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The AD7785 is a low power, low noise, complete analog front end for high precision measurement applicaTIons. The AD7785 contains a low noise 20-bit Σ-Δ ADC with three differenTIal analog inputs. The on-chip, low noise instrumentaTIon amplifier means that signals of small amplitude can be interfaced directly to the ADC. With a gain setTIng of 64, the rms noise is 40 nV when the update rate equals 4.17 Hz.
