±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,

Up to 1Mbps, True RS-232 Transceivers

18

______________________________________________________________________________________

__________________________________________________Typical Operating Circuits

R2OUT

10

1

R1OUT

13

R2IN

9

18

GND

16

RS-232

OUTPUTS

TTL/CMOS

INPUTS

T2IN

11

T1IN

12

C2-

6

C2+

5

C1-

4

C1+

2

R1IN 14

T2OUT 8

T1OUT 15

V-

7

V+

3

17

C1

0.1

µF

C2

0.1

µF

+3.3V

RS-232

INPUTS

TTL/CMOS

OUTPUTS

5k

Ω

5k

Ω

EN

SHDN

C3

*

0.1

µF

C4

0.1

µF

NOTE: PIN NUMBERS REFER TO SO/DIP PACKAGES.

MAX3222E PINOUT REFERS TO SO/DIP PACKAGES.

MAX3232E PINOUT REFERS TO TSSOP/SSOP/SO/DIP/ PACKAGES

R2OUT

9

R1OUT

12

R2IN

8

GND

15

RS-232

OUTPUTS

TTL/CMOS

INPUTS

T2IN

10

T1IN

11

C2-

5

C2+

4

C1-

3

C1+

1

R1IN 13

T2OUT 7

T1OUT 14

V-

6

V+

2

C4

0.1

µF

16

C1

0.1

µF

C2

0.1

µF

+3.3V

RS-232

INPUTS

TTL/CMOS

OUTPUTS

C3

*

0.1

µF

5k

Ω

5k

Ω

SEE TABLE 2 FOR CAPACITOR SELECTION.

MAX3222E

MAX3232E