2 V BENOUT Propagation Delay Td CL = 20pF, from BEN zero crossing to 67% CMOS level 30 ns LVCMOS Input Pullup 75 k LVCMOS Input Current VIN = 0V or VIN = VCC 50 µA LVCMOS Input High Voltage 2.0 VCC V LVCMOS Input Low Voltage 0.2 0.8 V BIAS GENERATOR SPECIFICATIONS Bias Current Range IBIAS VBIAS+, VBIAS- 0.6V 1 70 mA Bias Current, Burst Off IBIAS, OFF BEN = low or EN = high 5 50 µA 1mA IBIAS < 2mA, VBSET = VREF 88 2mA IBIAS < 10mA, VBSET = VREF 70 88 110 BIASSET Current Gain GBIAS 10mA IBIAS < 70mA, VBSET = VREF 82.5 88 94.5 mA/mA |
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