ST202CN Low Power RS-232 Transceiver from STMicroelectronics

The ST202CN is a robust, low power transceiver for RS-232 communication from STMicroelectronics. This device is designed to fulfill the requirements of the EIA/TIA-232 standard while operating at a single 5V power supply. It is particularly well-suited for applications where power efficiency is paramount, without compromising the reliability and integrity of the data transmission.

The ST202CN provides two drivers and two receivers, making it a versatile choice for serial communication in a variety of systems, including but not limited to, industrial controls, point-of-sale equipment, and computer peripheral devices. It also features a proprietary low-dropout transmitter output stage, enabling true RS-232 performance from a 5V supply with a dual charge pump.

One of the key advantages of the ST202CN is its ability to maintain a data rate of up to 200 kbps, ensuring swift data exchange that is essential for modern applications. Furthermore, the device includes an automatic power-down feature that reduces power consumption when not in use, making it an energy-conscious solution for battery-operated devices.

The transceiver's ESD protection exceeds JESD 22, safeguarding the device against electrostatic discharges and ensuring a longer operational lifespan. This robust protection makes the ST202CN a reliable choice for harsh environments where ESD events are more likely to occur.

Additional features of the ST202CN include:

• Low supply current: 5mA (typical) in powered operation
• Guaranteed data rate: 200 kbps
• Meet or exceed the requirements of the EIA/TIA-232-F and ITU v.28 standards
• Operational from a single 5V power supply
• ±30V input levels
• 0.1µF charge pump capacitors
• Available in DIP and SO packages

In conclusion, the ST202CN transceiver from STMicroelectronics is an excellent choice for designers looking for a reliable, low power solution for RS-232 communications. With its combination of performance, power efficiency, and protection features, it stands out as a leading component in its class.