kV

±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,

RS-232 Transceivers with AutoShutdown

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3

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

MIN

TYP

MAX

UNITS

±25

Output Short-Circuit Current

±60

mA

Output Resistance

300

10M

Ω

Output Leakage Current

µA

Input Threshold Low

0.6

1.2

V

±5

±5.4

Output Voltage Swing

V

CONDITIONS

5.5V, transmitters disabled

All transmitter outputs loaded with

3k

Ω to ground

Receiver Positive or Negative

Threshold to INVALID High

1

µs

Input Hysteresis

0.5

V

Input Threshold High

V

Input Resistance

3

5

7

k

Ω

0.8

1.5

1.8

2.4

1.5

2.4

±5.0

Transmitter Output Voltage

V

T3OUT loaded with 3k

Ω to GND,

T1OUT and T2OUT loaded with

2.5mA each

SYMBOL

±15

IEC 1000-4-2 Air-Gap Discharge

Receiver Positive or Negative

Threshold to INVALID Low

30

µs

Input Voltage Range

-25

25

V

Receiver or Transmitter Edge to

Transmitters Enabled

100

µs

Input Voltage Range

-25

25

V

±8

IEC 1000-4-2 Contact Discharge

R_IN, T_OUT

±15

Human Body Model

kV

RECEIVER INPUTS

TRANSMITTER OUTPUTS

MOUSE DRIVEABILITY (MAX3243E)

ESD PROTECTION