AD7177-2 32-Bit Sigma-Delta ADCs

Analog Device AD7177-2 32-Bit Sigma-Delta Analog-to-Digital Converters (ADC) are designed as low noise, fast settling, multiplexed, and 2-/4-channel (fully/pseudo-differential) Σ-Δ ADC for low bandwidth inputs. The AD7177-2 ADCs have a maximum channel scan rate of 10kSPS (100µs) for fully settled data. The output data rates range from 5SPS to 10kSPS. The AD7177-2 ADCs integrate key analog and digital signal conditioning blocks to enable designers to configure an individual setup for each analog input channel in use. The designers can select each feature on a per-channel basis. The integrated true rail-to-rail buffers on the analog inputs and external reference inputs offer easy-to-drive high impedance inputs. The precision 2.5V low drift (2 ppm/°C) bandgap internal reference (with output reference buffer) adds embedded functionality to reduce external component count.