MAX232 datasheet(4/7 Pages) TGS

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MAX232

Static parameters

Rate

25°°°°C

-40 °°°°C to 85 °°°°C

Symbol

Parameter

Test conditions

min

max

min

max

Unit

ICC

Consumption current

static

VCC =5.0 V

VIL = 0 V

10.0

14.0

∗

Receiver electrical parameters

Hysteresis voltage

VCC =5.0 V

0.2

0.9

0.2

1.0

VOn

On (operation) voltage VO ≤ 0.1 V

IOL ≤ 20 uA

2.4

2.3

Voff

Off (dropout) voltage

VO ≥ VCC -0.1 V

IOH ≤ -20 uA

0.8

0.9

VOL

Output low voltage

IOL = 3.2 mА

VСС = 4.5 V

VIH = 2.4 V

0.3

0.4

VOH

Output high voltage

IOH = -1.0 mA

VСС = 4.5 V

VIL = 0.8 V

3.6

3.5

Input resistance

VСС = 5.0 V

3.0

7.0

3.0

7.0

kOhm

Transmitter electrical parameters

VOL

Output low voltage

VСС = 4.5 V

VIH = 2.0 V

RL = 3.0 kOhm

-5.2

-5.0

VOH

Output high voltage

VСС = 4.5 V

VIL = 0.8 V

RL = 3.0 kOhm

5.2

5.0

IIL

Input low current

VСС =5.5 V

VIL = 0 V

-1.0

-10.0

IIH

Input high current

VСС =5.5 V

VIH = VСС

1.0

10.0

Speed of output front

change

VСС =5.0 V

L =50 - 1000 pF

RL = 3.0 - 7.0 kOhm

3.0

2.7

㎲

RО

Output resistance

VСС = V+ = V- = 0 V

VO = ± 2 V

350

300

Ohm

ISC

Short circuit output

current

VСС =5.5 V

VO = 0 V

VI = VСС

VI = 0 V

-50

-60

Speed of information

transmission

VСС =4.5 V

L = 1000 pF

RL = 3.0 kOhm

tW = 7us (for extreme

tW = 8us)

140

120

kbps

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