ClassID:

222411

H03M1/442 - CPC Classification

Classification description:

Analogue/digital conversion; Digital/analogue conversion; Analogue/digital converters; Analogue value compared with reference values sequentially only, e.g. successive approximation type; Sequential comparisons in series-connected stages with change in value of analogue signal using switched capacitors

Recent Application in this class:
#1
20260135565
2026-05-14

ANALOG-TO-DIGITAL CONVERSION DEVICE AND ANALOG-TO-DIGITAL CONVERSION METHOD

#2
20260121654
2026-04-30

Differential slope analog-to-digital conversion apparatus and method

#3
20250357943
2025-11-20

SUCCESSIVE APPROXIMATION REGISTER ANALOG-TO-DIGITAL CONVERTER AND OPERATING METHOD THEREOF

#4
20250219653
2025-07-03

SYSTEM AND METHOD FOR CONVERTING DIRECT ANALOG SAMPLES TO COMPRESSED DIGITIZED SAMPLES

#5
20250119153
2025-04-10

Signal Sampling Circuitry and A Method for Signal Sampling and Holding

#6
20250070735
2025-02-27

DYNAMIC CAPACITANCE-TO-VOLVAGE OFFSET CANCELLATION

#7
20240380407
2024-11-14

Operation stage of pipeline analog-to-digital converter and analog-to-digital converter thereof

#8
20240297660
2024-09-05

SUCCESSIVE APPROXIMATION REGISTER ANALOG-TO-DIGITAL CONVERTER AND COMPARISON METHOD

#9
20240259030
2024-08-01

ANALOG-TO-DIGITAL CONVERTER

#10
20230179219
2023-06-08

Reconfigurable analog-to-digital converter

#11
20220239308
2022-07-28

Switched-capacitor integrators with improved flicker noise rejection

#12
20220209784
2022-06-30

Front-end circuit performing analog-to-digital conversion and touch processing circuit including the same

#13
20210311175
2021-10-07

Shared sample and convert capacitor architecture

#14
20210250038
2021-08-12

Low-noise differential-output capacitor DAC

#15
20210203347
2021-07-01

Multi-stage switched capacitor circuit and operation method thereof

#16
20210175891
2021-06-10

Systems and methods for testing analog to digital (A/D) converter with built-in diagnostic circuit with user supplied variable input voltage

#17
20210094614
2021-04-01

Circuit device, physical quantity measurement device, electronic apparatus, and vehicle

#18
20200412375
2020-12-31

Capacitive analog-to-digital converter, analog-to-digital conversion system, chip, and device

#19
20200373936
2020-11-26

Front-end circuit performing analog-to-digital conversion and touch processing circuit including the same

#20
20200366308
2020-11-19

Electronic circuit with a set of weighted capacitances

#21
20200136638
2020-04-30

Noise shaping in a digital-to-analog convertor

#22
20200112319
2020-04-09

Self-correcting analog counter readout for digital pixels

#23
20200028518
2020-01-23

Analog-to-digital converter with low inter-symbol interference and reduced common-mode voltage mismatch

#24
20190386669
2019-12-19

Analog-digital converter, semiconductor device, and voltage signal generation method

#25
20190383916
2019-12-19

Shared sample and convert capacitor architecture

#26
20190181876
2019-06-13

Analog-to-digital converter

#27
20190173484
2019-06-06

REFERENCE DISTURBANCE MITIGATION IN SUCCESSIVE APPROXIMATION REGISTER ANALOG TO DIGITAL CONVERTER

#28
20190173483
2019-06-06

CHOPPER STABILIZED COMPARATOR FOR SUCCESSIVE APPROXIMATION REGISTER ANALOG TO DIGITAL CONVERTER

#29
20190165800
2019-05-30

Multiplying DAC of pipelined ADC

#30
20190140655
2019-05-09

Multiplying digital-to-analog conversion circuit

#31
20190123757
2019-04-25

Pipelined analog-to-digital converter having operational amplifier shared by different circuit stages

#32
20190123756
2019-04-25

Sample-and-hold amplifier with switchable candidate capacitors

#33
20190123755
2019-04-25

Operational amplifier with switchable candidate capacitors

#34
20190097645
2019-03-28

Analog to digital conversion apparatus and analog to digital converter calibration method of the same

#35
20180367159
2018-12-20

Analog to digital converter

#36
20180302098
2018-10-18

Method and system for an analog-to-digital converter with near-constant common mode voltage

#37
20180183457
2018-06-28

Reference disturbance mitigation in successive approximation register analog to digital converter

#38
20180183456
2018-06-28

Chopper stabilized comparator for successive approximation register analog to digital converter

#39
20180041221
2018-02-08

Analogue-digital converter of non-binary capacitor array with redundant bit and its chip

#40
20180019760
2018-01-18

Method and system for an analog-to-digital converter with near-constant common mode voltage

#41
20170250698
2017-08-31

METHOD AND SYSTEM FOR AN ANALOG-TO-DIGITAL CONVERTER WITH NEAR-CONSTANT COMMON MODE VOLTAGE

#42
20170149440
2017-05-25

Method for adaptively regulating coding mode and digital correction circuit thereof

#43
20170141784
2017-05-18

Method and system for an analog-to-digital converter with near-constant common mode voltage

