Analog-to-Digital Converters and Electronics

An analog-to-digital converter and converter technology, applied in the direction of analog-to-digital converters, etc., can solve the problems such as the inability to meet the resolution accuracy requirements of passive devices, and achieve the effect of easy adjustment and high adjustment

Active Publication Date: 2021-06-08
SEMICON MFG INT (SHANGHAI) CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the application scenario of matching passive devices, the existing ADC cannot meet the resolution accuracy requirements of passive devices

Method used

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  • Analog-to-Digital Converters and Electronics
  • Analog-to-Digital Converters and Electronics
  • Analog-to-Digital Converters and Electronics

Examples

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Embodiment Construction

[0019] As mentioned in the background art, however, in the application scenario of matching passive devices, existing ADCs cannot meet the resolution accuracy requirements of the above-mentioned passive devices.

[0020] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0021] figure 2 It is a structural schematic diagram of an analog-to-digital converter according to an embodiment of the present invention. Combine below figure 2 The specific structure of the analog-to-digital converter is described in detail.

[0022] The analog-to-digital converter 20 may include: a voltage-to-frequency converter 201 and a frequency counter 202 .

[0023] Wherein, the voltage-to-frequency converter 201 may be a voltage-to-frequency converter (Voltage Frequency Converter, VFC), and the voltage-to-frequency...

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PUM

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Abstract

An analog-to-digital converter and electronic equipment, the analog-to-digital converter includes: a voltage-frequency converter, adapted to receive an input voltage, and convert the input voltage into a pulse signal; a frequency counter, within the sampling time defined by the sampling signal , counting the pulse signals of the voltage-to-frequency converter to obtain a count value. The technical scheme of the invention improves the resolution and resolution flexibility of the analog-to-digital converter.

Description

technical field [0001] The invention relates to the technical field of integrated circuits, in particular to an analog-to-digital converter and electronic equipment. Background technique [0002] In electronic circuits, an analog-to-digital converter (Analog to Digital Converter, ADC) is a basic module that is used in many scenarios. Its input is an analog signal and its output is a digital signal. For the resolution of the ADC, the demand is usually higher. Resolution refers to the ability of the ADC to resolve the smallest signals that can be quantized. The higher the resolution, the more accurate the ADC conversion results. For example, for an ADC with a resolution of 10 bits, the minimum quantization level it can resolve is 1 / 2 of the full scale 10 . That is to say, the higher the resolution, the more parts the level in the full scale can be divided into (for example, 10 bits divide the full scale into 2 10 parts), the more accurate the conversion result is, and th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03M1/12
CPCH03M1/12
Inventor 司徒道明吴蕾
Owner SEMICON MFG INT (SHANGHAI) CORP
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