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DRIVER SECTION

Electrical Characteristics

(1)

Switching Characteristics

(1)

TRS222

5-V DUAL RS-232 LINE DRIVER/RECEIVER

WITH

±15-kV ESD PROTECTION

SLLS813 – JULY 2007

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 4)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

High-level output voltage

DIN = GND

5

8

V

Low-level output voltage

–5

–8

V

Driver high-level input current

5

40

μA

Control high-level input current

0.01

1

Driver low-level input current

DIN = 0 V

–5

–40

μA

Control low-level input current

SHDN = 0 V

–0.01

–1

±7

±22

mA

Output leakage current

±0.01

±10

μA

Output resistance

300

10 M

Ω

(1)

Test conditions are C1–C4 = 0.1

(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 4)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Data rate

200

kbit/s

One DOUT switching,

See Figure 1

Propagation delay time,

See Figure 1

1.5

3.5

μs

low- to high-level output

Propagation delay time,

See Figure 1

1.3

3.5

μs

high- to low-level output

Driver (+ to –) propagation

300

ns

delay difference

300

ns

See Figure 2

Slew rate, transition region

SR(tr)

6

12

30

V/

μs

(see Figure 1)

Driver output enable time

250

μs

(after SHDN goes high)

Driver output disable time

300

ns

(after SHDN goes low)

(1)

Test conditions are C1–C4 = 0.1

(2)

(3)

4

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