Capacitance to digital converter (CDC), supply- and temperature-insensitivity, delta-sigma (∆Σ), time-locked (TL) operation, voltage controlled oscillator (VCO)
Table Of Contents
1. Introduction 1 1.1 Motivation 1 1.2 Conventional CDCs 2 2. Achieving Supply and Temperature Insensitivity 9 2.1 Supply- and Temperature-Insensitive Time Detector 10 3. Proposed Time-Locked ∆Σ CDC 15 3.1 Supply Noise Transfer Characteristics 20 3.2 High-Resolution and Energy-Efficiency 22 3.3 Noise Analysis of the TL∆Σ CDC 25 3.4 Parasitic Capacitance of the TL∆Σ CDC 27 4. Measurement Results 32 5. Conclusion 45 References 46