High-resolution A/D converters

  • Rudy van de Plassche
Part of the The Springer International Series in Engineering and Computer Science book series (SECS, volume 742)


High-resolution monolithic A/D converters are subject to growing interest due to the rapidly expanding market for digital signal processing systems. The introduction of digital audio recording equipment such as Super Audio Compact Disc (SACD) players requires resolutions from 16 to 24 bits. Monolithic converters with such a high linearity are difficult to design and require special circuit configurations. When a low conversion speed is needed, integrating types of converters can be used. In integrating types of highresolution A/D converters basically the analog input signal is converted into a time which is proportional to the input signal. Time is measured using a counter with an accurate clock. These systems are relatively slow because of the counting operation in the time-to-number conversion cycle. A speed improvement is obtained by using a coarse and fine conversion cycle in the time-to-number counting operation. A well-known analog-to-digital converter based on this system is the dual slope converter. This converter is mostly used in digital voltmeters.


Input Signal Successive Approximation Operational Amplifier Reference Voltage Converter System 
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Copyright information

© Springer Science+Business Media New York 2003

Authors and Affiliations

  • Rudy van de Plassche
    • 1
    • 2
  1. 1.Broadcom Netherlands BVThe Netherlands
  2. 2.BroadcomIrvineUSA

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