MAX220C View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

MAX220C

+5V-Powered, Multichannel RS-232 Drivers/Receivers

Maxim Integrated 

+5V-Powered, Multichannel RS-232

Drivers/Receivers

TOP VIEW

T3OUT 1

T1OUT 2

T2OUT 3

T2IN 4

T1IN 5

GND 6

VCC 7

C1+ 8

V+ 9

C1- 10

MAX230

20 T4OUT

19 T5IN

18 N.C.

17 SHDN

16 T5OUT

15 T4IN

14 T3IN

13 V-

12 C2-

11 C2+

DIP/SO

Figure 9. MAX230 Pin Configuration and Typical Operating Circuit

+5V INPUT

1.0µF

1.0µF

1.0µF

8 C1+

10 C1-

11 C2+

12

C2-

7

VCC

+5V TO +10V

V+ 9

VOLTAGE DOUBLER

+10V TO -10V

13

VOLTAGE INVERTER V-

1.0µF

1.0µF

TTL/CMOS

INPUTS

+5V

5 T1IN

+5V

4 T2IN

+5V

14 T3IN

+5V

15 T4IN

+5V

19 T5IN

400kΩ

T1

400kΩ

T2

400kΩ

T3

400kΩ

T4

400kΩ

T5

T1OUT 2

T2OUT 3

T3OUT 1

RS-232

OUTPUTS

T4OUT 20

T5OUT 16

N.C.x 18

GND

6

17 SHDN

TOP VIEW

C+ 1

C- 2

V- 3

T2OUT 4

R2IN 5

R2OUT 6

T2IN 7

MAX231

DIP

14 V+

C+ 1

13 VCC

12 GND

C- 2

V- 3

11 T1OUT

10 R1IN

9 R1OUT

8 T1IN

T2OUT 4

R2IN 5

R2OUT 6

T2IN 7

N.C. 8

MAX231

SO

PIN NUMBERS IN ( ) ARE FOR SO PACKAGE

16 V+

15 VCC

14 GND

13 T1OUT

12 R1IN

11 R1OUT

10 T1IN

9 N.C.

1.0µF

+5V INPUT

+7.5V TO +12V

1.0µF

1

C1+

2

C1-

+5V

TTL/CMOS

INPUTS

(10)

8

7

T1IN

+5V

T2IN

(11) 9 R1OUT

TTL/CMOS

OUTPUTS

6 R2OUT

13 (15)

VCC

+12V TO -12V

VOLTAGE CONVERTER

V+ 14

3

V-

(16)

C2

1.0µF

400kΩ

T1

(13)

T1OUT 11

400kΩ

T2

R1

R2

T2OUT 4

RS-232

OUTPUTS

R1IN 10 (12)

5kΩ

R2IN 5

5kΩ

RS-232

INPUTS

GND

12 (14)

Figure 10. MAX231 Pin Configurations and Typical Operating Circuit

20 ______________________________________________________________________________________

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