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MAX232 Dual EIA-232 Drivers and Receivers

1 Features

•Meets or exceeds TIA/EIA-232-F and ITU

recommendation V.28

•Operates from a single 5V power supply with 1µF

charge-pump capacitors

•Operates up to 120kbit/s

•Two drivers and two receivers

•±30V Input levels

•Low supply current: 8mA typical

•ESD protection exceeds JESD 22

–2000V Human-body model (A114-A)

•Upgrade with improved ESD (15kV HBM) and

0.1µF charge-pump capacitors is available with the

MAX202 device

2 Applications

•TIA/EIA-232-F

•Battery-powered systems

•Terminals

•Modems

•Computers

3 Description

The MAX232 device is a dual driver/receiver that

includes a capacitive voltage generator to supply TIA/

EIA-232-F voltage levels from a single 5V supply.

Each receiver converts TIA/EIA-232-F inputs to 5V

TTL/CMOS levels. These receivers have a typical

threshold of 1.3 V, a typical hysteresis of 0.5V, and

can accept ±30V inputs. Each driver converts TTL/

CMOS input levels into TIA/EIA-232-F levels.

Package Information

PART NUMBERPACKAGE

(1)

PACKAGE SIZE

(2)

MAX232

SOIC (16)9.9mm × 6mm

SOIC (16)10.4mm × 10.3mm

PDIP (16)19.3mm × 9mm

SOP (16)10.2mm × 7.8 mm

(1)For more Information, see Section 11 .

(2)The package size (length × width) is a nominal value and

includes pins, where applicable.

5V

TIN

ROUT

22

22

TOUT

RS232

RIN

RS232

RX

TX

POWER

Simplified Schematic

MAX232

SLLS047N – FEBRUARY 1989 – REVISED FEBRUARY 2024

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

Produktspecifikationer