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ADN2890

Features: SFP reference design available Input sensitivity: 3 mV p-p 80 ps rise/fall times CML outputs: 700 mV p-p differential Programmable LOS detector: 2 mV to 13 mV Rx signal strength indicator (RSSI):SFF-8472 compliant average power measurement Single-supply operation: 3.3 V Low power dissipa...

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SeekIC No. : 004276227 Detail

ADN2890: Features: SFP reference design available Input sensitivity: 3 mV p-p 80 ps rise/fall times CML outputs: 700 mV p-p differential Programmable LOS detector: 2 mV to 13 mV Rx signal strength indicator ...

ADN2890 Data Sheet

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Part Number:
ADN2890
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

SFP reference design available
Input sensitivity: 3 mV p-p
80 ps rise/fall times
CML outputs: 700 mV p-p differential
Programmable LOS detector: 2 mV to 13 mV
Rx signal strength indicator (RSSI):SFF-8472 compliant average power measurement
Single-supply operation: 3.3 V
Low power dissipation: 130 mW
Available in space-saving 3 mm × 3 mm 16-lead LFCSP




Application

SFP/SFF/GBIC optical transceivers
OC-3/12/48, GbE, Fibre Channel receivers
10GBASE-LX4 transceivers
WDM transponders





Pinout

Connection Diagram

ADN2890 Diagram




Specifications

Parameter Rating
Supply Voltage 4.2 V
Minimum Input Voltage (All Inputs) VEE − 0.4 V
Maximum Input Voltage (All Inputs) VCC + 0.4 V
Storage Temperature −65°C to +155°C
Operating Temperature Range −40°C to +85°C
Lead Temperature Range (Soldering 10 s) 300°C
Junction Temperature 125°C

Data Rate (Gb/s) 3.2Gbps
Voltage Supply (V) +3.3V
Package 3x3 mm LFCSP
Input Sensitivity (mVp-p) 3mV p-p
Power Dissipation (mW) 130mW
Jitter (rms) 2.4s rms
Output Levels (mVpp diff) 700mV p-p
Squelch X
LOS 3mV to 12mV
RSSI X





Description

The ADN2890 is a high gain, limiting amplifier optimized foruse in SONET, Gigabit Ethernet (GbE), and Fibre Channeloptical receivers that accept input levels of up to 2.0 V p-p differential and have 3 mV p-p differential input sensitivity. The product provides the receiver functions of quantization and loss of signal (LOS) detection. The ADN2890 can easily operate at up to 3.2 Gb/s to support LX4 transceivers.The limiting amplifier also measures average received power based on a direct measurement of the photodiode current with better than 1 dB of accuracy over the entire input range of the receiver. This eliminates the need for external average Rx power detection circuitry in SFF-8472 compliant optical transceivers.

The ADN2890 limiting amplifier operates from a single 3.3 Vsupply, has low power dissipation, and is available in a spacesaving 3 mm × 3 mm 16-lead lead frame chip scale package (LFCSP).






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