Revision March 1,2022

www.unsemi.com.tw

For technical questions, contact: tech@unsemi.com.tw

Specifications are subject to change without notice.

Please refer to www.unsemi.com.tw for current information.

3/9

(

If no special situation occurs，VCC=5V±10% ,Temp=TMIN~TMAX，typically VCC=+5V，Temp=25℃)

NOTE1：ΔVOD and ΔVOC are the changes in VOD and VOC, respectively, when the DI input changes state.

DC Electrical Characteristics Of Driver

V

V

V

V

V

V

V

V

μA

mA

mA

°C

°C

--

VCC

VCC

0.2

3.0

0.2

--

0.8

2.0

250

-35

--

--

5

--

--

--

--

--

--

--

--

--

--

150

20

--

1.5

2.0

--

--

--

2.0

--

-2

35

-250

--

--

--

Fig 1，RL = 27 Ω

Fig 1，RL = 50 Ω

Fig 1，RL = 27 Ω

Fig 1，RL = 27 Ω

Fig 1，RL = 27 Ω

DE，DI，/RE

DE，DI，/RE

DE，DI，/RE

Short to 0V~12V

Short to -7V~0V

--

--

VOD1

∆VOD

VOC

∆VOC

VIH

VIL

IINI

IOSD1

IOSD2

TTS

TTSH

Differential Driver Output(no load)

Change in Magnitude of Differential Output Voltage (NOTE1)

Driver Common-Mode Output Voltage

Change In Magnitude of Common-Mode Voltage (NOTE1)

Input High Voltage

Input Low Voltage

Input Current

Driver Short-Circuit Output Current (short to high)

Driver Short-Circuit Output Current (short to low)

Thermal-Shutdown Threshold

Thermal-Shutdown Hysteresis

Parameter

Symbol

Conditions

Min.

Typ.

Max. Units

Differential Driver Output

VOD2

Supply Current

μA

μA

μA

300

300

10

--

--

--

180

150

0.5

/RE = 0V or VCC, DE = 0V

/RE = VCC, DE = VCC

/RE = VCC，DE = 0V

ICC1

ICC2

ISHDN

Supply Current in Shutdown Mode

Parameter

Symbol

Conditions

Min.

Typ.

Max. Units

Supply Current

ROHS

UN485E

±16kV ESD Protected 1Mbps, Half-duplex,

RS485/RS422 Transceiver