MAX212CWG datasheet(2/8 Pages) MAXIM

2 / 8 page

+3V-Powered, Low-Power,

True RS-232 Transceiver

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = 3.0V to 3.6V, TA = TMIN to TMAX, unless otherwise noted.)

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.

PARAMETER

MIN

TYP

MAX

UNITS

Input Logic Threshold Low

VCC / 3

115

µA

Shutdown Supply Current

115

µA

Input Logic Threshold High

2VCC / 3

Input Current High

µA

Input Current Low

µA

Hysteresis

0.3

Operating Voltage Range

3.0

3.6

VCC Supply Current

1.5

3.0

Logic Output Voltage Low

0.25

Logic Output Voltage High

VCC - 0.5

Logic Output Leakage Current

±10

µA

-25

+25

EIA/TIA-232E Input Hysteresis

0.7

EIA/TIA-232E Input Resistance

Ω

±5.0

±5.5

Output Resistance

300

Ω

100

CONDITIONS

IOUT = 1.0mA

T_IN, EN,

–

—

D; VCC = 3.0V to 3.6V

IOUT = -1.0mA

–

—

D = GND, EN = VCC, R_IN = GND or VCC

–

—

D = EN = GND, R_IN = GND or VCC

T_IN, EN,

–

—

D; VCC = 3.0V to 3.6V

T_IN, EN,

–

—

D; VIN = VCC

EN = GND, 0V < R_OUT < VCC

T_IN, EN,

–

—

D, VIN = GND

T_IN; VCC = 3.3V

-15V < VIN < 15V

Meets or exceeds EIA/TIA-232E specifications

All transmitters loaded 3k

Ω to GND

VCC = V- = V+ = 0V, -2V < T_OUT < 2V

No load, VCC = 3.3V

Supply Voltages

VCC .....................................................................-0.3V to +4.6V

V+ ............................................................(VCC - 0.3V) to +7.4V

V- ........................................................................-7.4V to +2.0V

LN ..............................................................-0.3V to (V+ + 1.0V)

LP.......................................................(V- - 1.0V) to (V+ + 0.3V)

Input Voltages

T_IN,

–

—

D, EN ..............................................-0.3V to (V+ + 0.3V)

R_IN...................................................................................±25V

Output Voltages

T_OUT................................................................................±15V

R_OUT ........................................................-0.3V to (V+ + 0.3V)

Short-Circuit Duration, T_OUT.....................................Continuous

Continuous Power Dissipation (TA = +70°C)

Wide SO (derate 11.76mW/°C above +70°C)...............941mW

SSOP (derate 8.00mW/°C above +70°C) .....................640mW

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

Shutdown Supply Current with

Receivers Active

EIA/TIA-232E Input Voltage

Operating Range

EIA/TIA-232E Input Voltage

Threshold Low

0.4

EIA/TIA-232E Input Voltage

Threshold High

2.8

Output Voltage Swing (VHIGH, VLOW)

EIA/TIA-232E Short-Circuit Current

DC CHARACTERISTICS

LOGIC

EIA/TIA-232E RECEIVERS

EIA/TIA-232E TRANSMITTERS

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