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Circuit with analog/digital conversion function and electronic device

A digital conversion and circuit technology, applied in the field of circuits and electronic equipment with analog/digital conversion function, can solve the problem of high power consumption and achieve the effect of reducing power consumption

Active Publication Date: 2018-05-01
湖南日进智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this circuit design, the control signal received by the AD port 11 is always unchanged, causing the AD circuit 10 to be always in a conducting state, even when the AD circuit 10 does not need to perform analog / digital conversion, resulting in high power consumption no less

Method used

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  • Circuit with analog/digital conversion function and electronic device
  • Circuit with analog/digital conversion function and electronic device
  • Circuit with analog/digital conversion function and electronic device

Examples

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Embodiment Construction

[0013] The main purpose of the present invention is to provide a circuit that turns on and off the AD circuit according to requirements, turns off the AD circuit when the electronic equipment does not need to perform analog-to-digital conversion, and turns on the AD circuit when the analog-to-digital conversion is required. figure 2 It is a structural schematic diagram of a circuit with an analog / digital conversion function according to the first embodiment of the present invention. Such as figure 2 As shown, the circuit can be integrated in the MCU (Microcontroller Unit, micro control unit) of the electronic device, which includes a control circuit 21 and an AD circuit 22, and the control circuit 21 is provided with at least one port, such as a GPIO (General Purpose Input Output, general purpose The control port 211 implemented by the input / output) interface, the control circuit 21 is connected to the AD port 221 of the AD circuit 22 through the control port 211 .

[0014]...

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PUM

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Abstract

The invention discloses a circuit with an analog / digital conversion function and an electronic device. The circuit comprises a control circuit and an AD (Analog to Digital) circuit. The control circuit is equipped with a control port. The AD circuit is equipped with an AD port. The control port is connected with the AD port. The control circuit outputs a first control signal and a second control signal to the AD circuit through the control port. The AD circuit is switched on according to the first control signal. The AD circuit is switched off according to the second control signal. Accordingto the circuit and the electronic device, the AD circuit can be switched on and switched off according to demands, so the power consumption is reduced.

Description

technical field [0001] The invention relates to the technical field of electronic equipment, in particular to the field of analog-to-digital conversion, and in particular to a circuit and electronic equipment with an analog / digital conversion function. Background technique [0002] At present, portable electronic products are widely used, and most of them are powered by batteries. However, for some products with small battery capacity, such as the current very popular smart wearable products, the length of use time or standby time will greatly affect the user experience. And AD (Analog to Digital, analog-to-digital conversion) circuit is generally useful inside these products. [0003] figure 1 It is a schematic diagram of an equivalent structure of a circuit with an analog / digital conversion function in the prior art. Such as figure 1 As shown, it includes an AD circuit 10, the AD circuit 10 is connected to the external voltage VCC through the AD port 11, one end of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03M1/00
CPCH03M1/002H03M1/12H03K17/6872
Inventor 曾永新
Owner 湖南日进智能科技有限公司
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