The SP3243EBEY is a RS-232 transceiver from Sipex Corporation (now Exar Corporation). This device is designed to meet or exceed TIA/EIA-232-F standards and is ideal for serial communication applications. It typically integrates three drivers and five receivers, allowing for a complete interface solution between a microcontroller or UART and a serial port connector.

Applications:

• Serial communication ports
• Data acquisition systems
• Diagnostic ports
• Point-of-sale (POS) terminals
• Embedded systems with RS-232 interface

Features:

• Meets or exceeds TIA/EIA-232-F standards
• Three drivers and five receivers
• Data rates up to 250 kbps
• Low power operation
• Small outline package

Benefits:

• Reliable serial communication
• Complete interface solution
• Compatibility with standard RS-232 devices
• Extended battery life in portable applications
• Compact size for space-constrained designs

Specifications:

The SP3243EBEY operates from a 3.0V to 5.5V supply voltage. It supports data rates up to 250 kbps, allowing for efficient serial communication. The device features low power operation, typically consuming only a few milliamperes in active mode and even less in shutdown mode. It includes short-circuit protection and ESD protection on the transmitter outputs. The receivers feature hysteresis to improve noise immunity. The device is available in a small outline package (SOIC or TSSOP), facilitating efficient PCB assembly. The operating temperature range is typically from -40°C to +85°C.

The internal charge pump generates the necessary RS-232 voltage levels from a single supply voltage, simplifying system design. The high data rate capability makes it suitable for applications requiring fast serial communication. The low power consumption extends battery life in portable devices. The integrated protection features enhance the reliability of the system.