SN65C3232, SN75C3232

3V TO 5.5V MULTICHANNEL RS232 COMPATIBLE LINE DRIVER/RECEIVER

SLLS540B − JULY 2002 − REVISED NOVEMBER 2004

7

POST OFFICE BOX 655303

APPLICATION INFORMATION

11

10

8

1

2

3

4

7

ROUT2

DIN2

9

RIN1

16

13

12

15

14

DIN1

5

6

+

−

C3

VCC

C2+

C1

C2

C1+

GND

C1−

ROUT1

C2−

+

−

CBYPASS = 0.1 µF

V+

+

−

+

−

RIN2

C4

+

−

VCC

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

VCC vs CAPACITOR VALUES

DOUT1

DOUT2

† C3 can be connected to VCC or GND.

†

V−

5 k

Ω

5 k

Ω

Figure 4. Typical Operating Circuit and Capacitor Values