MAX3221IDB - Texas Instruments

Manufacturer Part Number

MAX3221IDB

Manufacturer

Texas Instruments

Introduction

The MAX3221IDB is a full-duplex RS232 transceiver from Texas Instruments designed for interfacing between a serial communication port and a UART in applications requiring low voltage and data rates up to 250kbps.

Product Features and Performance

RS232 Transceiver Interface

Full Duplex Communication

Receiver Hysteresis: 500 mV

Data Rate: Up to 250kbps

Supply Voltage Range: 3V to 5.5V

Operating Temperature Range: -40°C to 85°C

Surface Mount Package: 16-SSOP

Product Advantages

Supports a wide range of supply voltages for versatility in different environments and applications.

Enhanced receiver hysteresis for improved noise immunity.

Compact SSOP packaging ideal for space-constrained applications.

Key Technical Parameters

Number of Drivers/Receivers: 1/1

Duplex: Full

Receiver Hysteresis: 500 mV

Data Rate: 250kbps

Voltage Supply: 3V to 5.5V

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Built-in Electrostatic Discharge (ESD) protection enhances the durability and longevity of the device under harsh conditions.

Compatibility

Compatible with RS232 protocols and various UART interfaces in electronic equipment.

Application Areas

Mobile and Portable Communication Devices

Data Logging and Remote Sensor Interfaces

Industrial Control Systems

Point of Sale Systems

Product Lifecycle

Obsolete: The MAX3221IDB has been declared obsolete by Texas Instruments.

Replacements or upgrades may be available (consult Texas Instruments’ newer products or product variations).

Several Key Reasons to Choose This Product

Broad operating temperature range suitable for harsh environments.

Supports a wide voltage range, making it adaptable to various power supplies.

High noise immunity with 500 mV receiver hysteresis, ensuring reliable data communication.

Obsolescence status highlights a potential for stocking up for long-term support or acquiring an upgraded technology alternative.