MAX13085E datasheet(2/14 Pages) MAXIM

2 / 14 page

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+5.0V, ±15kV ESD-Protected, Fail-Safe,

Hot-Swap, RS-485/RS-422 Transceiver

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect device reliability.

(All voltages referenced to GND.)

Supply Voltage (VCC)........................................................... +6V

Control Input Voltage (RE, DE) ...............................-0.3V to +6V

Driver Input Voltage (DI) .........................................-0.3V to +6V

Driver Output Voltage (A, B) ....................................-8V to +13V

Receiver Input Voltage (A, B) ..................................-8V to +13V

Receiver Output Voltage (RO) ................. -0.3V to (VCC + 0.3V)

Driver Output Current.................................................... ±250mA

Continuous Power Dissipation (TA = +70°C)

SO (derate 5.9mW/°C above +70°C) ..........................471mW

Operating Temperature Range.......................... -40°C to +85°C

Junction Temperature .....................................................+150°C

Storage Temperature Range............................ -65°C to +150°C

Lead Temperature (soldering, 10s) ................................+300°C

Soldering Temperature (reflow) ......................................+260°C

DC ELECTRICAL CHARACTERISTICS

(VCC = +5.0V ±10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5.0V and TA = +25NC.) (Note 1)

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DRIVER

VCC Supply-Voltage Range

VCC

4.5

5.5

Differential Driver Output

VOD

RL = 100I (RS-422), Figure 1

VCC

RL = 54I (RS-485), Figure 1

VCC

No load

VCC

Change in Magnitude of

Differential Output Voltage

VOD

RL = 100I or 54I, Figure 1 (Note 2)

0.2

Driver Common-Mode Output

Voltage

VOC

RL = 100I or 54I, Figure 1

VCC/2

Change in Magnitude of

Common-Mode Voltage

VOC

RL = 100I or 54I, Figure 1 (Note 2)

0.2

Input-High Voltage

VIH

DE, DI, RE

Input-Low Voltage

VIL

DE, DI, RE

0.8

Input Hysteresis

VHYS

DE, DI, RE

100

Input Current

IIN1

DE, DI, RE

Input Impedance First Transition

at Power-Up

RPWUP

VDE, VRE = VRE = 2V

3.65

8.8

Input Impedance on First

Transition after POR Delay

Rft

VDE = VRE = 2V

Ω

Driver Short-Circuit Output

Current

IOSD

0 P VOUT P +12V (Note 3)

250

-7V P VOUT P VCC (Note 3)

-250

-40

Driver Short-Circuit Foldback

Output Current

IOSDF

(VCC - 1V) P VOUT P +12V (Note 3)

-7V P VOUT P +1V (Note 3)

-20

Thermal-Shutdown Threshold

TTS

175

Thermal-Shutdown Hysteresis

TTSH

Input Current (A and B)

IA, B

VDE = 0V,

VCC = 0V or VCC

VIN = +12V

125

VIN = -7V

-100

RECEIVER

Receiver Differential Threshold

Voltage

VTH

-7V P VCM P +12V

-200

-125

-50

Receiver Input Hysteresis

VTH

VA + VB = 0V

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