GS2989

Final Data Sheet

Rev.6

GENDOC-052133

July 2015

7 of 20

Semtech

www.semtech.com

2.3 AC Electrical Characteristics

Supply Current

1 channel, VCC = 3.3V

—

56

64

mA

1

1 channel, VCC = 2.5V

—

54

61

mA

1

2 channels, VCC = 3.3V

—

86

98

mA

1

2 channels, VCC = 2.5V

—

82

92

mA

1

Power-down

—

1

1.8

mA

1

Output Voltage

Common mode

—

—V

—

Input Voltage

Common mode

1.4 +

—

V—

SD/HD, DISABLE,

EQ_EN Input

1.7

—

—

V

—

——

0.4

V

—

OSP Drive Strength

—

—

2

—

—

mA

—

Notes:

1. Power consumed in GS2989 only. Termination resistors draw extra current with output swing = 800mV.

Table 2-2: DC Electrical Characteristics (Continued)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Notes

Table 2-3: AC Electrical Characteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Notes

Serial input data rate

—.27

—

2.97

Gb/s

1

Additive jitter

—

2.97Gb/s

—

10

—

2

—

1.485Gb/s

—

10

—

2

—

270Mb/s

—

30

—

2

Rise/Fall time

SD/HD=0

—

—

135

ps

3

SD/HD=1

400

—

800

ps

3

Mismatch in rise/fall time

HD/3G modes only

—

—

35

ps

—

Duty cycle distortion

—SD/HD=0, 2.97Gb/s

—

—

14

ps

4, 5

—SD/HD=0, 1.485Gb/s

—

—

20

ps

4, 5

—SD/HD=1

—

—

50

ps

4, 5

Overshoot

—

SD/HD=0,

—

—

10

%

4