Comparator circuit and its control method, a/d conversion circuit and display device
A technology of comparator circuit and control unit, which is applied in the direction of analog-to-digital converter, multiple input and output pulse circuits, instruments, etc., which can solve the difficult problems of optimizing power consumption in the operating state of the differential circuit unit, and achieve the reduction of power consumption , The effect of power consumption optimization
Active Publication Date: 2019-02-15
SONY SEMICON SOLUTIONS CORP
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Problems solved by technology
For this reason, for example, it is difficult to optimize power consumption according to the operating state of the differential circuit section
Method used
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example 1
[0041] 2. Example 1 (comparator circuit example 1)
example 2
[0042] 3. Example 2 (comparator circuit example 2)
example 3
[0043] 4. Example 3 (comparator circuit example 3)
[0044] 5. Example 4 (comparator circuit example 4)
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The present disclosure relates to a comparator circuit and a control method thereof, an A / D conversion circuit and a display device. A comparator circuit including: a differential circuit section that detects a difference between two input signals; a current supply section that supplies current to the differential circuit section; and a control section that detects an operation timing of the differential circuit section and The current supplied to the differential circuit section through the current supply section is controlled according to the detection result thereof.
Description
[0001] Cross References to Related Applications [0002] This application claims the benefit of Japanese Priority Patent Application JP 2013-270704 filed on December 27, 2013, the entire contents of which are incorporated herein by reference. technical field [0003] The present disclosure relates to a comparator circuit, a comparator circuit control method, an A / D conversion circuit, and a display device. Background technique [0004] As a comparator circuit used in an A / D conversion circuit or the like, a differential type comparator circuit using a differential circuit section for detecting a difference between two input signals is known. In this type of comparator circuit, the current supplied to the differential circuit section is switched between the standby mode and the normal operation mode to reduce power consumption in the standby mode and reduce the time required for switching between the standby mode and the normal operation mode. The amount of time taken (for e...
Claims
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IPC IPC(8): H03K5/22H03M1/12G09G3/32
CPCG09G3/32G09G2370/08G09G3/2014G09G3/3233G09G2310/0297G09G2310/066H03K5/2481H04N25/7795H04N25/78H04N25/00H04N25/75H04N25/745
Inventor 杉山高明北村健吉冈雅树菊地健
Owner SONY SEMICON SOLUTIONS CORP