vsc7773 Vitesse Semiconductor Corp, vsc7773 Datasheet

vsc7773

Manufacturer Part Number

vsc7773

Description

1 To 4 Gbps Transimpedance Amplifiers With Photocurrent Monitor Semiconductor Corporation

Manufacturer

Vitesse Semiconductor Corp

Datasheet

1.VSC7773.pdf (2 pages)

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1 to 4 Gbps TIA

P R O D U C T F A M I L Y :

VSC7773 VSC7970

VSC7971 VSC7972

A P P L I C A T I O N S :

Gigabit Ethernet Transceivers

Fibre Channel Transceivers (1x, 2x and 4x)

SONET/SDH Transceivers

SONET/SDH Transponders

4.25 Gbps Receiver Optical Sub-Assemblies

F E A T U R E S :

Single +3.3 V Supply

5 kΩ Differential Transimpedance

Low Power Consumption for SFP/SFF Applications

Differential Outputs with Linear Current Monitor

Available as Bare Dice or in a 4-pin or 5-pin TO-46 Package

VSC7973

1 to 4 Gbps Transimpedance Amplifiers with Photocurrent Monitor

TRANSPORT PRODUCTS

FILTER

B E N E F I T S :

Source Terminated Differential Outputs With Linear Photocurrent Monitor

On-chip Filter Provides Positive Bias to the Photodetector, Eliminating

Available in a TO-46 Package, Eliminating Time and Costs Associated

S P E C I F I C A T I O N S :

Input Noise: 550 nA (rms)

Supply Current: 25 mA

Sensitivity : -23 dBm (long wave) -21.5 dBm (short wave)

Max Input Current: 2.2 mA Peak to Peak Current

Power Dissipation: 82.5 mW

Supply Voltage: 3.3 V

Operating Temperature from -40°C to 85°C

B L O C K D I A G R A M ( D i e ) :

the Need for External Components, Saving Space and Cost

- VSC7773: TO-46 (with 850nm PIN detector)

- VSC7970: Dice or TO-46 (with 1310nm/1550nm PIN detector)

- VSC7971: Dice or TO-46 (with 1310nm/1550nm PIN detector)

- VSC7972: Dice or TO-46 (with 850nm pin detector)

- VSC7973: Dice or TO-46 (with 850nm pin detector)

Offers Diagnostic Capabilities Without Sacrificing High Signal Integrity

With the Design, Assembly and Test of the Receiver

10pF

500Ω

Monitor

50Ω

+3.3V

50Ω

VSC7971

PB-TIAFAMILY-001

VCC

VOUTP

VOUTN

IMON

GND

0.1µF

Outputs need to

be AC-coupled

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vsc7773 Summary of contents

Page 1

... Input Current: 2.2 mA Peak to Peak Current Power Dissipation: 82.5 mW Supply Voltage: 3.3 V Operating Temperature from -40°C to 85°C - VSC7773: TO-46 (with 850nm PIN detector) - VSC7970: Dice or TO-46 (with 1310nm/1550nm PIN detector) - VSC7971: Dice or TO-46 (with 1310nm/1550nm PIN detector) - VSC7972: Dice or TO-46 (with 850nm pin detector) - VSC7973: Dice or TO-46 (with 850nm pin detector 500Ω ...

Page 2

... The VSC7773, VSC7970, VSC7971, VSC7972, and VSC7973 are high performance Transimpedance Amplifiers (TIA) for Ethernet, Fibre Channel and SONET applications. The VSC7773 support rates from 1 Gbps to 4.25 Gbps. The other parts support rates up to 2.5 Gbps. They feature 5 kΩ differential transimpedance and 1.8 GHz bandwidth with source-terminated differential outputs ...

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