MAX232 Serial Level Converter

Product Overview

The MAX232 Serial Level Converter is an RS-232 to TTL logic converter designed to facilitate serial communication between microcontrollers and RS-232 devices. It operates with a single 5V power supply, internally generating ±10V for RS-232 signal transmission. The MAX232 integrates dual drivers and receivers, making it ideal for embedded systems, industrial automation, and communication interfaces.

Key Features

• RS-232 to TTL Converter – Enables serial communication between microcontrollers and RS-232 devices.
• Single 5V Operation – No need for external ±12V power supply.
• Internal Charge Pump – Generates ±10V for RS-232 signal levels.
• Dual Transmitters & Receivers – Supports two-way communication.
• High Baud Rate Support – Up to 120kbps transmission speed.
• Low Power Consumption – Ideal for battery-powered applications.
• ESD Protection – Ensures reliable operation in industrial environments.

Technical Specifications

• Supply Voltage: 4.5V – 5.5V
• Data Rate: Up to 120kbps
• Input Logic Levels: TTL Compatible (0V – 5V)
• Output Voltage (RS-232 Side): ±10V
• Operating Temperature: -40°C to +85°C
• Number of Drivers/Receivers: 2 TX, 2 RX
• Package Type: DIP, SOIC

Applications

• Microcontroller Communication – Interfaces microcontrollers with PCs and RS-232 peripherals.
• Industrial Automation – Reliable RS-232 communication in industrial equipment.
• Embedded Systems – Used in IoT and serial-based projects.
• Networking & Modems – Ideal for serial communication between network devices.

Why Choose MAX232?

The MAX232 is a compact, efficient, and reliable RS-232 to TTL converter, making it an essential component for serial communication in embedded and industrial applications.