UTRS3085

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 8

www.unisonic.com.tw

QW-R113-015.c



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

+7.0

V

Control Input Voltage ( RE , DE)

V

Driver Input Voltage

DI

V

Receiver Input Voltage (A, B)

±12.5

V

Receiver Output Voltage (RO)

V

DIP-8

550

mW

Continuous Power Dissipation

(Derate 5.88mW/°C above +70°C)

SOP-8

471

mW

Operating Temperature Ranges

-40 ~ +85

°C

Storage Temperature Range

-65 ~ +150

°C

Note: Absolute maximum ratings are only stress ratings and it is not implied for functional device operation.

Absolute maximum ratings are the values beyond which the device will be damaged permanently.



DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DRIVER

Differential Driver Output

(No Load)

Fig.1

5.0

V

Fig.1, R=50Ω (RS-422)

1.8

V

Differential Driver Output

Fig.1, R=27Ω (RS-485)

1.4

V

Change in Magnitude of

Differential Output Voltage

(Note 2)

Fig.1, R=50Ω or R=27Ω

0.2

V

Driver Common-Mode Output

Voltage

Fig.1, R=50Ω or R=27Ω

3.0

V

Change In Magnitude of

Common-Mode Voltage

(Note 2)

Fig.1, R=50Ω or R=27Ω

0.2

V

Input High Voltage

DE, DI, RE

2.0

V

Input Low Voltage

DE, DI, RE

0.8

V

DI Input Hysteresis

100

mV

Input Current

DE, DI, RE

±2.0

µA

125

µA

Input Current (A and B)

DE=GND,

-75

µA

-250

mA

250

mA

Driver Short-Circuit Output

Current (Note 4)

±25

mA

RECEIVER

Receiver Differential

Threshold

Voltage

-300

+300

mV

Receiver Input Hysteresis

25

mV

Receiver Output High Voltage

V

Receiver Output Low Voltage

0.4

V

Three-State Output Current at

Receiver

±1.0

µA

Receiver Input Resistance

96

kΩ

Receiver Output Short-Circuit

Current

±7

±95

mA