UTRS3080

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 9

www.unisonic.com.tw

QW-R113-017.b



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

+7.0

V

Control Input Voltage ( RE , DE)

V

Driver Input Voltage

DI

V

Driver Output Voltage (A, B, Y, Z)

±13

V

Receiver Input Voltage (A, B)

±13

V

Receiver Input Voltage, Full Duplex (A, B)

±25

V

Receiver Output Voltage (RO)

V

SOP-8

471

mW

Continuous Power Dissipation

(Derate 8.33mW/°C above +70°C)

SOP-14

667

mW

Lead Temperature (Soldering, 10s)

+300

°C

Operating Temperature Ranges

-40~+85

°C

Storage Temperature Range

-65~+150

°C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DRIVER

Differential Driver Output

(No Load)

5.0

V

Fig.1, R=50Ω (RS-422)

1.6

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)

Full Duplex

-75

µA

125

µA

Output Leakage (Y and Z)

Full Duplex

-100

µA

-250

mA

250

mA

Driver Short-Circuit Output

Current (Note 4)

±25

mA