MAX3281E datasheet(2/10 Pages) MAXIM

Part #	MAX3281E

Description	±15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers

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Manufacturer	MAXIM [Maxim Integrated Products]

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2 / 10 page

±15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23

RS-485/RS-422 True Fail-Safe Receivers

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = 3V to 5.5V, VL = VCC, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 5V and TA = +25°C.) (Notes 2, 3)

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) ...............................................-0.3V to +6V

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

VL Input Voltage .......................................................-0.3V to +6V

Receiver Input Voltage (A, B)..............................-7.5V to +12.5V

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

Receiver Output Voltage

(RO) (MAX3284E) .....................................-0.3V to (VL + 0.3V)

Receiver Output Short-Circuit Current .......................Continuous

Continuous Power Dissipation (TA = +70°C)

5-Pin SOT23 (derate 7.1mW/°C above +70°C)............571mW

6-Pin SOT23 (derate 8.7mW/°C above +70°C)............696mW

Operating Temperature Range

MAX328_EA__ ..............................................-40°C to +125°C

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

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

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

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VCC

3.0

5.5

V

Supply Current

ICC

No load

9

15

mA

VL Input Range

VL

MAX3284E

1.65

VCC

V

VL Supply Current

IL

No load (MAX3284E)

10

μA

RECEIVER

VIN = +12V

250

Input Current (A and B)

IA, B

VCC = VGND or 5.5V

VIN = -7V

-200

μA

Receiver Differential Threshold

Voltage

VTH

-7V

VCM

+12V (Note 4)

-200

-125

-50

mV

Receiver Input Hysteresis

VTH

VA + VB = 0V

25

mV

Receiver Enable Input Low

VENIL

MAX3281E, MAX3283E only

0.4

V

Receiver Enable Input High

VENIH

MAX3281E, MAX3283E only

2

V

Receiver Enable Input Leakage

ILEAK

MAX3281E, MAX3283E only

±10

μA

MAX3280E/MAX3281E/MAX3283E,

IOH = -4mA, RO high

VCC - 0.4

Receiver Output High Voltage

VOH

MAX3284E, IOH = -1mA, 1.65V

VL

VCC,

RO high

VL - 0.4

V

MAX3280E/MAX3281E/MAX3283E,

IOL = 4mA, RO low

0.4

Receiver Output Low Voltage

VOL

MAX3284E, IOL = 1mA, 1.65V

VL

VCC,

RO low

0.4

V

Three-State Output Current at

Receiver

IOZR

0

VO

VCC, RO = high impedance

±5

μA

Receiver Input Resistance

RIN

-7V

VCM

+12V (Note 5)

48

k

Receiver Output Short-Circuit

Current

IOSR

0

VRO

VCC

±130

mA

ESD PROTECTION

Human Body Model

±15

IEC1000-4-2 (Air-Gap Discharge)

±12

ESD Protection (A, B)

IEC1000-4-2 (Contact Discharge)

±6

kV

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