20Mbps, +3.3V, SOT23 RS-485/

RS-422 Transmitters

2

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

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, unless otherwise noted.)

DE, DI .......................................................................-0.3V to +6V

Y, Z .........................................................................-7V to +12.5V

SOT23 (derate 8.2mW/°C above +70°C) .................654.1mW

Operating Temperature Ranges

MAX32_ _AUT...............................................-40°C to +125°C

Storage Temperature Range .............................-65°C to +160°C

Junction Temperature .....................................................+160°C

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

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

POWER SUPPLY

Supply Voltage

3.135

3.300

3.465

V

Supply Current in Normal

Operation

5mA

Supply Current in Shutdown Mode

No load, DE = GND

1

10

µA

DRIVER

R = 50

Ω (RS-422),

≤ +85°C

2.0

Differential Driver Output

R = 27

Ω (RS-485),

≤ +85°C

1.5

V

Change in Magnitude of

Differential Output Voltage

Figure 1, R = 27

Ω or 50Ω,

0.2

V

Driver Common-Mode Output

Voltage

Figure 1, R = 27

Ω or 50Ω,

-1

+3

V

Change in Magnitude of Common-

Mode Voltage

Figure 1, R = 27

Ω or 50Ω (Note 3)

0.2

V

DRIVER LOGIC

Input High Voltage

DE, DI

2.0

V

Input Low Voltage

DE, DI

0.8

V

Input Current

DE, DI

-2

+2

µA

-20

+20

Output Leakage

Y, Z

DE = GND,

+3.3V

-20

+20

µA

+25

Driver Short-Circuit Foldback

Output Current

-7V

-25

mA

0

-250

Driver Short-Circuit

Output Current

-7V

+250

mA

Thermal-Shutdown Threshold

160

°C

Thermal-Shutdown Hysteresis

40

°C

ESD Protection

Y, Z

Human Body Model

±9

kV