Texas Instruments MAX3232 Bedienungsanleitung

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

With ±15-kV ESD Protection

1 Features

•RS-232 Bus-terminal esd protection exceeds

±15 kV using human-body model (HBM)

•Meets or exceeds the requirements of TIA/

EIA-232-F and ITU V.28 standards

•Operates with 3-V to 5.5-V V

CC

supply

•Operates up to 250 kbit/s

•Two drivers and two receivers

•Low supply current: 300 μA Typical

•External capacitors: 4 × 0.1 μF

•Accepts 5-V logic input with 3.3-V supply

•Alternative high-speed terminal-compatible

devices (1 Mbit/s)

–SN65C3232 (–40°C to 85°C)

–SN75C3232 (0°C to 70°C)

2 Applications

•Industrial PCs

•Wired networking

•Data center and enterprise networking

•Battery-powered systems

•PDAs

•Notebooks

•Laptops

•Palmtop PCs

•Hand-held equipment

3 Description

The MAX3232 device consists of two line drivers,

two line receivers, and a dual charge-pump circuit

with ±15-kV ESD protection terminal to terminal

(serial-port connection terminals, 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. The devices operate at data signaling

rates up to 250 kbit/s and a maximum of 30-V/μs

driver output slew rate.

Device Information

PART NUMBERPACKAGE

(1)

BODY SIZE

MAX3232

SOIC (D) (16)9.90 mm × 3.91 mm

SSOP (DB) (16)6.20 mm × 5.30 mm

SOIC (DW) (16)

10.30 mm × 7.50

mm

TSSOP (PW) (16)5.00 mm × 4.40 mm

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

the end of the data sheet.

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RX

TX

POWER

3.3V,5V

DIN

ROUT

DOUT

RS232

RIN

RS232

2

2

2

2

Simplified Schematic

MAX3232

SLLS410O – JANUARY 2000 – REVISED JUNE 2021

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.

Produktspezifikationen