+2.35V to +5.5V, 1µA, 2Tx/2Rx RS-232 Transceivers

with ±15kV ESD-Protected I/O and Logic Pins

_______________________________________________________________________________________

3

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

AutoShutdown Plus (FORCEON = GND, FORCEOFF = VL)

Positive threshold

2.7

Receiver Input Threshold to

INVALID Output High

Figure 3

Negative threshold

-2.7

V

Receiver Input Threshold to

INVALID Output Low

Figure 3

-0.3

0.3

V

Receiver Positive or Negative

Threshold to

INVALID High

0.3

µs

Receiver Positive or Negative

Threshold to

INVALID Low

30

µs

Receiver or Transmitter Edge to

Transmitters Enabled

15

µs

Receiver or Transmitter Edge to

Transmitters Shutdown

30

s

TRANSMITTER OUTPUTS

T_OUT =

±5.0V to ±3.7V

2.95

3.1

3.25

V

T_OUT =

±3.7V to ±5.5V

3.3

3.5

3.7

V

Hysteresis

400

mV

±5

±5.4

Output Voltage Swing

All transmitter

outputs loaded

with 3k

±3.7

V

Output Resistance

±2.0V

300

10M

Ω

Output Short-Circuit Current

±60

mA

Output Leakage Current

±12V, transmitters disabled

±25

µA

ESD PROTECTION

Human Body Model

±15

IEC 1000-4-2 Air-Gap Discharge Method

±15

R_IN, T_OUT, R_OUT, T_IN,

FORCEON,

FORCEOFF

IEC 1000-4-2 Contact Discharge Method

±8

kV

ELECTRICAL CHARACTERISTICS (continued)

≥ +4.5V, C1 = 0.047µF,