The SP3222BET is a 3.3V powered RS-232 transceiver solution from Sipex Corporation. It is designed to meet demanding RS-232 communication requirements in various applications. This transceiver integrates two transmitters and two receivers, making it suitable for applications requiring multiple serial communication channels.

Applications:

• Notebook and Laptop Computers: Enabling serial communication with external devices.
• Handheld Devices: Providing RS-232 connectivity for PDAs, GPS units, and other portable devices.
• Industrial Control Systems: Facilitating communication between controllers and peripheral devices.
• Point-of-Sale (POS) Equipment: Supporting serial communication with barcode scanners, printers, and other POS peripherals.
• Embedded Systems: Integrating RS-232 communication into custom-designed embedded systems.

Features:

• Meets EIA/TIA-232 and V.28/V.24 Specifications: Ensures compatibility with standard RS-232 communication protocols.
• Low Power Operation: Consumes minimal power, making it suitable for battery-powered applications.
• 3.3V Single Supply Operation: Simplifies power supply design and reduces system cost.
• Two Transmitters and Two Receivers: Provides two independent RS-232 communication channels.
• Data Rates up to 250kbps: Supports high-speed serial communication.
• Small Footprint Package: Available in compact TSSOP and SSOP packages for space-constrained applications.
• ±15kV ESD Protection: Offers robust protection against electrostatic discharge events.

Benefits:

• Reliable RS-232 Communication: Ensures reliable data transmission and reception in various environments.
• Extended Battery Life: Low power consumption extends the operating time of battery-powered devices.
• Simplified System Design: Single supply operation reduces the complexity of power supply design.
• Increased System Integration: Small footprint packages enable integration into compact systems.
• Enhanced System Protection: ESD protection prevents damage to the transceiver and connected devices.
• Cost-Effective Solution: Provides a cost-effective solution for RS-232 communication needs.

Technical Specifications:

The SP3222BET operates from a 3.3V power supply. It features a data rate of up to 250kbps and meets EIA/TIA-232 and V.28/V.24 specifications. The transceiver provides ±15kV ESD protection on the RS-232 I/O pins. The supply current is typically in the range of a few milliamperes during operation and microamperes during shutdown. It's available in TSSOP and SSOP packages. Input voltage range is generally from -0.3V to VCC +0.3V.