VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
VSC7958
2.5Gb/s High Speed Limiting Post Amplifier
for OC-48/SDH-16 Applications
Figure 1: Typical Output Voltage vs. Input Voltage of Limiting Amplifier
Output Voltage vs. Input Voltage
1000
Single-Ended Output Voltage (mV)
100
10
1
1
13
20
100
260
500
Single-Ended Input Voltage (mV)
Absolute Maximum Ratings
(1)
(at T
A
= 25°C unless otherwise specified)
Power Supply Voltage (V
SS
) ...............................................................................................................-7V to -0.5V
Power Dissipation.............................................................................................................................................. 1W
All Pins ................................................................................................................................................V
SS
to + .5V
(VREF+) - (VIN+): .......................................................................................................................................... ±2V
(VREF-) - (VIN-): ........................................................................................................................................... ±2V
Storage Temperature Range (T
STG
)................................................................................................ -40°C to 125°C
Operating Temperature Range............................................................................................................0°C to 100°C
NOTE: (1) CAUTION: Stresses listed under “Absolute Maximum Ratings” may be applied to devices one at a time without caus-
ing permanent damage. Functionality at or above the values listed is not implied. Exposure to these values for extended
periods may affect device reliability.
Recommended Operating Conditions
Case Temperature Range (T
C
)..............................................................................................................0°C to 85°C
Negative Voltage Rail (V
SS
) .............................................................................................................-5.5V to -4.7V
Bit Rate = 2.488Gb/s NRZ and data pattern = 2
23
-1 PRBS, unless otherwise specified.
G52184-0, Rev 3.0
05/14/01
©
VITESSE
SEMICONDUCTOR CORPORATION
• 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 3
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
