PHYSICAL LAYER PRODUCTS
VSC7979, VSC7999
11.3 Gb/s Transimpedance Amplifiers with Photocurrent Monitor and Input Slicing Adjust
BENEFITS:
Source Terminated Differential Outputs for High Signal Integrity
Linear Photocurrent Monitor Offers Diagnostic Capabilities
Input Slicing Adjust Allows the End User to Optimize the Receiver
Performance for Fiber Dispersion and Non-linearity
A P P L I C AT I O N S :
10G Receiver Optical Sub-Assemblies:
- 9.983 Gb/s SONET OC-192/SDH STM-64
- 10.3 Gb/s Ethernet
- 10.5 Gb/s Fibre Channel
- 10.7 Gb/s OTN G.709/G.975
- 12.5 Gb/s SONET with FEC
- DWDM SONET/SDH
Transponders:
- XENPAK, X2, XPAK Modules
- 300-pin MSA Modules
Transceivers:
- XFP Modules
S P E C I F I C AT I O N S :
Supply Voltage: 3.3V
±
10%
Power Dissipation: 210mW – VSC7999
Power Dissipation: 180mW – VSC7979
Input Noise: 12 pA/ Hz
Bandwidth: 10.5GHz (typical)
Sensitivity : -19dBm (typical)
Max Input Current: 2.5mA p-p (min)
Operating Temperature from -10°C to 85°c
F E AT U R E S :
Single +3.3V Supply
9KΩ Differential Transimpedance – VSC7999
3KΩ Differential Transimpedance – VSC7979
Low Power Consumption for XFP Applications
Photo Linear Current Monitor
Input Slicing Adjust for Fiber Dispersion Compensation
Available in Bare Dice
SLCUP
SLCDN
IMON
Input
Current
Monitor
IIN
BLOCK DIAGRAM:
V
PD
VSC7999
OUTP
OUTN
Optical
Distortion
Adjustment
.
PB-VSC7979,7999-001
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
