LTC2862A

4

Rev. A

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SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

RIN

Receiver Input Resistance

0 ≤ VCC ≤ 5.5V, VIN = –25V or 25V (Figure 3)

112

kΩ

VCM

Receiver Common Mode Input Voltage

(A + B)/2

l

–25

25

V

VTH+

Positive Differential Input Signal Threshold

Voltage (A – B)

–25V ≤ VCM ≤ 25V

l

125

200

mV

VTH–

Negative Differential Input Signal Threshold

Voltage (A – B)

–25V ≤ VCM ≤ 25V

l

–200

–125

mV

ΔVTH

Differential Input Signal Hysteresis

(VTH+ – VTH–)

VCM = 0V

250

mV

VTFS

Differential Input Failsafe Threshold Voltage –25V ≤ VCM ≤ 25V

l

–200

–75

–10

mV

ΔVTFS

Differential Input Failsafe Hysteresis

(VTFS – VTH–)

VCM = 0V

50

mV

VOH

Receiver Output High Voltage

I(RO) = –3mA (Sourcing)

l

VCC –0.4V VCC –0.2V

V

VOL

Receiver Output Low Voltage

I(RO) = 3mA (Sinking)

l

0.2

0.4

V

IOZR

Receiver Three-State (High Impedance)

Output Current on RO

RE = High, VCC = 5V, RO = 0V or VCC

l

–32

5

µA

IOSR

Receiver Short-Circuit Current

RE = Low, RO = 0V or VCC

l

±20

mA

CIN

Input Capacitance (A and B)

(Note 5)

50

pF

Logic

VTH

Input Threshold Voltage (DE, DI, RE)

3.0 ≤ VCC ≤ 5.5V

l

0.33 • VCC

0.67 • VCC

V

IINL

Logic Input Current (DE, DI, RE)

0 ≤ VIN ≤ VCC

l

0

±5

µA

ESD (Note 5)

ESD Protection Level of Interface Pins

(A,B), Powered or Unpowered

Human Body Model, A or B to GND,

VCC, B or A, 1μF Between VCC and GND

±40kV

kV

IEC 61000-4-2 ESD Level 4, Contact, 1μF

Between VCC and GND

±8kV

kV

ESD Protection Level of All Other Pins

(RO, RE, DE, DI, VCC, GND)

Human Body Model

±15kV

kV

ELECTRICAL CHARACTERISTICS The

l

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = 3.3V unless otherwise noted. (Note 2)