SP3085 datasheet(4/10 Pages) LEIDITECH

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DC electrical characteristics

(VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX UNITS

Differential Driver Output (no

load)

VOD1

R = 50Ω (RS-422) (1)

Differential Driver Output

(with load)

VOD2

R = 27Ω (RS-485) (1)

1.5

Change in Magnitude of Driver

Differential Output Voltage for

Complementary Output States

∆VOD

R = 27Ω or 50Ω (1)

0.2

Driver Common-Mode Output

Voltage

VOC

R = 27Ω or 50Ω (1)

Change in Magnitude of Driver

Common-Mode Output Voltage

for Complementary Output

States

∆VOC

R = 27Ω or 50Ω (1)

0.2

Input High Voltage

VIH1

DE, DI,

2.0

Input Low Voltage

VIL1

DE, DI,

0.8

Input Current

IIN1

DE, DI,

±2

µA

VIN = 12V

125

Input Current

(A, B)

IIN2

DE = 0V;

VCC = 0V or 5.25V,

VIN = -7V

-75

Receiver Differential Threshold

Voltage

VTH

-7V ≤ VCM ≤12V

--250

-10

Receiver Input Hysteresis

∆VTH

Receiver Output High Voltage

VOH

I = -4mA, VID = -50mV

3.5

Receiver Output Low Voltage

VOL

I = 4mA, VID = -200mV

0.4

Three-State (high impedance)

Output Current at Receiver

IOZR

0.4V ≤ VO ≤ 2.4V

±1

µA

Receiver Input Resistance

RIN

-7V ≤ VCM ≤ 12V

kΩ

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX UNITS

µA

IOD1

-7V≤VOUT≤VDD

-250

0V≤VOUT≤12V

250

0V≤VOUT≤VDD

±25

Driver Output Short-Circuit

Current

Receiver Short-Circuit Current

IOSR

0V ≤ VO ≤ VCC

±80

DE = VDD

480

800

DE=GND

450

700

No-Load Supply Current

ICC

µA

No Load

RE=DI=GND or VDD

SP3085

www.leiditech.com

Rev 1.6 :01.01.2022

4/10

VCC/2

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