20

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±15kV ESD-Protected, +5V RS-232 Transceivers

____________Pin Configurations and Typical Operating Circuits (continued)

T3OUT

T1OUT

T2OUT

R2IN

R2OUT

T2IN

T1IN

R1OUT

R1IN

GND

C1+

V+

C1-

SO/SSOP

TOP VIEW

MAX211E

MAX213E

MAX241E

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

T4OUT

R3IN

R3OUT

SHDN (SHDN)

EN (EN)

R4IN

R4OUT

T4IN

T3IN

R5OUT

R5IN

V-

C2-

C2+

V+

0.1µF

*

6.3V

0.1µF

0.1µF

*

16V

C1+

C1-

0.1µF

*

6.3V

0.1µF

*

16V

TTL/CMOS

INPUTS

GND

SHDN (SHDN)

V-

12

14

15

16

+5V INPUT

C2+

C2-

13

17

+5V

T1OUT

400k

T1IN

T1

2

+5V

T2OUT

400k

T2IN

T2

3

+5V

T3OUT

400k

T3IN

T3

1

+5V

T4OUT

400k

T4IN

T4

28

5k

R1

R1OUT

R1IN

5k

R2

R2OUT

R2IN

5k

R3

R3OUT

R3IN

7

6

20

21

8

5

26

9

4

27

5k

R4OUT

R4IN

22

23

5k

R5

R5OUT

R5IN

19

18

EN (EN)

24

25

10

+5V TO +10V

VOLTAGE DOUBLER

+10V TO -10V

VOLTAGE INVERTER

11

( ) ARE FOR MAX213E ONLY

TTL/CMOS

OUTPUTS

RS-232

OUTPUTS

RS-232

INPUTS

R4