RX

TX

POWER

3.3 V, 5 V

DIN

ROUT

DOUT

RS232

RIN

RS232

2

2

2

2

MAX3232

SLLS410K – JANUARY 2000 – REVISED JANUARY 2015

MAX3232 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver

With ±15-kV ESD Protection

1 Features

3 Description

The MAX3232 device consists of two line drivers, two

1

•

RS-232 Bus-Terminal ESD Protection Exceeds

line receivers, and a dual charge-pump circuit with

±15 kV Using Human-Body Model (HBM)

±15-kV ESD protection terminal to terminal (serial-

•

Meets or Exceeds the Requirements of TIA/EIA-

port connection terminals, including GND). The

232-F and ITU V.28 Standards

device meets the requirements of TIA/EIA-232-F and

provides

the

electrical

interface

between

an

•

asynchronous

communication

controller

and

the

•

Operates up to 250 kbit/s

serial-port connector. The charge pump and four

•

Two Drivers and Two Receivers

small external capacitors allow operation from a

•

Low Supply Current: 300

μA Typical

single 3-V to 5.5-V supply. The devices operate at

data signaling rates up to 250 kbit/s and a maximum

•

External Capacitors: 4 × 0.1

μF

of 30-V/

μs driver output slew rate.

•

Accepts 5-V Logic Input With 3.3-V Supply

•

Alternative High-Speed Terminal-Compatible

Device Information(1)

Devices (1 Mbit/s)

PART NUMBER

PACKAGE (PIN)

BODY SIZE

–

SN65C3232 (–40°C to 85°C)

SOIC (16)

9.90 mm × 3.91 mm

–

SN75C3232 (0°C to 70°C)

SSOP (16)

6.20 mm × 5.30 mm

MAX3232

10.30 mm × 7.50

SOIC (16)

mm

2 Applications

TSSOP (16)

5.00 mm × 4.40 mm

•

Battery-Powered Systems

(1) For all available packages, see the orderable addendum at

•

PDAs

the end of the data sheet.

•

Notebooks

•

Laptops

•

Palmtop PCs

•

Hand-Held Equipment

4 Simplified Schematic

1

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.