Instructions for Using the MAX31855KASA

1. Power Supply:

   • Connect the VCC pin to a supply voltage between 2.7V and 5.5V.
   • Ensure the supply current does not exceed 1.0mA.

2. Thermocouple Connection:

   • Connect the thermocouple leads to the VIN+ and VIN- pins.
   • The input voltage range for the thermocouple is from -2.0V to +18.0V.

3. Cold-Junction Compensation:

   • The cold-junction temperature is automatically measured by the device.
   • The accuracy of the cold-junction temperature is ±2.0°C with a resolution of 0.0625°C.

4. Thermocouple Temperature Measurement:

   • The device measures the thermocouple temperature over a range of -200°C to 700°C for K-type thermocouples.
   • The accuracy of the thermocouple temperature is ±2.0°C with a resolution of 0.25°C.

5. SPI Communication:

   • Use the SPI interface to read the temperature data.
   • The maximum SPI clock frequency is 5MHz.
   • The conversion time for a single reading is 9.8ms.

6. Data Output:

   • The data output rate is 1Hz.
   • Read the 14-bit temperature data from the SPI interface.

7. Operating Temperature:

   • The device operates over a junction temperature range of -40°C to 125°C.

8. Handling and Storage:

   • Store the device in a dry environment to prevent moisture damage.
   • Handle with care to avoid mechanical stress on the pins and package.

By following these instructions, you can ensure reliable and accurate temperature measurements using the MAX31855KASA.