Key facts
- Brand
- Analog Devices
- Model
- ADN2870
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2022-11-25
Start here

Analog Devices ADN2870 Laser Diode Driver Data Sheet
The ADN2870 is a 3.3 V dual-loop laser diode driver designed for advanced SFP and SFF modules, compliant with SFP/SFF MSA and SFF-8472 digital diagnostics. It features dual-loop control of average power and extinction ratio to automatically compensate for variations in laser characteristics over temperature and aging, eliminating the need for expensive temperature calibration. The device supports single-rate operation from 50 Mbps to 3.3 Gbps or multirate operation from 155 Mbps to 3.3 Gbps.
Read onlineAnalog Devices ADN2870 specifications
| Operating Temperature Range | -40°C to +85°C |
|---|---|
| Supply Voltage | 3.0 V to 3.6 V |
| Bias Current Range | 2 mA to 100 mA |
| Modulation Current Range | 5 mA to 90 mA |
| Rise Time | 60 ps |
| Package Type | 4 mm × 4 mm LFCSP |
Source: Analog Devices ADN2870 Laser Diode Driver Data Sheet
All Analog Devices ADN2870 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the operating speed range of the ADN2870?
The device supports single-rate operation from 50 Mbps to 3.3 Gbps or multirate operation from 155 Mbps to 3.3 Gbps.
Does the ADN2870 require temperature calibration?
No, the laser only needs to be calibrated at 25°C because the device automatically compensates for variations over temperature and aging.
What is the operating speed range of the ADN2870?
The device supports single-rate operation from 50 Mbps to 3.3 Gbps or multirate operation from 155 Mbps to 3.3 Gbps.
Does the ADN2870 support automatic laser shutdown?
Yes, the device includes a laser fail alarm and automatic laser shutdown (ALS) feature.
