MAX3221

3V TO 5.5V SINGLECHANNEL RS232 LINE DRIVER/RECEIVER

WITH ±15kV ESD PROTECTION

SLLS348M − JUNE 1999 − REVISED MARCH 2004

1

POST OFFICE BOX 655303

±15 kV Using Human-Body Model (HBM)

TIA/EIA-232-F and ITU v.28 Standards

Device (1 Mbit/s)

− SNx5C3221

Disables Drivers for Power Savings

− Battery-Powered, Hand-Held, and

Portable Equipment

− PDAs and Palmtop PCs

− Notebooks, Subnotebooks, and Laptops

− Digital Cameras

− Mobile Phones and Wireless Devices

description/ordering information

The MAX3221 consists of one line driver, one line receiver, and a dual charge-pump circuit with

±15-kV ESD

protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of

TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and

the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V

to 5.5-V supply. These devices operate at data signaling rates up to 250 kbit/s and a maximum of 30-V/

µs driver

output slew rate.

ORDERING INFORMATION

TA

PACKAGE†

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

SSOP (DB)

Tube of 80

MAX3221CDB

MA3221C

−0

°C to 70°C

SSOP (DB)

Reel of 2000

MAX3221CDBR

MA3221C

−0

°C to 70°C

TSSOP (PW)

Tube of 90

MAX3221CPW

MA3221C

TSSOP (PW)

Reel of 2000

MAX3221CPWR

MA3221C

SSOP (DB)

Tube of 80

MAX3221IDB

MB3221I

−40

°C to 85°C

SSOP (DB)

Reel of 2000

MAX3221IDBR

MB3221I

−40

°C to 85°C

TSSOP (PW)

Tube of 90

MAX3221IPW

MB3221I

TSSOP (PW)

Reel of 2000

MAX3221IPWR

MB3221I

† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are

available at www.ti.com/sc/package.

Copyright

 2004, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

DB OR PW PACKAGE

(TOP VIEW)

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

EN

C1+

V+

C1−

C2+

C2−

V−

RIN

FORCEOFF

GND

DOUT

FORCEON

DIN

INVALID

ROUT