# A 90-dB-SNDR Calibration-Free Fully Passive Noise-Shaping SAR ADC With 4× Passive Gain and Second-Order DAC Mismatch Error Shaping

> Research article (IEEE Journal of Solid-State Circuits, 2021) · cited 64× · AI/ML

**Wikidata**: [openalex:W3174559553](https://www.wikidata.org/wiki/openalex:W3174559553)  
**Source**: https://4ort.xyz/entity/a-90-db-sndr-calibration-free-fully-passive-noise-shaping-sar-adc-with-4-passive-gain-and-second-order-dac-mismatch-erro