The SP3243EHCA is a 3.3V, low power, RS-232 transceiver manufactured by Sipex Corporation (now MaxLinear). It is designed for serial communication in a variety of applications, providing a reliable interface between a microcontroller or processor and an RS-232 serial port. This transceiver integrates all the necessary functions, including charge pumps and level shifters, to convert between TTL/CMOS logic levels and RS-232 voltage levels.

Applications

• Serial communication interfaces
• Point-of-sale (POS) terminals
• Industrial control systems
• Data acquisition systems
• Embedded systems
• Modems
• Diagnostic ports

Features

• Meets EIA/TIA-232 and V.28 specifications
• 3.3V single supply operation
• Low power consumption
• Data rates up to 250 kbps
• Integrated charge pump
• Short-circuit protection
• ESD protection: ±15kV HBM
• Small footprint package

Benefits

• Simplified RS-232 interface design
• Reduced power consumption for portable applications
• Reliable data transmission
• Robust protection against electrical damage
• Space-saving solution
• Cost-effective
• Easy integration into various systems

Technical Specifications

• Supply Voltage: 3.0V to 3.6V
• Data Rate: 250 kbps
• Number of Transmitters: 3
• Number of Receivers: 5
• Input Logic Level: TTL/CMOS compatible
• Output Logic Level: RS-232 compliant
• ESD Protection: ±15kV HBM
• Operating Temperature Range: -40°C to +85°C
• Package: SSOP-28

The SP3243EHCA RS-232 transceiver offers a reliable and efficient solution for serial communication applications. Its low power consumption, integrated charge pump, and robust protection features make it suitable for a wide range of systems, including battery-powered devices and industrial environments. The small footprint package allows for easy integration into compact designs, while the compliance with industry standards ensures compatibility and interoperability.