The HIN232 is a dual RS-232 transmitter/receiver interface circuit manufactured by Intersil Corporation. It's designed to meet the EIA/TIA-232 and V.28/V.24 standards, providing a reliable interface between microcontrollers or other digital devices and RS-232 serial communication ports. The HIN232 integrates charge pump circuitry to generate the necessary RS-232 voltage levels from a single 5V supply.

Applications

• Personal Computers: Used in PCs to provide RS-232 serial communication ports for connecting peripherals.
• Modems: Applied in modems to interface with serial communication lines.
• Printers: Employed in printers to receive data from a computer via a serial interface.
• Data Acquisition Systems: Utilized in data acquisition systems to transmit data over serial communication channels.
• Embedded Systems: Used in embedded systems to provide serial communication capabilities for debugging or data logging.

Features

• Dual Transmitters and Receivers: Provides two independent RS-232 transmitter and receiver channels.
• Single 5V Supply Operation: Operates from a single 5V power supply, simplifying power supply requirements.
• Integrated Charge Pump: Generates RS-232 voltage levels internally.
• Meets EIA/TIA-232 Standards: Complies with industry standards for RS-232 communication.
• Low Power Consumption: Designed for low power operation.
• ESD Protection: Provides electrostatic discharge protection for the RS-232 pins.

Benefits

• Simplified Power Supply: Single 5V supply eliminates the need for multiple voltage rails.
• Reduced Component Count: Integrated charge pump reduces external component requirements.
• Reliable Communication: Meets RS-232 standards for reliable serial communication.
• ESD Protection: Protects against damage from electrostatic discharge.
• Cost-Effective: Provides a cost-effective solution for RS-232 interfacing.

Additional Details

The HIN232 typically supports data rates up to 120 kbps. The output voltage swing is typically ±5V to ±10V. The device is available in various package options, including DIP and SOIC. The input impedance of the receivers is typically 3 kΩ to 7 kΩ. The HIN232 is designed to operate in a wide temperature range, typically from 0°C to +70°C. The device provides short-circuit protection on the RS-232 outputs.