ADS1115的PGA設定,最大量測電壓
寫設定000可測±6.144V,可是NOTE寫需高過VDD+0.3
那輸入電壓又是2.0~5.5V,5.5+0.3也不過才5.8V
最大也不過可量測到5.8V,請問那6.144怎麼來??
(1) This parameter expresses the full-scale range of the ADC scaling. In no event should more than VDD + 0.3V be applied to this device.