SP3238EDS/04

SP3238E +3.0V to +5.5V RS-232 Transceivers

© Copyright 1999 Sipex Corporation

6

Figure 4. SP3238E Pinout Configuration

T4IN

1

2

3

4

25

26

27

28

5

6

7

24

23

22

SHUTDOWN

C2-

V-

R1IN

R2IN

R3IN

ONLINE

C2+

C1-

GND

V+

T1IN

8

9

10

11

18

19

20

21

12

13

14

17

16

15

T1OUT

T2OUT

T3OUT

T3IN

T2IN

T5IN

R3OUT

R2OUT

R1OUT

R1OUT

SP3238E

C1+

T4OUT

T5OUT

STATUS

Figure 3. Supply Current VS. Load Capacitance when

Transmitting Data

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

Unless otherwise noted, the following performance characteristics apply for V

loaded with 3k

Ω, 0.1µF charge pump capacitors, and T

40

35

30

25

20

15

10

5

0

Load Capacitance [pF]

118KHz

60KHz

10KHz

0

500

1000

1500

2000