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TMP117EVM: The accuracy of TMP117EVM

Part Number: TMP117EVM
Other Parts Discussed in Thread: TMP117

Hi experts,

    This is FAE Skylar responsible for GREE. My customer wants to use TMP117 in the refrigerator project and want ±0.1°C accuracy on 0°C. They want to use the TMP117EVM for test but from the user guide "It provides up to ±0.1°C accuracy over the range of body temperature 30°C to +42°C, and ±0.2°C accuracy over the −55°C to +150°C range" which cannot promise the ±0.1°C accuracy on 0°C. From the datasheet, it seems we could support the ±0.1°C accuracy as below. Can we help customer to design a circuit which could support  ±0.1°C accuracy on 0°C?

Also, they could break out the EVM as below, right? TMP117 could connect customer's own MCU for test after the breakouts? What's the interface to connect TMP117 and MCU and how can customer do the hardware setup after the breakouts with no USB connector?

BR,

Skylar