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MAX3710 Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX3710 Datasheet(HTML) 6 Page - Maxim Integrated Products |
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6 / 58 page  6 125Mbps to 2.5Gbps, Integrated Limiting Amplifier/ Burst Mode Laser Driver with Dual-Loop Power Control MAX3710 ELECTRICAL CHARACTERISTICS (continued) (VCC = 2.97V to +3.63V, TA = -40°C to +95°C; CML receiver output is AC-coupled to differential 100Ω load; registers are set to default values, unless implied by test conditions. Typical values are at VCC = +3.3V, TA = +25°C, data rate = 2.5Gbps, IBIAS = 20mA, and IMOD = 40mA, unless otherwise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS MD Current Monitor/BMON Activation Time From the rising edge of the final SCL clock of the 3-wire cycle to 90% of steady state at BMON 100 ns SAFETY FEATURES Fault Threshold Voltage at TOUT VTOUT Fault always occurs for VTOUT < 0.35V, fault never occurs for VTOUT R 0.55V 0.35 0.55 V Fault Threshold Voltage at MDIN VMDIN Fault always occurs for VMDIN < 0.3V, fault never occurs for VMDIN R 0.5V 0.3 0.5 V Fault Threshold Voltage at IOUT Fault always occurs for VIOUT < VCCTO - 1.7V, fault never occurs for VIOUT R VCCTO - 1.45V, VCCTO = 3.3V VCCTO - 1.7 VCCTO - 1.45 V Warning Threshold Voltage at BEN (Differential Voltage) Warning occurs if |(BEN+) - (BEN-)| < 20mV and never occurs if |(BEN+) - (BEN-)| R 100mV 20 100 mV Warning Threshold Voltage at BEN (Common-Mode Voltage) Warning occurs if both BEN+ and BEN- fall below 880mV 880 mV Fault Threshold Voltage at VCCTO Fault always occurs for VCCTO < 2V; fault never occurs for VCCTO R 2.95V 2 2.95 V Maximum Laser Current in Disable State or Burst-Off State Combined total current into TOUT during fault, DISABLE = 1, TX_EN = 0, or BEN = 0 100 F A Tx TIMING SPECIFICATIONS DPC Loop Initialization Time tAPCINIT IBIAS = 40mA and IMOD = 60mA, IBIAS_INT = 8mA, time from restart to IBIAS and IMOD at 90% of steady state 3 F s Burst Enable Time tBSTART Time from 50% of BENQ input signal to IBIAS and IMOD at 90% of steady state (Note 2) 2 ns Burst Disable Time tBSTOP Time from 50% of BENQ input signal to IBIAS and IMOD at 10% of steady state (Note 2) 2 ns Minimum Burst-On Time to Update BIAS and MOD tBRSTON MDON_DLY[1:0] = 00 (Note 2) 60 100 ns Minimum Burst-Off Time to Update BIAS and MOD tBRSTOFF (Note 2) 110 200 ns DISABLE Assert Time tOFF Time from rising edge of DISABLE input signal to IBIAS and IMOD at 10% of steady state (Note 2) 30 100 ns |
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Similar Description - MAX3710 |
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