OEM Optical 25G SFP28 Transceiver BIDI 1270nm 10Km LC Duplex Connector
OEM Optical 25G SFP28 Transceiver BIDI 1270nm 10Km LC Duplex Connector
25G SFP28 BIDI 1270/1330nm 1330/1270 10Km OEM Optical Transceiver
Product Descriptions
This BIDI transceiver is intended for 10km reach service from 24.33Gb/s to 25.78Gb/s single mode high-speed communications equipment where low-cost, extraordinary performance and reliability are essential.
The differential AC coupled Tx and Rx data interfaces are CML compatible. The device is Class I laser safety compliant.
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Max. | Unit | Note |
| Supply Voltage | Vcc | -0.5 | 4.0 | V | |
| Storage Temperature | Ts | -40 | 85 | °C | |
| Relative Humidity | RH | 0 | 85 | % |
Note: Stress in excess of the maximum absolute ratings can cause permanent damage to the module
Gereral Operating Characteristics
| Parameter | Symbol | Min. | Typ | Max. | Unit | Note |
| Data Rate | 25.78 | Gb/s | ||||
| Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V | |
| Supply Current | Icc | 450 | mA | |||
| Operating Case Temp. | Tc | 0 | 70 | °C |
Electrical Input/Output Characteristics
| Parameter | Symbol | Min. | Typ | Max. | Unit | Note | |
| Transmitter | |||||||
| Diff. input voltage swing | 120 | 820 | mVpp | 1 | |||
| Tx Disable input | H | VIH | 2.0 | Vcc+0.3 | V | ||
| L | VIL | 0 | 0.8 | ||||
| Tx Fault output | H | VOH | 2.0 | Vcc+0.3 | V | 2 | |
| L | VOL | 0 | 0.8 | ||||
| Input Diff. Impedance | Zin | 100 | Ω | ||||
| Parameter | Symbol | Min. | Typ | Max. | Unit | Note | |
| Receiver | |||||||
| Diff. output voltage swing | 340 | 650 | 800 | mVpp | 3 | ||
| Rx LOS Output | H | VOH | 2.0 | Vcc+0.3 | V | 2 | |
| L | VOL | 0 | 0.8 | ||||
Note 1) TD+/- are internally AC coupled with 100Ω differential termination inside the module.
Note 2) Tx Fault and Rx LOS are open collector outputs, which should be pulled up with 4.7k to 10kΩ resistors on the host board. Pull up voltage between 2.0V and Vcc+0.3V.
Note 3) RD+/- outputs are internally AC coupled, and should be terminated with 100Ω (differential) at the user SERDES.
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