The SP202ECN/TR is a RS-232 transceiver manufactured by Exar Corporation. It's designed to meet the needs of serial communication applications, providing a reliable interface between a microcontroller or processor and an external device utilizing the RS-232 standard. This transceiver operates from a single 5V power supply and integrates charge pump circuitry to generate the ±10V RS-232 voltage levels from the 5V supply. The /TR suffix often indicates a tape and reel packaging for automated assembly.

Applications

• Notebook Computers: Enabling serial communication in portable computing devices.
• Sub-Notebooks: Supporting RS-232 connectivity in compact devices.
• Palmtop PCs: Providing a serial interface for handheld computers.
• Battery Powered Systems: Suitable due to its low power operation.
• Printers: Used for serial communication between computers and printers.
• Peripherals: Connecting various peripherals to a host system.

Features

• Single 5V Power Supply: Operates from a single 5V power source, simplifying power supply requirements.
• Meets all RS-232D and ITU V.28 Specifications: Complies with industry standards for RS-232 communication.
• Output Swing ±10V with 5V Supply: Generates the necessary voltage levels for RS-232 communication from a single 5V input.
• Low Power Consumption: Minimizes power usage in battery-powered applications.
• Internal Tiny Charge Pump: Integrates charge pump circuitry to generate the required voltage levels.
• High Data Rate: Supports data rates up to 120kbps.
• Latch-Up Free: Resistant to latch-up, enhancing reliability.

Benefits

• Simplified System Design: Requires only a single 5V power supply, reducing the complexity of the power supply design.
• Reliable Communication: Meets RS-232 standards, ensuring reliable data transmission.
• Extended Battery Life: Low power consumption helps to extend battery life in portable applications.
• Compact Solution: Integrated charge pump reduces the need for external components, saving space.
• Robust Performance: Latch-up free design ensures reliable operation in harsh environments.
• Versatile Connectivity: Allows connection to a wide range of RS-232 compatible devices.

Additional Details

The SP202ECN/TR typically comes in a DIP or SOIC package. It includes two drivers and two receivers, enabling full-duplex communication. The transceiver is designed for applications where a reliable and compliant RS-232 interface is required with minimal power consumption. The operating temperature range and specific electrical characteristics can be found in the device's datasheet.