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MAX3946ETG+ Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX3946ETG+ Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 28 page 2 ______________________________________________________________________________________ 1.0625Gbps to 11.3Gbps, SFP+ Laser Driver with Laser Impedance Mismatch Tolerance 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. VCC, VCCT, VCCD ................................................-0.3V to +4.0V Current Into TOUT+ and TOUT-.................................... +100mA Current Into TIN+ and TIN- ............................. -20mA to +20mA Voltage Range at TIN+, TIN-, DISABLE, SDA, SCL, CSEL, FAULT, BMAX, BMON, and BIAS...................... -0.3V to (VCC + 0.3V) Voltage Range at BIAS........................................................-0.3V to VCC Voltage Range at TOUT+ and TOUT-....(VCC - 1.3V) to (VCC + 1.3V) Current into BIAS.........................................................................+130mA Continuous Power Dissipation (TA = +70NC) 24-Pin TQFN (derate 27.8mW/NC above +70NC).......2222mW Storage Temperature Range .......................... -55NC to +150NC Die Attach Temperature .................................................+400NC Lead Temperature (soldering, 10s) ................................+300NC Soldering Temperature (reflow) ......................................+260NC ELECTRICAL CHARACTERISTICS (VCC = +2.85V to +3.63V, TA = -40°C to +85°C, and Figure 1. Guaranteed by design and characterization from TA = -40°C to +95°C. Typical values are at VCC = +3.3V, IBIAS = 60mA, IMOD = 40mA, 25I differential output load, and TA = +25°C, unless otherwise noted.) (Note 1) ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER SUPPLY Power-Supply Current ICC Excludes output current through the exter- nal pullup inductors (Note 2) 68 90 mA Power-Supply Voltage VCC 2.85 3.63 V Power-Supply Noise DC to 10MHz 100 mVP-P 10MHz to 20MHz 10 POWER-ON RESET VCC for Enable High 2.55 2.75 V VCC for Enable Low 2.3 2.45 V DATA INPUT SPECIFICATION Input Data Rate 1 10 11.3 Gbps Differential Input Voltage VIN TXEQ_EN = high, launch amplitude into FR4 transmission line P 5.5in 0.19 0.7 VP-P TXEQ_EN = low 0.15 1.0 Differential Input Resistance RIN 75 100 125 I Differential Input Return Loss SDD11 Part powered on, f P 10GHz 12 dB Common-Mode Input Return Loss SCC11 Part powered on, 1GHz P f P 10GHz 10 dB BIAS GENERATOR Maximum Bias Current IBIASMAX Current into BIAS pin, DISABLE = low, and TX_EN = high 80 mA Minimum Bias Current IBIASMIN Current into BIAS pin, DISABLE = low, and TX_EN = high 5 mA Bias-Off Current IBIAS-OFF Current into BIAS pin, DISABLE = high or TX_EN = low or SET_BIAS = H0x00; BIAS pin voltage at VCC 100 F A |
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