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( File format: PDF, 870 KB )
155 Mbps to 4.25 Gbps Laser Driver
Texas Instruments

Description
The ONET4201LD is a laser driver for multiple fiber optic applications up to 4.25 Gbps. The device accepts CML input data and provides bias and modulation currents for driving a laser diode. Also provided are automatic power control (APC), temperature compensation of modulation current, fault detection, and current monitor features. The device is available in a small footprint 4 mm 4 mm 24-pin QFN package. The circuit requires a single 3.3-V supply. This power efficient laser driver is characterized for operation from -40C to 85C.
Features
Multi-Rate Operation From 155 Mbps up to 4.25 Gbps Bias Current Programmable From 1 mA to 100 mA Modulation Current Programmable From 5 mA to 85 mA APC and Fault Detection Fault Mode Selection Bias and Photodiode Current Monitors CML Data Inputs Temperature Compensation of Modulation Current Single 3.3-V Supply Active Back-Termination at the Output Surface Mount Small Footprint 4 mm 4 mm 24-Lead QFN Package APPLICATIONS SONET/SDH Transmission Systems Fibre Channel Optical Modules Fiber Optic Data Links Digital Cross-Connects Optical Transmitters

Related Datasheets
Part Number Description Category
? ?ONET2511TA ONET2511TA: 2.5 GBPS Transimpedance Amplifier With RSSI EDA - Embedded Systems Design
? ?ONET2591TA 2.5 Gbps Transimpedance Amplifier with AGC and RSSI EDA - Embedded Systems Design
? ?ONET4201PA 155 Mbps to 4.25 Gbps Limiting Amplifier With LOS and RSSI EDA - Embedded Systems Design
? ?ONET4211LD 155 Mbps to 4.25 Gbps Laser Driver (Rev. A) EDA - Embedded Systems Design
? ?ONET4291TA 4.25 Gbps Transimpedance Amplifier with AGC and RGGI EDA - Embedded Systems Design
? ?ONET4291VA 1.0 Gbps to 4.25 Gbps Multi-Rate VCSEL Driver EDA - Embedded Systems Design



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