The ADS1294/6/8 are a family of multichannel,simultaneous sampling,24-bit,delta-sigma (ΔΣ)analog-to-digital converters (ADCs) with a built-in programmable gain amplifier (PGA), internal reference, and an onboard oscillator。 The ADS1294/6/8 incorporate all of the features that are commonly required in medical electrocardiogram (ECG) and electroencephalogram (EEG) applications。