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APPLICATION INFORMATION

15

14

8

1

2

3

4

7

DIN1

FORCEOFF

FORCEON

13

DOUT1

20

17

16

19

18

ROUT1

5

6

+

−

C3

C2+

C1

C2

C1+

GND

V−

C1−

RIN1

C2−

+

−

V+

+

−

+

−

DOUT2

C1

C2, C3, C4

3.3 V

± 0.3 V

5 V

± 0.5 V

3 V to 5.5 V

0.1

µF

0.047

µF

0.1

µF

0.1

µF

0.33

µF

0.47

µF

EN

C4

+

−

9

10

Auto-

Powerdown

12

11

DIN2

INVALID

RIN2

ROUT2

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.

†

= 0.1

µF

5 k

Ω

5 k

Ω

TRS3223

3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER

WITH

±15-kV ESD PROTECTION

SLLS816 – JULY 2007

Figure 6. Typical Operating Circuit and Capacitor Values

11

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