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INPUT ELECTRICAL CHARACTERISTICS

OUTPUT ELECTRICAL CHARACTERISTICS

SN65LVDS122

SN65LVDT122

SLLS525B – MAY 2002 – REVISED JUNE 2004

over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MAX

UNIT

Positive-going differential input voltage threshold

See Figure 1 and Table 1

100

mV

Negative-going differential input voltage threshold

See Figure 1 and Table 1

mV

25

mV

DE

–10

0

High-level input current

µA

S0, S1

0

20

DE

–10

0

Low-level input current

µA

S0, S1

20

80

100

Supply current

mA

Disabled

35

45

–20

20

Input current (A or B inputs 'LVDS)

µA

0

33

–40

40

Input current (A or B inputs 'LVDT)

µA

0

66

–20

20

Other input at 1.2 V

Input current (A or B inputs 'LVDS)

µA

0

33

Other input at 1.2 V

–40

40

Other input open

Input current (A or B inputs 'LVDT)

µA

0

66

Other input open

–6

6

µA

Termination resistance ('LVDT)

90

110

132

Ω

Termination resistance ('LVDT with power-off)

90

110

132

3

Differential input capacitance ('LVDT with

pF

power-off)

3

(1)

All typical values are at 25

°C and with a 3.3-V supply.

(2)

The algebraic convention in which the least positive (most negative) limit is designated as minimum is used in this data sheet.

over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MAX

UNIT

Differential output voltage magnitude

247

310

454

See Figure 2

mV

Change in differential output voltage magnitude between logic

∆|V

–50

50

states

Steady-state common-mode output voltage

1.125

1.375

V

Change in steady-state common-mode output voltage between

∆V

OC(SS)

See Figure 3

–50

50

mV

logic states

Peak-to-peak common-mode output voltage

50

150

mV

Short-circuit output current

–24

24

mA

Differential short-circuit output current

–12

12

mA

–1

1

High-impedance output current

µA

–1

1

Differential output capacitance

3

pF

(1)

All typical values are at 25

°C and with a 3.3-V supply.

3