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GS2989 Datasheet, PDF (7/19 Pages) Gennum Corporation – Dual-Slew-Rate, Dual-Output Cable Driver with 3Gb/s Capability | |||
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Table 2-1: DC Electrical Characteristics
VCC = 3.3V ±5% or 2.5V ±5%; TA = -40°C to +85°C, unless otherwise shown
Parameter
Symbol Conditions
Min
Typ
Max
Units Notes
Supply Current
IS
1 channel, VCC = 3.3V
â
1 channel, VCC = 2.5V
â
47
53
mA
1
44
50
mA
1
2 channels, VCC = 3.3V
â
76
87
mA
1
2 channels, VCC = 2.5V
â
72
82
mA
1
Power-down
â
1
1.8
mA
1
Output Voltage
VCMOUT Common mode
â
VTERM - VOUT
â
V
â
Input Voltage
VCMIN Common mode
1.4 + ÎVDDI/2
â
VCC - ÎVDDI/2
V
â
SD/HD, DISABLE,
EQ_EN Input
VIH
IIH <= 150μA
VIL
IIL <= 150μA
1.7
â
â
V
â
â
â
0.8
V
â
OSP Drive Strength
â
â
2
â
â
mA
â
NOTES:
1. Power consumed in GS2989 only. Termination resistors draw extra current with output swing = 800mV.
2.3 AC Electrical Characteristics
Table 2-2: AC Electrical Characteristics
VCC = 3.3V ±5% or 2.5V ±5%; TA = -40°C to +85°C, unless otherwise shown
Parameter
Symbol Conditions
Min
Typ
Max
Units
Notes
Serial input data rate
DRSDO
â
.27
â
2.97
Gb/s
1
Additive jitter
â
2.97Gb/s
â
10
â
psp-p
2
â
1.485Gb/s
â
10
â
psp-p
2
â
270Mb/s
â
30
â
psp-p
2
Rise/Fall time
tr, tf
SD/HD=0
â
â
135
ps
3
tr, tf
SD/HD=1
400
â
800
ps
3
Mismatch in rise/fall time Utr, Utf HD/3G modes only
â
â
35
ps
â
Duty cycle distortion
â
SD/HD=0, 2.97Gb/s
â
â
14
ps
4, 5
â
SD/HD=0, 1.485Gb/s
â
â
20
ps
4, 5
â
SD/HD=1
â
â
50
ps
4, 5
Overshoot
â
SD/HD=0,
â
â
10
%
4
GS2989 Dual-Slew-Rate, Dual-Output Cable Driver
with 3Gb/s Capability
Data Sheet
52133 - 4
December 2010
7 of 19
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