MAX233 datasheet(2/36 Pages) MAXIM

Part #	MAX233

Description	5V-Powered, Multichannel RS-232 Drivers/Receivers

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Manufacturer	MAXIM [Maxim Integrated Products]

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+5V-Powered, Multichannel RS-232

Drivers/Receivers

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS—MAX220/222/232A/233A/242/243

ELECTRICAL CHARACTERISTICS—MAX220/222/232A/233A/242/243

(VCC = +5V ±10%, C1–C4 = 0.1µF‚ MAX220, C1 = 0.047µF, C2–C4 = 0.33µF, TA = TMIN to TMAX‚ unless otherwise noted.)

Note 1: For the MAX220, V+ and V- can have a maximum magnitude of 7V, but their absolute difference cannot exceed 13V.

Note 2: Input voltage measured with TOUT in high-impedance state, SHDN or VCC = 0V.

Note 3: Maximum reflow temperature for the MAX233A is +225°C.

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.

Supply Voltage (VCC) ...............................................-0.3V to +6V

V+ (Note 1) ..................................................(VCC - 0.3V) to +14V

V- (Note 1) .............................................................+0.3V to +14V

Input Voltages

TIN..............................................................-0.3V to (VCC - 0.3V)

RIN (Except MAX220) ........................................................±30V

RIN (MAX220).....................................................................±25V

TOUT (Except MAX220) (Note 2) .......................................±15V

TOUT (MAX220)...............................................................±13.2V

Output Voltages

TOUT...................................................................................±15V

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

Driver/Receiver Output Short Circuited to GND.........Continuous

Continuous Power Dissipation (TA = +70°C)

16-Pin Plastic DIP (derate 10.53mW/°C above +70°C)..842mW

18-Pin Plastic DIP (derate 11.11mW/°C above +70°C)..889mW

20-Pin Plastic DIP (derate 8.00mW/°C above +70°C) ..440mW

16-Pin Narrow SO (derate 8.70mW/°C above +70°C) ...696mW

16-Pin Wide SO (derate 9.52mW/°C above +70°C)......762mW

18-Pin Wide SO (derate 9.52mW/°C above +70°C)......762mW

20-Pin Wide SO (derate 10.00mW/°C above +70°C)....800mW

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

16-Pin CERDIP (derate 10.00mW/°C above +70°C).....800mW

18-Pin CERDIP (derate 10.53mW/°C above +70°C).....842mW

Operating Temperature Ranges

MAX2_ _AC_ _, MAX2_ _C_ _ .............................0°C to +70°C

MAX2_ _AE_ _, MAX2_ _E_ _ ..........................-40°C to +85°C

MAX2_ _AM_ _, MAX2_ _M_ _ .......................-55°C to +125°C

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

Lead Temperature (soldering, 10s) (Note 3) ...................+300°C

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

RS-232 TRANSMITTERS

Output Voltage Swing

All transmitter outputs loaded with 3k

Ω to GND

±5

±8

V

Input Logic Threshold Low

1.4

0.8

V

All devices except MAX220

2

1.4

Input Logic Threshold High

MAX220: VCC = 5.0V

2.4

V

All except MAX220, normal operation

5

40

Logic Pullup/lnput Current

SHDN = 0V, MAX222/MAX242, shutdown,

MAX220

±0.01

±1

µA

VCC = 5.5V, SHDN = 0V, VOUT = ±15V,

MAX222/MAX242

±0.01

±10

VOUT = ±15V

±0.01

±10

Output Leakage Current

VCC = SHDN = 0V

MAX220, VOUT = ±12V

±25

µA

Data Rate

200

116

kbps

Transmitter Output Resistance

VCC = V+ = V- = 0V, VOUT = ±2V

300

10M

Ω

VOUT = 0V

±7

±22

Output Short-Circuit Current

VOUT = 0V

MAX220

±60

mA

RS-232 RECEIVERS

±30

RS-232 Input Voltage Operating Range

MAX220

±25

V

All except MAX243 R2IN

0.8

1.3

RS-232 Input Threshold Low

VCC = 5V

MAX243 R2 IN (Note 4)

-3

V

All except MAX243 R2IN

1.8

2.4

RS-232 Input Threshold High

VCC = 5V

MAX243 R2 IN (Note 4)

-0.5

-0.1

V

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