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A Pipelined Analog-to-Digital Converter

An analog-to-digital converter and pipeline-type technology, applied in the direction of analog-to-digital converters, etc., can solve problems that restrict the performance of pipeline-type ADCs, and achieve the effects of improving overall performance, reducing chip area, and improving length uniformity and consistency

Inactive Publication Date: 2016-02-10
芯锋宽泰科技(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional layout has shown its limitations when the speed and precision of ADCs are constantly improving, and even becomes a bottleneck restricting the further improvement of the performance of pipelined ADCs to some extent.

Method used

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  • A Pipelined Analog-to-Digital Converter
  • A Pipelined Analog-to-Digital Converter

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Embodiment Construction

[0031] The following introduces some of the possible embodiments of the present invention, which are intended to provide a basic understanding of the present invention, but are not intended to identify key or decisive elements of the present invention or limit the scope of protection. It is easy to understand that, according to the technical solution of the present invention, those skilled in the art may propose other alternative implementation manners without changing the essence and spirit of the present invention. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the entirety of the present invention or as a limitation or restriction on the technical solution of the present invention.

[0032] In the following description, for clarity and conciseness of description, not all the various components shown in the figures are described in detail. The drawing...

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Abstract

The invention provides a pipelined analog-digital converter and belongs to the technical field of IC (integrated circuit). The ADC (analog-digital converter) at least comprises a sampling holder, a plurality of gain analog-digital converters in cascaded connection, a clock generator, a reference signal generator and a digital encoder. At least the sampling holder and the multiple gain analog-digital converters are roughly circularly arranged to enclose to form an intermediate region, and the clock generator and the reference signal generator are arranged in the intermediate region to enable the clock generator and the reference signal generator to respectively provide corresponding signal input to the surrounding sampling holder and the multiple gain analog-digital converters by means of star connection. The pipelined ADC is excellent in performance and especially applicable to high-speed / high-precision application.

Description

technical field [0001] The invention belongs to the technical field of integrated circuit (IC) design, and relates to a pipelined analog-to-digital converter (ADC, or A / D converter) whose main functional modules are arranged in a ring. Background technique [0002] An analog-to-digital converter (ADC) can convert a continuously changing analog signal into a digital signal output and provide a signal source for digital signal processing. is widely used in. [0003] One of the important parameters of the ADC is the conversion accuracy (also known as resolution), which is usually expressed by the number of digits of the output digital signal; the more digits the ADC can accurately output the digital signal, it means that the ADC can distinguish the input signal The stronger the capability of the ADC, the better the performance of the ADC, and the more accurate the result of digital signal processing using the digital signal. Another important parameter of the ADC is the conve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03M1/12
Inventor 刘松杨飞琴吴柯
Owner 芯锋宽泰科技(北京)有限公司