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http://www.union-ic.com

Rev.04 Aug.2013

3/17

UM488/UM491

DC Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

DRIVER

Differential Driver Output

(No Load)

V

OD1

Figure 3

5

V

Differential Driver Output

V

OD2

Figure 3, R = 50Ω

2.0

V

Change-in-Magnitude of

Differential Output Voltage

(Note 2)

ΔV

OD

Figure 3, R = 50Ω

0.2

V

Driver Common-Mode

Output Voltage

V

OC

Figure 3, R = 50Ω

3.0

V

Change-in-Magnitude of

Common-Mode Voltage

(Note 2)

ΔV

OC

Figure 3, R = 50Ω

0.2

V

Input High Voltage

V

IH

DE, DI, RE

______

2.0

V

Input Low Voltage

V

IL

DE, DI, RE

______

0.8

V

DI Input Hysteresis

V

HYS

100

mV

Input Current (A and B)

DE = GND,

5.25V

125

µA

-75

Output Leakage (Y and Z)

DE = GND,

5.25V

125

µA

-100

Driver Short-Circuit Output

Current (Note 3)

-250

mA

250

±25