High-Speed and High-Performance Continuous-Time ADCs for Automotive Receivers

Abstract

This article presents an overview of high-speed and high-performance continuous-time (CT) ADCs with a special attention to the application field of automotive receivers for broadcast radio and radar. An overview of the CT ADC architectural space is presented and the key design challenges related to high linearity and broadband signal conversion are described. Insights are given in the architectural and design choices to accomplish high-end performance points. A selection of case studies is presented that achieve state-of-the-art performance metrics with respect to linearity, bandwidth, and power efficiency.

Keywords

• ADC
• all-pass filter
• analog-to-digital conversion
• automotive receivers
• continuous-time (CT)
• delta–sigma modulator