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DS1862AB+TR Datasheet(PDF) 6 Page - Maxim Integrated Products |
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DS1862AB+TR Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 42 page XFP Laser Control and Digital Diagnostic IC 6 _______________________________________________________________________________________ AC ELECTRICAL CHARACTERISTICS—SOFT* CONTROL AND STATUS (VCC3 = +2.9V to +5.5V, VCC2 = +1.6V to +3.6V, TA = -40°C to +100°C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SOFT TX-D Assert Time tOFF_SOFT IBIAS and IMOD below 10% of nominal 50 ms SOFT TX-D Deassert Time tON_SOFT IBIAS and IMOD above 90% of nominal 50 ms SOFT P-DOWN/RST Assert Time tPDR-ON_SOFT IBIAS and IMOD below 10% of nominal 50 ms SOFT P-DOWN/RST Deassert Time tPDR-OFF_SOFT IBIAS and IMOD above 90% of nominal 200 ms Soft MOD-NR Assert Delay tMOD-NR-ON _SOFT Time from fault to MOD-NR assertion 50 ms Soft MOD-NR Deassert Delay tMOD-NR-OFF _SOFT Time from read (clear flags) to MOD-NR deassertion 50 ms Soft RX_LOS Assert Time tLOS- ON_SOFT Time from SC-RX-LOS assertion to RX-LOS assertion 50 ms Soft RX_LOS Deassert Time tLOS- OFF_SOFT Time from SC-RX-LOS deassertion to RX-LOS deassertion 50 ms Analog Parameter Data Ready (DATA-NR) 500 ms * All SOFT timing specifications are measured from the falling edge of STOP signal during I2C communication. ANALOG INPUT CHARACTERISTICS (VCC3 = +2.9V to +5.5V, TA = -40°C to +100°C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS IBMD Configurable Source or Sink (+/-) 0.05 1.50 mA Source mode 2.0 IBMD Voltage (IBMD - 0μA) VBMD Sink mode IBMD range 0 to 1.5mA 1.2 V IBMD Input Resistance RBMD 400 550 700 A/D INPUT VOLTAGE MONITORING (IBIASMON, AUX2MON, AUX1MON, RSSI, BMD) (VCC3 = +2.9V to +5.5V, TA = -40°C to +100°C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Resolution VMON 610 μV Supply Resolution VCC2/3 1.6 mV Input/Supply Accuracy ACC At factory setting 0.25 0.5 %FS tFRAME1 AUX1MON and AUX2MON disabled 48 52 Update Rate tFRAME2 All channels enabled 64 75 ms Input/Supply Offset VOS (Note 4) 0 5 LSB Full-Scale Input (IBIASMON and RSSI) At factory setting 2.4875 2.5 2.5125 V Full-Scale Input (AUX1MON, AUX2MON, VCC2, VCC3) At factory setting (Note 9) 6.5208 6.5536 6.5864 V BMD (Monitor) (TX-P) FS setting 1.5 mA |
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