BENEFITS:

On Chip Op-amps Provide Stability and Control Resulting in Reduced

Component Count

Small 5mm x 5mm Low-cost QFP-N Packaging Optimized for Small Footprint

Applications, Including XFP Modules.

Supports Both APC and ERC Control Loops for Leading Edge Designs

On Chip Sourcing and Sinking Bias Current Outputs for IEC-60825 Eye Safety,

Reducing Both Circuit and Firmware Design Complexity

SPECIFICA TIONS:

DATA Rate up to 11.3 Gb/s

Single-Ended Input Voltage Sensitivity: 300mV

Differential Input Voltage Sensitivity: 300mV (150mV per side)

Output Modulation Voltage Compliance 1.5 V

Minimum Output Modulation Current

- VSC7980 - 1 mA

- VSC7981 - 20 mA

- VSC7982 - 20 mA or 1V

Maximum Output Modulation Current

- VSC7980 - 15 mA

- VSC7981 - 80 mA

- VSC7982 - 2.5V or 50 mA, VCC2 = 3.3V

- VSC7982 - 3V or 60 mA, VCC2 = 5V

Power Supply Voltage +3.3 V

Minimum Ambient Temperature -40 ºC

Case Temperature -20 to +100 ºC

APPLICA TIONS:

SONET OC-192 and SDH STM-64 Transmission Systems

GR-253: SR, IR and LR

10 Gigabit Ethernet and 10 Gigabit Fibre Channel

IEEE802.3ae 10GBASE-SR,LR,ER

XFP MSA Transceiver Modules

XENPAK, XPAK, X2 and 300-pin MSA Transponder Modules

FEA TURES:

+3.3V Power Supply for Low Power

Duty Cycle, Output Modulation and Output Bias Level Controls

VSC7980: 200mW Typical Power Dissipation Including 50

Ω Load

VSC7981: 800mW Typical Power Dissipation Including 25

Ω Load

VSC7982: 930mW Typical Power Dissipation Including 50

Ω Load

Sourcing and Sinking Bias Current Outputs

50ohm Back-terminated AC-coupled Outputs

Automatic Power Control

Support for Extinction Ratio Control

XFP-Compliant Current Disable and Faults

Built-in support for IEC-60825 Eye Safety

Small package: 5mm x 5mm 32 pin QFP-N

Up to 11.3 Gb/s 3.3V: VCSEL, DML, EML Laser/Modulator Driver Family

TRANSPORT PRODUCTS

PB-VSC7980,81,82-001

VSC7980, 7981, 7982