onsemi CAT34TS02VP2GT4C Digital Temperature Sensor IC - TDFN-8-EP(2x3)

The CAT34TS02VP2GT4C utilizes a standard I2C (also known as SMBus) digital interface for communication. This allows for easy connection to microcontrollers like Arduino, ESP32, or STM32 using just two wires (SDA and SCL) for reading precise temperature data.

This sensor is designed for a nominal supply voltage of 3.3V. It is critical to adhere to this voltage rating to ensure accurate measurements and prevent damage to the integrated circuit. Always verify your system's logic voltage level before connecting.

While specific accuracy figures should be confirmed in the official datasheet, sensors in this class typically offer high accuracy (e.g., ±0.5°C or better near room temperature). It supports a wide measurement range from -20°C to +125°C, suitable for both consumer and industrial environments.

This IC comes in a surface-mount TDFN-8-EP package. It requires standard PCB reflow soldering techniques. The exposed pad (EP) underneath the package must be properly soldered to a thermal pad on the PCB to ensure effective heat transfer and reliable electrical grounding.