MAX232
Static parameters
Symbol
Parameter
Test conditions
25°C
°
min
max
-
10.0
Rate
-40
°
C to 85
°
C
min
max
∗
-
14.0
Unit
I
CC
Consumption current
static
Hysteresis voltage
V
CC
=5.0 V
V
IL
= 0 V
V
CC
=5.0 V
mA
Receiver electrical parameters
V
h
V
O
n
V
off
V
OL
0.2
-
0.8
-
0.9
2.4
-
0.3
0.2
-
0.9
-
1.0
2.3
-
0.4
V
On (operation) voltage V
O
≤
0.1 V
I
OL
≤
20 uA
Off (dropout) voltage V
O
≥
V
CC
-0.1 V
I
OH
≤
-20 uA
Output low voltage
I
OL
= 3.2 mА
V
СС
= 4.5 V
V
IH
= 2.4 V
I
OH
= -1.0 mA
V
СС
= 4.5 V
V
IL
= 0.8 V
V
СС
= 5.0 V
V
OH
Output high voltage
3.6
-
3.5
-
R
I
V
OL
Input resistance
3.0
7.0
3.0
7.0
kOhm
Transmitter electrical parameters
Output low voltage
V
СС
= 4.5 V
V
IH
= 2.0 V
R
L
= 3.0 kOhm
V
СС
= 4.5 V
V
IL
= 0.8 V
R
L
= 3.0 kOhm
V
СС
=5.5 V
V
IL
= 0 V
V
СС
=5.5 V
V
IH
= V
СС
V
СС
=5.0 V
С
L
=50 - 1000 pF
R
L
= 3.0 - 7.0 kOhm
V
СС
= V+ = V- = 0 V
V
O
=
±
2 V
V
СС
=5.5 V
V
O
= 0 V
V
I
= V
СС
V
I
= 0 V
V
СС
=4.5 V
С
L
= 1000 pF
R
L
= 3.0 kOhm
t
W
= 7us (for extreme
-
t
W
= 8us)
140
3.0
-
-5.2
-
-5.0
V
V
OH
Output high voltage
5.2
-
5.0
-
I
IH
SR
Input high current
Speed of output front
change
Output resistance
Short circuit output
current
1.0
30
2.7
10.0
V/
R
О
I
SC
350
-
300
-
Ohm
mA
-50
50
-
120
-60
60
-
kbps
ST
Speed of information
transmission
㎲
27
Au
I
IL
Input low current
-
-1.0
-
-10.0
TGS [ Tiger Electronic Co.,Ltd ]
