ADN2870ACPZ Laser Drivers by Analog Devices

Status: Production
Series: ADN2870
RoHS: Compliant
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The ADN28701 laser diode driver is designed for advanced SFP and SFF modules, using SFF-8472 digital diagnostics. The devicefeatures dual-loop control of the average power and extinction ratio, which automatically compensates for variations in laser characteristics over temperature and aging. The laser needs only to be calibrated at 25°C, eliminating the expensive and time consuming temperature calibration. The ADN2870 supports single-rate operation from 50 Mbps to 3.3 Gbps or multirate operation from 155 Mbps to 3.3 Gbps.Average power and extinction ratios can be set with reference voltages provided by a microcontroller DAC or by adjustable resistors. The ADN2870 provides bias and modulation current monitoring as well as fail alarms and automatic laser shutdown. The device interfaces easily with the ADuC702x family ofMicroConverters® and with the ADN289x family of limiting amplifiers to make a complete SFP/SFF transceiver solution. AnSFP reference design is available. The product is available in a space-saving 4 mm × 4 mm LFCSP specified over the −40°C to+85°C temperature range.

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Features

SFP/SFF MSA and SFF-8472 compliant
SFP reference design available
50 Mbps to 3.3 Gbps operation
Dual-loop control of average power and extinction ratio
Typical rise/fall time 60 ps
Bias current range 2 mA to 100 mA
Modulation current range 5 mA to 90 mA
Laser FAIL alarm and automatic laser shutdown (ALS)
Bias and modulation current monitoring
3.3 V operation
4 mm × 4 mm LFCSP
Voltage setpoint control
Resistor setpoint control
RoHS compliant


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Where can I find additional details, specifications and documents for a ADN2870ACPZ?

Additional datasheets, footprints and schematics for ADN2870ACPZ are listed on our Part Details page. You can also find images and similar parts to ADN2870ACPZ on this page.

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What category does ADN2870ACPZ fall under?

The ADN2870ACPZ is listed under Laser Drivers.

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Is the ADN2870ACPZ RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

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