MAX3232

The MAX3232 is a high-performance RS-232 transceiver designed to provide reliable serial communication in both 3V and 5V systems. It features two drivers and two receivers, offering a complete serial port interface. The MAX3232 operates from a single 3V to 5.5V power supply and uses an internal charge pump with external capacitors to generate the necessary RS-232 voltage levels. This transceiver ensures compliance with the RS-232 standard and is ideal for applications requiring robust data transmission over serial interfaces.

Key Features:

• Two RS-232 drivers and two RS-232 receivers
• Operates from a single 3V to 5.5V power supply
• Internal charge pump requires four external capacitors
• Meets RS-232D and V.28 specifications
• Data rate: up to 250 kbps
• Low power consumption
• ±15 kV ESD protection on RS-232 I/O pins
• Compatible with both 3.3V and 5V logic levels
• Pin-compatible with industry-standard 232 devices

Technical Specifications:

• Supply Voltage (VCC): 3V to 5.5V
• Driver Output Voltage: ±5.5V (typical)
• Receiver Input Voltage Range: ±25V
• High-Level Input Voltage (VIH): 2.0V (min)
• Low-Level Input Voltage (VIL): 0.8V (max)
• High-Level Output Voltage (VOH): VCC – 0.6V (min)
• Low-Level Output Voltage (VOL): 0.4V (max)
• Data Rate: Up to 250 kbps
• Operating Temperature Range: -40°C to +85°C
• Package: 16-pin SOIC/DIP

Applications:

• PC Serial Ports: Adds RS-232 serial ports to computers.
• Industrial Automation: Interfaces serial devices in factory automation systems.
• Embedded Systems: Provides serial communication in microcontroller-based projects.
• Point-of-Sale Systems: Facilitates data transfer in retail environments.
• Networking Equipment: Connects serial devices in networked systems.
• Telecommunications: Used in communication equipment for reliable data transfer.

Datasheet:
For detailed technical information, refer to the MAX3232 Datasheet.