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DRIVER SECTION

Switching Characteristics

(1)

ESD Protection

MAX3227

3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER

WITH

±15-kV ESD PROTECTION

SLLS673A – AUGUST 2005 – REVISED FEBRUARY 2006

abc

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

(see Figure 1 and Figure 2)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

High-level output voltage

DIN = GND

5

5.4

V

Low-level output voltage

–5

–5.4

V

High-level input current

±0.01

±1

µA

Low-level input current

±0.01

±1

µA

±35

±60

mA

±35

±60

Output resistance

300

10M

Ω

Output leakage current

FORCEOFF = GND,

±25

µA

(1)

Test conditions are C1–C4 = 0.1

µF at V

(2)

(3)

Short-circuit durations should be controlled to prevent exceeding the device absolute power dissipation ratings, and not more than one

output should be shorted at a time.

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

(see Figure 1 and Figure 2)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

250

One DIN switching,

See Figure 1

One DIN switching,

Maximum data rate

1000

kbit/s

See Figure 1

One DIN switching,

1000

See Figure 1

See Figure 2

25

ns

Slew rate,

SR(tr)

24

150

V/

µs

transition region

See Figure 1

(1)

Test conditions are C1–C4 = 0.1

µF at V

(2)

(3)

TERMINAL

TEST CONDITIONS

TYP

UNIT

NAME

NO.

Human-Body Model

±15

DOUT

13

Contact Discharge (IEC61000-4-2)

±8

kV

Air-Gap Discharge (IEC61000-4-2)

±8

5

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