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LMT70: LMT70要达到手册上的0.05摄氏度的精度,直接将输出接口接芯片就好了么,使用的是cc2640蓝牙芯片,中间需要放大滤波电路或元件么?

Part Number: LMT70
Other Parts Discussed in Thread: CC2640


  • question:
    LMT70: LMT70 should reach the accuracy of 0.05 degrees Celsius in the manual, just connect the output interface to the chip, use the cc2640 Bluetooth chip, need to amplify the filter circuit or component in the middle?

    Amplifier is not needed. LMT70 datasheet page 16 states that a 12 bit ADC is adequate to meet LMT70's +/-0.2C accuracy specification. VREF setting may affect your ability to achieve 0.05C resolution.

    answer, google translate:
    不需要放大器。 LMT70数据表第16页指出,12位ADC足以满足LMT70的+/- 0.2C精度规范。 VREF设置可能会影响您达到0.05C分辨率的能力。