LTC487



487fc

(Industrial) (Notes 2, 3)

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Differential Driver Output Voltage (Unloaded)

5

V

Differential Driver Output Voltage (With Load)

R = 50

Ω; (RS422)

2

V

R = 27

Ω; (RS485) (Figure 3)

1.5

5

V

Change in Magnitude of Driver Differential

Output Voltage for Complementary Output States

R = 27

Ω or R = 50Ω

(Figure 3)

0.2

V

Driver Common Mode Output Voltage

3

V

Change in Magnitude of Driver Common Mode

Output Voltage for Complementary Output States

0.2

V

Input High Voltage

DI, EN12, EN34

2.0

V

Input Low Voltage

0.8

V

Input Current

±2

µA

Supply Current

No Load Output Enabled

110

200

µA

Output Enabled

110

200

µA

100

250

mA

100

250

mA

High Impedance State Output Current

±10

±200

µA

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Driver Input to Output

10

30

50

ns

Driver Input to Output

(Figures 1, 4)

10

30

50

ns

Driver Output to Output

5

15

ns

Driver Rise or Fall Time

5

20

25

ns

Driver Enable to Output High

35

70

ns

Driver Enable to Output Low

35

70

ns

Driver Disable Time from Low

35

70

ns

Driver Disable Time from High

35

70

ns

Note 2: All currents into device pins are positive; all currents out of

device pins are negative. All voltages are referenced to device GND unless

otherwise specified.