AD7708/18 is a complete analog front-end device for low-frequency measurement applications, equipped with a 24 bit, programmable gain amplifier (PGA) built-in Σ-Δ ADC can be configured as a 4/5 fully differential input channel or an 8/10 pseudo differential input channel, and the two pins on this device can be configured as analog input or reference voltage input. AD7708 is the 16 bit version of AD7718. By utilizing these ADCs, input signals within the range of 20mV to 2.56V can be directly converted, supporting direct input of sensor signals without the need for signal conditioning
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Aaron 