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ADN2871 Datasheet (PDF) - Analog Devices

ADN2871 Datasheet PDF - Analog Devices
Part # ADN2871
Download  ADN2871 Download

File Size   797.81 Kbytes
Page   20 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description 3.3 V, 50 Mbps to 4.25 Gbps Single-Loop Laser Diode Driver

ADN2871 Datasheet (PDF)

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ADN2871 Datasheet PDF - Analog Devices

Part # ADN2871
Download  ADN2871 Click to download

File Size   797.81 Kbytes
Page   20 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description 3.3 V, 50 Mbps to 4.25 Gbps Single-Loop Laser Diode Driver

ADN2871 Datasheet (HTML) - Analog Devices

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ADN2871 Product details

GENERAL DESCRIPTION
The ADN2871 laser diode driver is designed for advanced SFP and SFF modules, using SFF-8472 digital diagnostics. The ADN2871 supports operation from 50 Mbps to 4.25 Gbps.
Average power and extinction ratio can be set with a voltage provided by a microcontroller DAC or by a trimmable resistor or digital potentiometer. The average power control loop is implemented using feedback from a monitor photodiode. The part provides bias and modulation current monitoring as well as fail alarms and automatic laser shutdown (ALS). The device interfaces easily with the Analog Devices, Inc. ADuC70xx family of MicroConverters® and with the ADN289x family of limiting amplifiers to make a complete SFP/SFF transceiver solution. An SFP reference design is available. The product is pin-compatible with the ADN2870 dual-loop LDD, allowing one PC board layout to work with either device. For dual-loop applications, refer to the ADN2870 data sheet.
The product is available in a space-saving 4 mm × 4 mm LFCSP specified over the −40°C to +85°C temperature range.
Figure 1 shows an application diagram of the voltage setpoint control with single-ended laser interface. Figure 36 shows a differential laser interface.

FEATURES
  SFP/SFF and SFF-8472 MSA-compliant
  SFP reference design available
  50 Mbps to 4.25 Gbps operation
  Automatic average power control
  Typical rise/fall time 60 ps
  Supports VCSEL, DFB, and FP lasers
  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
  Pin-compatible with ADN2870
 
APPLICATIONS
  1×/2×/4× Fibre Channel SFP/SFF modules
  Multirate OC3 to OC48-FEC SFP/SFF modules
  LX-4 modules
  DWDM/CWDM SFP modules
  1GE SFP/SFF transceiver modules
  VCSEL, DFB, and FP transmitters




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About Analog Devices


Analog Devices, Inc. (ADI) is a publicly traded company that designs, develops, and manufactures high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs).
The company was founded in 1965 and is headquartered in Norwood, Massachusetts.
ADI serves a wide range of industries, including aerospace and defense, automotive, communications, consumer, industrial, medical, and test and measurement.
The company's product portfolio includes data converters, amplifiers and comparators, power management ICs, microcontrollers, sensors, and radio frequency (RF) and microwave components, among others.
ADI is dedicated to innovation and customer satisfaction, and is committed to providing its customers with high-quality, reliable solutions to meet their needs.
With a focus on energy efficiency and sustainability, ADI is a leader in the analog and mixed-signal IC industry, driving technological advancements and providing innovative solutions to the world's most challenging problems.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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