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MAX232 Datasheet

Multichannel RS-232 Drivers/Receivers

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MAX220–MAX249
+5V-Powered, Multichannel
RS-232 Drivers/Receivers
Absolute Maximum Ratings—MAX220/222/232A/233A/242/243
(Voltages referenced to GND.)
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) .................................+300°C
Soldering Temperature (reflow)
20 PDIP (P20M+1) .......................................................+225°C
All other lead(Pb)-free packages.................................+260°C
All other packages containing lead(Pb) ......................+240°C
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, VSHDN or VCC = 0V.
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.
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 3)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
RS-232 TRANSMITTERS
Output Voltage Swing
Input Logic-Low Voltage
Input Logic-High Voltage
Logic Pullup/lnput Current
All transmitter outputs loaded with 3k to GND
All devices except MAX220
MAX220: VCC = +5.0V
All except MAX220, normal operation
VSHDN = 0V, MAX222/MAX242, shutdown,
MAX220
±5 ±8
1.4
2 1.4
2.4
5
±0.01
0.8
40
±1
V
V
V
μA
Output Leakage Current
Data Rate
Transmitter Output Resistance
Output Short-Circuit Current
RS-232 RECEIVERS
VCC = +5.5V, VSHDN = 0V, VOUT = ±15V,
MAX222/MAX242
VCC = VSHDN = 0V
VOUT = ±15V
MAX220, VOUT = ±12V
VCC = V+ = V- = 0V, VOUT = ±2V
VOUT = 0V
VOUT = 0V
MAX220
±0.01
±0.01
200
300 10M
±7 ±22
±10
±10
±25
116
±60
μA
kbps

mA
RS-232 Input Voltage Operating Range
MAX220
±30
V
±25
RS-232 Input Threshold Low
RS-232 Input Threshold High
VCC = +5V
VCC = +5V
All except MAX243 R2IN 0.8 1.3
MAX243 R2IN (Note 4)
-3
All except MAX243 R2IN
1.8 2.4
MAX243 R2IN (Note 4)
-0.5 -0.1
V
V
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