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SS8218

Rev.2.01 6/06/2003

Recommended Operating Conditions

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

4.0

5

5.5

Termpower Voltage

2.9

5

5.5

V

Logic 0

-0.3

+0.8

V

Logic 1

2.0

V

Operating Temperature

0

70

°C

Electrical Characteristics

Unless otherwise specified, these specifications apply over the operating ambient temperature range of

0°C

PARAMETER

SYMBOL

Condition

MIN

TYP

MAX

UNITS

LVD Terminator Section

Differential Mode Termination Resistance

Rdm

100

105

110

Ohms

Common Mode Termination Resistance

Rcm

110

150

190

Ohms

Differential Mode Bias

Vdm

All lines Open

100

112

125

mV

Common Mode Bias

Vcm

1.125

1.25

1.375

V

Single Ended Terminator Section

Output Capacitance

Cout

Note

3

pF

SE Termination Resistance

Rse

Vline = 0-3.0 volts

104.5

110

115.5

Ohms

SE Voltage Reference

Vref

2.79

2.85

2.93

Volts

SE output Current

Iose

Vline = 0.2 volts

25.4

mA

Regulator Section

Line Regulation

1.0

2.5

%

Load Regulation

1.3

3.5

%

Current Limit

350

mA

Sink Current

200

mA

DC Section

SE mode (No Load)

4

Termpower Current

LVD mode (No Load)

20

mA

Input Leakage High

-1.0

µA

Input Leakage Low

1.0

µA

Output Current High

-1.0

mA

Output Current Low

4.0

mA

DIFFSENS Section

DIFFSENS SE Operating Range

-0.3

0.5

V

DIFFSENS LVD Operating Range

0.7

1.9

V

DIFFSENS HVD Operating Range

2.4

V

DIFFSENSE Driver Output Voltage

1.2

1.4

V

DIFFSENSE Driver Source Current

5

15

mA

DIFFSENSE Driver Sink Current

20

200

µA

Note: Guaranteed by Design

.