SP3232EBEN-L Ver la hoja de datos (PDF) - Exar Corporation

Número de pieza

componentes Descripción

Fabricante

SP3232EBEN-L

True +3.0V to +5.5V RS-232 Transceivers

Exar Corporation 

PIN FUNCTION

NAME

EN

C1+

V+

C1-

C2+

C2-

V-

T1OUT

T2OUT

R1IN

R2IN

R1OUT

R2OUT

T1IN

T2IN

GND

VCC

SHDN

N.C.

PIN NUMBER

FUNCTION

SP3222EB

SOIC SSOP

TSSOP

SP3232EB

Receiver Enable. Apply Logic LOW for normal operation.

Apply logic HIGH to disable the receiver outputs (high-Z state)

1

1

-

Positive terminal of the voltage doubler charge-pump capacitor

2

2

1

+5.5V output generated by the charge pump

3

3

2

Negative terminal of the voltage doubler charge-pump capacitor

4

4

3

Positive terminal of the inverting charge-pump capacitor

5

5

4

Negative terminal of the inverting charge-pump capacitor

6

6

5

-5.5V output generated by the charge pump

7

7

6

RS-232 driver output.

15

17

14

RS-232 driver output.

8

8

7

RS-232 receiver input

14

16

13

RS-232 receiver input

9

9

8

TTL/CMOS receiver output

13

15

12

TTL/CMOS receiver output

10

10

9

TTL/CMOS driver input

12

13

11

TTL/CMOS driver input

11

12

10

Ground.

16

18

15

+3.0V to +5.5V supply voltage

17

19

16

Shutdown Control Input. Drive HIGH for normal device operation.

Drive LOW to shutdown the drivers (high-Z output) and the on-

18

20

-

board power supply

No Connect

-

11, 14

-

Table 1. Device Pin Description

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

5

SP3222EB/SP3232EB_103_081414

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