MAX232
Static parameters
Symbol
Parameter
Test conditions
Unit
Rate
25°C
max
-40 °C to 85 °C
min max
min
∗
Consumption current VCC =5.0 V
static VIL = 0 V
-
10.0
-
mA
V
ICC
14.0
Receiver electrical parameters
Hysteresis voltage
VCC =5.0 V
0.2
-
0.9
2.4
0.2
-
1.0
2.3
Vh
On (operation) voltage
VO
IOL
≤
≤
0.1 V
VO
n
20 uA
Off (dropout) voltage
Output low voltage
0.8
-
-
0.9
-
-
VO
IOH
≥
≤
VCC -0.1 V
-20 uA
V
off
IOL = 3.2 m
А
0.3
0.4
VOL
VOH
RI
VСС = 4.5 V
VIH = 2.4 V
Output high voltage
Input resistance
IOH = -1.0 mA
VСС = 4.5 V
VIL = 0.8 V
3.6
-
3.5
-
VСС = 5.0 V
3.0
-
7.0
3.0
-
7.0
kOhm
V
Transmitter electrical parameters
Output low voltage
VСС = 4.5 V
VIH = 2.0 V
RL = 3.0 kOhm
-5.2
-5.0
VOL
VOH
IIL
Output high voltage
VСС = 4.5 V
VIL = 0.8 V
RL = 3.0 kOhm
5.2
-
-
5.0
-
-
Input low current
Input high current
VСС =5.5 V
VIL = 0 V
-1.0
-10.0
VСС =5.5 V
VIH = VСС
1.0
30
10.0
27
IIH
Speed of output front VСС =5.0 V
change
3.0
2.7
SR
V/
СL =50 - 1000 pF
RL = 3.0 - 7.0 kOhm
Output resistance
VСС = V+ = V- = 0 V
VO = 2 V
350
-
300
-
Ohm
mA
RО
ISC
Short circuit output
current
VСС =5.5 V
VO = 0 V
VI = VСС
VI = 0 V
-50
50
-60
60
ST
Speed of information VСС =4.5 V
transmission L = 1000 pF
RL = 3.0 kOhm
140
-
120
-
kbps
С
t
W = 7us (for extreme
-tW = 8us)
TGS [ Tiger Electronic Co.,Ltd ]
