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APPLICATION INFORMATION

DOUT3

1

+

–

20

DIN3

400 k

Ω

5 V

21

5 k

Ω

27

ROUT3

26

RIN3

28

DOUT4

5 k

Ω

18

ROUT5

19

RIN5

17

+

–

16

15

+

–

C2–

C2+

DOUT1

2

400 k

Ω

5 V

DIN1

7

400 k

Ω

5 V

DIN2

6

DOUT2

3

RIN2

4

5 k

Ω

ROUT2

5

14

13

V+

12

+

–

11

+

–

GND

10

DIN4

C1+

C1–

V–

RIN1

9

5 k

Ω

ROUT1

8

24

EN

25

5 k

Ω

23

ROUT4

22

RIN4

400 k

Ω

5 V

= 0.1 mF

0.1 mF

6.3 V

0.1 mF

6.3 V

0.1 mF

16 V

0.1 mF

16 V

NOTES: A. Resistor values shown are nominal.

B. Nonpolarized ceramic capacitors are acceptable. If polarized tantalum or electrolytic capacitors are used, they

should be connected as shown.

MAX213

5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER

WITH

±15-kV ESD PROTECTION

SLLS680 – DECEMBER 2005

Figure 6. Typical Operating Circuit and Capacitor Values

10