37
MTX-Java-T | 2019/2
MTX © by MATRIX ELECTRONICA S.L.U.
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1.2 RS232 interface
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Conditions
Min
Max
Unit
V
I
Input voltage range
Drivers
-0.3
65
V
Receivers
-25
25
V
V
o
Output voltage range
Drivers
-13.2
13.2
V
Receivers
-0.3
5
V
Electrostatic discharge
Human body model
2
kV
CHARACTERISTICS
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
V
OH
Driver high-level output
voltage
R
L
=3kΩ to GND
5
5.4
V
V
OL
Driver low-level output
voltage
R
L
=3kΩ to GND
-5
5.4
V
r
o
Driver output resistance
VIN = 0V
300
10M
Ω
V
IT+
Receiver positive-going
input threshold voltage
1.5
2.4
V
V
IT-
Receiver negative-going
input threshold voltage
0.6
1.2
V
V
hys
Receiver input hysteresis
(VIT+ - VIT-)
0.3
V
r
i
Receiver input resistance
Input voltage
±3 to ±25V
3
5
7
k
Ω
