Manufacturer Part Number
ADM222AR-REEL
Manufacturer
Analog Devices, Inc.
Introduction
The ADM222 is a dual RS-232 transceiver IC designed for bidirectional data communication between data terminal equipment (DTE) and data communications equipment (DCE).
Product Features and Performance
Dual RS-232 transceiver with integrated charge pump
Operates from a single 5V supply
Supports baud rates up to 120 kbps
High-speed operation with 0.3μs rise/fall time
ESD protection on all pins exceeds ±15kV
Low power consumption in active and shutdown modes
Product Advantages
Compact 18-pin SOIC package
Integrated charge pump eliminates the need for external high-voltage capacitors
Guaranteed operation over the industrial temperature range of -40°C to +85°C
Backward compatible with previous generations of RS-232 transceivers
Key Technical Parameters
Supply Voltage: 4.5V to 5.5V
Number of Drivers/Receivers: 2
Protocol: RS-232
Type: Transceiver
Quality and Safety Features
ESD protection on all pins exceeds ±15kV
Meets the requirements of ITU-T Recommendation V.28/V.24
Compatibility
Compatible with RS-232 standards
Can be used with a wide range of microcontrollers and other digital logic devices
Application Areas
Serial data communication in industrial, commercial, and consumer electronics applications
Interface between DTE and DCE devices
Product Lifecycle
The ADM222 is an active product and is not nearing discontinuation. Analog Devices regularly releases updated versions and compatible replacements to ensure long-term availability.
Key Reasons to Choose This Product
Integrated charge pump eliminates the need for external high-voltage capacitors, simplifying the design
High-speed operation and low power consumption make it suitable for a wide range of applications
Robust ESD protection and industrial temperature range ensure reliable performance in challenging environments
Backward compatibility with previous generations of RS-232 transceivers allows for easy upgrades and replacements