DS232A
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ABSOLUTE MAXIMUM RATINGS*
Absolute Maximum Ratings
V
CC
-0.3V to +7.0V
V+ (V
CC
-0.3V) to +14V
V- +0.3V to -14V
Input Voltages
T
IN
-0.3V to (V
CC
+0.3V)
R
IN
±30V
Output Voltages
T
OUT
(V+ + 0.3V) to (V- - 0.3V)
R
OUT
-0.3V to (V
CC
+ 0.3V)
Short Circuit Duration, T
OUT
Continuous
* This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Operating Supply Voltage V
CC
4.5 5.5 V 1
DC ELECTRICAL CHARACTERISTICS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Power Supply Current (No Load) I
CC1
4 10 mA
Power Supply Current (3 kΩ Load All
Outputs)
I
CC2
15 mA
RS-232 Transmitters
Output Voltage Swing V
ORS
±5 ±8
V 2
Input Logic Threshold Low V
TTL
0.8 1.4 V
Input Logic Threshold High V
TTH
1.4 2.0 V
Maximum Data Rate f
D
250 350 k bits/s
Logic Pullup/Input Current I
PU
5 40
μA
Transmitter Output Resistance R
OUT
300 10M
Ω
3
Output Short-Circuit Current I
TSC
±15 ±30 ±100
mA 4