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This paper presents a new method to recover energy in an Analog-to-Digital Converter (ADC) based on the principle of adiabatic charging. The ADC comprises an Adiabatic Charging Charge Redistribution (ACCR) DAC, a dynamic comparator, and a Successive-Approximation-Register (SAR) counter. Charges in the ACCR DAC can be recovered through a resonant power supply and adiabatic switch. These charges can...
Analog-to-digital conversion plays an essential role in all kinds of electronics systems, including signal processing, communications and storage. In particular, interpolated flash ADC has been widely used in high-speed systems requiring very high sampling speed. Obviously, practical ADC design is very challenging, which has been dominated by experiences and trial-and-error skills. This is true to...
A new combined AC/DC-coupled output averaging technique for input amplifier design of flash analog-to-digital converters (ADC) is presented. The new offset averaging design technique takes full advantages of traditional DC-coupled resistance averaging and AC-coupled capacitance averaging techniques to minimize offset-induced ADC nonlinearities. Circuit analysis allows selection of optimum resistance...
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