1.25 GB DF 850 nm D 550m LC

1.25Gbps SFP Optical Transceiver 500m LC DDM Feature: • Multi-sourced SFP package with dual LC/PC receptacles; • Multi-mode dual fibers transmission • Up to 550m with 50/125μm MMF;550M with 62.5/125μm MMF • AC coupled for Rx and Tx side • Two temperature ranges: 0°C to +70°C for commercial level, -40°C to +85°C for industrial level; • operates at data rate 1.25Gbps; • Complies with MIL-STD-883/GR-468 • Complies with lots of brands of switch such as cisco h3c……. • Can be with or without DDM Application: • Switch • Video monitor system Telecommunication system Absolute Maximum Ratings: Parameter Symbol Min Max Unit Storage Temperature TS -40 +85 ℃ Operating Temperature TOP Commercial level -20 +70 ℃ industrial level -40 85 Supply Voltage VCC -0.5 +4.5 V Voltage on Any Pin VIN 0 VCC V Soldering Temperature, Time - 260℃, 10 S ℃, S Operation Environment: Parameter Symbol Min. Typ Max. Unit Ambient Temperature T Commercial le 0 - 70 ℃ industrial level -40 85 Power Supply Voltage V -V CC EE 3 3.3 3.6 V Optical Characteristics: (Ambient Operating Temperature 0˚ C to +70˚ C, Vcc =3.3 V) Parameter Symbol Min. Typ Max. Unit Center Wavelength c 840 850 860 nm Spectral width △ VICSEL@RM - 0.85 nm Output Power 0~550m 850 Po -9 - -3 dBm Extinction Ratio ER 1.25G 9 - dB Supply Current ICCT - 150 mA Input Differential Impedance Rin 100 Ω Data Input Swing Differential Vin 300 1200 mV Optical Modulation Amplitude OMA 174 μW Transmit Disable Voltage VD 2.0 Vcc V Transmit Enable Voltage VEN 0 0.8 V Transmit Disable Assert Time 10 us Optical Rise/Fall Time Tr/ Tf (20-80%) 150 260 ps Deterministic Jitter Contribution TX ΔDJ 51.7 ps Total Jitter Contribution TX ΔTJ 90 ps Output Optical Eye IUT-T G.957 Compliant Parameter Symbol Min. Typ Max. Unit Wavelength Range c 760 860 nm Sensitivity 0~550m 1.25G Pin PMI - -18 -17 dBm MAX. Input Power (Saturation) PMAX -3 - - Signal Detect Assert PA - - -20 Signal Detect De-assert PD -24 - - Signal Detect Hysteresis PHYS 1 - 4 Supply Current ICCR - - 150 mA Data Output Swing Differential Vout 400 - 1000 mV Signal Detect Voltage - High VSDHC 2.0 - VCC V Signal Detect Voltage - Low VSDL 0 - 0.8 Notes: switch from a high state to a low state. Value of output power and sensitivity can be customized according to the demand Diagnostics: Parameter Range Accuracy Unit Calibration Temperature C -5 ~ 70 ±3 ºC Internal I -40 ~ 80 ±3 Voltage 0 ~ VCC 0.1 V Internal Bias Current 0 ~ 120 ±2 mA Internal Tx Power -5 ~ 0 ±1 dBm Internal Rx Power <0 ±1 dBm Internal Pin Description: Pin Descriptions Pin Descriptions 1 VEET Transmitter Ground (Common with Receiver Ground) 1 2 TFAULT Transmitter Fault. 2 3 TDIS Transmitter Disable. Laser output disabled on high or open. 3 4 MOD_DEF Module Definition 2. Data line for Serial ID. 4 5 MOD_DEF Module Definition 1. Clock line for Serial ID. 4 6 MOD_DEF Module Definition 0. Grounded within the module. 4 7 Rate Select No connection required 8 LOS Loss of Signal indication. Logic 0 indicates normal operation. 5 9 VEER Receiver Ground (Common with Transmitter Ground) 1 10 VEER Receiver Ground (Common with Transmitter Ground) 1 11 VEER Receiver Ground (Common with Transmitter Ground) 1 12 RD- Receiver Inverted DATA out. AC Coupled 13 RD+ Receiver Non-inverted DATA out. AC Coupled 14 VEER Receiver Ground (Common with Transmitter Ground) 1 15 VCCR Receiver Power Supply 16 VCCT Transmitter Power Supply 17 VEET Transmitter Ground (Common with Receiver Ground) 1 18 TD+ Transmitter Non-Inverted DATA in. AC Coupled. 19 TD- Transmitter Inverted DATA in. AC Coupled. 20 VEET Transmitter Ground (Common with Receiver Ground) 1 Recommended Application Circuit: Outline drawing (mm): Ordering information: Part Number Product Description 1.25DF850-550LAT SFP 1.25G 850nm 550m LC DDM