ADN2820: 10.7 Gbps Low Noise, High Gain Transimpedance Amplifier IC with Performance Monitor

ADN2820 Data Sheet Rev 0, 11/2003 (pdf 798kB)

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Model	Package	Price* (100-499)	Price* 1000 pcs
ADN2820ACHIPS Status: Production	CHIPS OR DIE	$33.40	$30.36

The ADN2820 is a compact, high performance SiGe transimpedance amplifier (TIA) optimized for 10 Gbps metro access and Ethernet applications. It is a single-chip solution for detecting photodiode current with a high gain differential output voltage for use in any optical module. With exceptionally low input noise and a high transimpedance, the ADN2820 can directly drive a CDR or transceiver without need of an external post amplifier. Not only is overall performance augmented by the elimination of noise contribution from the post amplifier, but design complexity is simplified and manufacturability improved with reduced space and power consumption. The feature set of the ADN2820 includes functionality previously found in post amplifiers, providing the same level of flexibility as more complex solutions. Slice (offset) adjust is included to minimize duty cycle distortion, while an analog power monitor is incorporated to enable loss of power alarms.

The ADN2820 operates from a single power supply at +3.3V. It is available in die form.

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FEATURES and BENEFITS

Technology: high performance SiGe
Bandwidth: 9 GHz
Input noise current density: 1.0 ¥ìA
Optical sensitivity: .19.3 dBm
Differential transimpedance: 5000 V/A
Input current overload: 2.8 mA p-p

Power dissipation: 200 mW
Linear input range: 0.15 mA p-p
Output resistance: 50 O/side
Output offset adjustment range: 240 mV
Average input power monitor: 1 V/mA
Die size: 0.87 mm ´ 1.06 mm

Functional Block Diagram for ADN2820

Functional Block Diagram for ADN2820

Documentation

Title	Content Type	File Type
ADN2820: 10.7 Gbps, 3.3V Low Noise, TIA With Average Power Monitor Data Sheet (Rev 0, 11/2003) (pdf, 798 kB)	Data Sheets	PDF
RAQs index	Rarely Asked Questions	HTML
Glossary of EE Terms	Glossary	HTML

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Model	Package	Pins	Temp. Range	Packing, Qty	Price*(100-499)	Price*1000 pcs	RoHS	View PCN/ PDN	Check Inventory/ Purchase/Sample
ADN2820ACHIPS Status: Production	CHIPS OR DIE	0	Ind	Tray, 360	$33.40	$30.36	Y Material Info	PCN	Contact ADI

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.