Description

24-Bit, 2 MSPS, SAR ADC Features: High performance Throughput: 2 MSPS maximum INL: ±0.9 ppm maximum from −40°C to +125°C SNR: 108.4 dB typical THD: −127 dB typical NSD: −169 dBFS/Hz typical Low power 30 mW at 2 MSPS 3 mW at 10 kSPS Easy Drive™ features reduce system complexity Low 1.2 μA input current for dc inputs Wide input common-mode range: −(1/128) × VREF to +(129/128) × VREF Flexible external reference voltage range: 4.096 V to 5 V Accurate integrated reference buffer with 2 μF bypass capacitor Programmable block averaging filter with up to 216 decimation Extended sample resolution to 30 bits Overrange and synchronization bits Flexi-SPI digital interface 1, 2, or 4 SDO lanes allows slower SCK Echo clock mode simplifies use of digital isolator Compatible with 1.2 V to 1.8 V logic 7 mm × 7 mm 64-Ball CSP_BGA package with internal supply and reference capacitors to help reduce system footprint