ST3222EBDR Low Power 2 x 2 RS-232 Transceiver
The ST3222EBDR is a robust, low power transceiver for RS-232 communication from STMicroelectronics, designed to meet the stringent requirements of battery-operated systems while maintaining compliance with the EIA/TIA-232-F standards. This integrated circuit is specifically engineered to operate with a single 3.0 to 5.5V power supply, making it an ideal choice for portable applications where power efficiency is critical.
Featuring a dual driver/receiver configuration, the ST3222EBDR provides two driver/receiver pairs that can transmit and receive data at rates up to 250 kbps. This makes it suitable for serial data exchange in a variety of devices such as PDAs, GPS units, and other mobile communication equipment.
One of the key features of the ST3222EBDR is its low-power shutdown mode, which reduces the power consumption to a mere 1 µA, significantly extending the battery life of the host device. Additionally, the transceiver has an enhanced ESD protection, capable of withstanding up to ±15kV on the human body model, ensuring reliability and resilience in harsh environments.
The ST3222EBDR also incorporates a proprietary low-dropout transmitter output stage, delivering true RS-232 performance from a 3.0 to 5.5V supply with a minimal supply current of 300 µA. This feature is particularly beneficial for maintaining signal integrity over long cable runs or in electrically noisy conditions.
For design flexibility, the transceiver's receivers can remain active in shutdown mode, allowing for the continuous monitoring of incoming data without a significant increase in power consumption. This is especially useful in applications where remote wake-up functionality is required.
Manufactured in a space-saving 16-pin SOIC package, the ST3222EBDR is compact and suitable for high-density electronic assemblies. Its industry-standard footprint ensures compatibility with existing board layouts, simplifying the upgrade process from previous solutions or the design of new applications.
Overall, the ST3222EBDR from STMicroelectronics represents a highly reliable, power-efficient solution for RS-232 communication, delivering the performance needed for today's mobile and power-sensitive applications.
