20-Bit, 250ksps, Low Power SAR ADC with 0.5ppm INL Features:250ksps Throughput Rate±0.5ppm INL (Typ)Guaranteed 20-Bit No Missing CodesLow Power: 5.3mW at 250ksps, 5.3μW at 250sps104dB SNR (Typ) at fIN = 2kHz–125dB THD (Typ) at fIN = 2kHzDigital Gain Compression (DGC)Guaranteed Operation to 85°C2.5V SupplyFully Differential Input Range ±VREFVREF Input Range from 2.5V to 5.1VNo Pipeline Delay, No Cycle Latency1.8V to 5V I/O VoltagesSPI-Compatible Serial I/O with Daisy-Chain ModeInternal Conversion Clock16-Lead MSOP and 4mm × 3mm DFN Packages