A 1 V 103 dB 3rd-order audio continuous-time ΔΣ ADC with enhanced noise shaping in 65 nm CMOS

• Main Authors: Leow, Yoon Hwee, Tang, Howard, Sun, Zhuochao, Siek, Liter
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2021
• Subjects: Engineering::Computer science and engineering; Continuous-time; Delta-Sigma; Low Voltage; Noise-coupled; NTF Enhancement; Successive Approximation
• Online Access: https://hdl.handle.net/10356/152236
• Institution: Nanyang Technological University

As technology scales, integrating high resolution ADCs into high fidelity mixed signal systems becomes challenging in advanced CMOS processes. Cascading integrators to achieve high-order filter structures limits the modulation index and compromises on stability at the expense of added hardware and p...