MAX3221CAE - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX3221CAE

Manufacturer

analog-devices

Introduction

The MAX3221CAE is a compact transceiver module for RS232 communication with integrated charge pump technology for single-supply operation.

Product Features and Performance

Single-chip RS232 interface solution

1 Driver and 1 Receiver

Full duplex communication capability

Receiver Hysteresis of 300 mV for improved noise rejection

Data Rate of up to 235Kbps

Wide voltage supply range from 3V to 5.5V

Operation within 0°C to 70°C temperature range

Surface Mount 16-SSOP form factor for PCB integration

Product Advantages

Enables portable and space-constrained applications due to small size

Integrated charge pump circuitry, which allows operation from a single supply

Low power consumption suitable for battery-powered devices

Compatible with industry-standard RS232 protocol for ease of integration

Key Technical Parameters

Protocol: RS232

Number of Drivers/Receivers: 1/1

Duplex: Full

Receiver Hysteresis: 300 mV

Data Rate: 235Kbps

Voltage - Supply: 3V to 5.5V

Operating Temperature: 0°C to 70°C

Mounting Type: Surface Mount

Package / Case: 16-SSOP

Quality and Safety Features

Robust ESD protection on transceiver interface pins

Failure protection against short-circuit conditions

Feature to enter low-power shutdown mode when not in use

Compatibility

Standard RS232 communications interface

General compatibility with digital systems through 3-5.5V supply range

Application Areas

Portable devices

Battery-powered systems

Industrial automation

Data communication equipment

Product Lifecycle

Obsolete

Potential availability of replacements or upgrades with similar specifications from analog-devices

Several Key Reasons to Choose This Product

Compact size suitable for space-restricted applications

Integrated power supply circuit reduces external component count

High data rate capabilities for rapid communication

Robust construction with ESD and fault protection increases reliability

Easy implementation in RS232 communications systems

Conforms to the industrial standard temperature range for operational flexibility