GD65232 datasheet(10/18 Pages) TI

10 / 18 page

GD65232, GD75232

MULTIPLE RS232 DRIVERS AND RECEIVERS

SLLS206J − MAY 1995 − REVISED NOVEMBER 2004

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

TYPICAL CHARACTERISTICS

Figure 11

INPUT THRESHOLD VOLTAGE

FREE-AIR TEMPERATURE

TA − Free-Air Temperature − °C

VIT+

VIT−

2.4

2.2

1.8

1.6

1.4

1.2

0.8

0.6

0.4

010

Figure 12

INPUT THRESHOLD VOLTAGE

SUPPLY VOLTAGE

VCC − Supply Voltage − V

VIT+

VIT−

1.8

1.6

1.4

1.2

0.8

0.6

0.4

0.2

345

Figure 13

NOISE REJECTION

CC = 300 pF

tw − Pulse Duration − ns

CC = 500 pF

NOTE A: This

figure

shows

the

maximum

amplitude

positive-going pulse that, starting from 0 V, does not cause

a change of the output level.

100

400

1000

4000 10000

VCC = 5 V

TA = 25°C

See Note A

CC = 100 pF

CC = 12 pF

Figure 14

MAXIMUM SUPPLY VOLTAGE

FREE-AIR TEMPERATURE

TA − Free-Air Temperature − °C

RL ≥ 3 kΩ (from each output to GND)

3040

5060

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