6.5

7.0

7.5

8.0

8.5

9.0

4.5

4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5

1 TRANSMITTER LOADED

2 TRANSMITTERS LOADED

3 TRANSMITTERS LOADED

DATA RATE = 0kbps

vs. LOAD CAPACITANCE

AT DIFFERENT DATA RATES

6.0

0

LOAD CAPACITANCE (pF)

6.2

6.4

6.6

6.8

7.0

7.2

7.4

7.6

1000 2000 3000 4000 5000 6000 7000

20kbps

64kbps

120kbps

vs. LOAD CAPACITANCE

AT DIFFERENT DATA RATES

-8.5

-8.0

-7.5

-7.0

-6.5

-6.0

0

1000 2000 3000 4000 5000 6000 7000

LOAD CAPACITANCE (pF)

-5.5

120kbps

64kbps

20kbps

Programmable DTE/DCE,

+5V RS-232 Transceiver

4

_______________________________________________________________________________________

__________________________________________Typical Operating Characteristics

vs. POSITIVE SUPPLY VOLTAGE

-9.5

-9.0

-8.5

-8.0

-7.5

-7.0

4.5

4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5

3 TRANSMITTERS LOADED

2 TRANSMITTERS LOADED

1 TRANSMITTER LOADED

DATA RATE = 0kbps

TRANSMITTER OUTPUT VOLTAGES

vs. V+, V- LOAD CURRENT

-10

0

LOAD CURRENT (mA)

20

40

60

80

-8

-6

-4

-2

0

2

4

6

8

10

V+ AND V-

EQUALLY

LOADED

V+ LOADED,

NO LOAD

ON V-

V- LOADED,

NO LOAD

ON V+

ALL TRANSMITTERS UNLOADED, 0kbps

SLEW RATE vs. LOAD CAPACITANCE

4

0

LOAD CAPACITANCE (pF)

2000

4000

6000

6

8

10

12

14

16

18

20

SLEW+

3 TRANSMITTERS LOADED

SLEW-

3 TRANSMITTERS LOADED

SLEW+

1 TRANSMITTER LOADED

SLEW-

1 TRANSMITTER LOADED