MAX3232EIDRG4 参数 Datasheet PDF下载

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

WITH

±15-kV

IEC ESD PROTECTION

SLLS664A – AUGUST 2005 – REVISED APRIL 2007

APPLICATION INFORMATION

1

V

CC

16

+ C

BYPASS

− = 0.1µF

2

C3

†

C1+

+

C1

−

+

−

V+

GND

15

3

14

C1−

13

C2+

5 kΩ

DOUT1

4

+

C2

−

RIN1

5 C2−

12

6

C4

DOUT2

−

+

7

10

DIN2

V−

11

ROUT1

DIN1

RIN2

8

5 kΩ

9

ROUT2

†

C3 can be connected to V

CC

or GND.

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.

V

CC

vs CAPACITOR VALUES

V

CC

3.3 V

±

0.3 V

5 V

±

0.5 V

3 V to 5.5 V

C1

0.1

µF

0.047

µF

0.1

µF

C2, C3, C4

0.1

µF

0.33

µF

0.47

µF

Figure 4. Typical Operating Circuit and Capacitor Values

7