#44
20170019121
2017-01-19

Multiplying analog to digital converter and method

#45
20160294403
2016-10-06

Semiconductor device

#46
20160248437
2016-08-25

Multiplying analog to digital converter and method

#47
20160099721
2016-04-07

Analog-digital conversion system and method for controlling the same

#48
20160065229
2016-03-03

High-speed comparator for analog-to-digital converter

#49
20160043729
2016-02-11

Semiconductor device

#50
20160013803
2016-01-14

Systems and methods for providing a pipelined analog-to-digital converter

#51
20150370952
2015-12-24

Capacitor array and layout design method thereof

#52
20150349768
2015-12-03

Programmable switched capacitor block

#53
20150311913
2015-10-29

Distributed virtual-ground switching for SAR and pipelined ADC

#54
20150295586
2015-10-15

Analog-digital converter

#55
20150288378
2015-10-08

High resolution analog to digital converter

#56
20150280727
2015-10-01

Multiplying digital-to-analog converter and pipeline analog-to-digital converter using the same

#57
20150263757
2015-09-17

Digital to analog converter discharge circuit and associated method for analog to digital converter circuits

#58
20150244383
2015-08-27

Analog-digital converter

#59
20150222288
2015-08-06

Analog to digital converter and a method of operating an analog to digital converter

#60
20150194981
2015-07-09

Method and system for analog-to-digital converter with near-constant common mode voltage

#61
20150180498
2015-06-25

Successive approximation register analog-to-digital converter and associated control method

#62
20150146055
2015-05-28

Imaging pixels with improved analog-to-digital circuitry

#63
20150130648
2015-05-14

Method and circuit for an analog digital capacitance converter

#64
20150116140
2015-04-30

Analog-to-digital converter circuit and method of controlling analog-to-digital converter circuit

#65
20140204985
2014-07-24

Digital transceiver with switched capacitor sampling mixers and switched capacitor amplifiers

#66
20140197971
2014-07-17

Systems and methods for providing a pipelined analog-to-digital converter

#67
20140132438
2014-05-15

Circuits and methods for implementing a residue amplifier

#68
20140055295
2014-02-27

Methods and apparatus for calibrating stages in pipeline analog-to-digital converters

#69
20140002291
2014-01-02

Analog to digital conversion architecture and method with input and reference voltage scaling

#70
20130341489
2013-12-26

Solid-state imaging device

#71
20130187629
2013-07-25

Dynamic biasing of an amplifier using capacitive driving of internal bias voltages

#72
20130120173
2013-05-16

Pipelined analog-to-digital converter

#73
20130069808
2013-03-21

Analog frontend for CCD/CIS sensor

#74
20120306671
2012-12-06

Measurement method and apparatus for ADC calibration

#75
20120274497
2012-11-01

Pipelined analog-to-digital converter

#76
20120268304
2012-10-25

Switched-capacitor circuit and pipelined analog-to-digital converter

#77
20120218137
2012-08-30

Low-power area-efficient SAR ADC using dual capacitor arrays

#78
20120092198
2012-04-19

System and method of analog-to-digital converters

#79
20120081244
2012-04-05

Method and apparatus for analog to digital conversion

#80
20120038498
2012-02-16

Semiconductor integrated circuit and method of operating the same

#81
20120026026
2012-02-02

Analog-to-digital converter having a comparator for a multi-stage sampling circuit and method therefor

#82
20120024221
2012-02-02

SIGNAL AND MARKER TOOL

#83
20110285563
2011-11-24

Pipelined analog-to-digital converter and sub-converter stage

#84
20110175759
2011-07-21

OPERATIONAL AMPLIFIER AND PIPELINE AD CONVERTER

#85
20110084860
2011-04-14

Apparatus and method for pipelined analog to digital conversion

#86
20110032003
2011-02-10

Offset cancellation for sampled-data circuits

#87
20100321220
2010-12-23

1-bit cell circuit used in a pipelined analog to digital converter

#88
20100308870
2010-12-09

Switched capacitor circuit and pipelined analog-to-digital conversion circuit with the switched capacitor circuit

#89
20100225514
2010-09-09

Analog/digital conversion device

#90
20100188151
2010-07-29

Operational amplifier and pipeline AD converter

#91
20100109927
2010-05-06

Residue generators for reduction of charge injection in pipelined converter systems

#92
20100045495
2010-02-25

Switched capacitor circuit and pipeline A/D converter

#93
20090273502
2009-11-05

Fast, efficient reference networks for providing low-impedance reference signals to signal converter systems

#94
20090267650
2009-10-29

Passive offset and overshoot cancellation for sampled-data circuits

#95
20090243901
2009-10-01

Pipeline-type analog-to-digital converter

#96
20090195428
2009-08-06

Analog-to-digital converter with variable gain and method thereof

#97
20090167582
2009-07-02

Sample and hold circuit, multiplying D/A converter having the same, and A/D converter having the same

#98
20090146854
2009-06-11

Pipeline type A/D converter apparatus provided with precharge circuit for precharging sampling capacitor

#99
20090115507
2009-05-07

Method of and apparatus for reducing settling time of a switched capacitor amplifier

#100
20090072899
2009-03-19

Sharing operational amplifier between two stages of pipelined ADC and/or two channels of signal processing circuitry

#101
20080238737
2008-10-02

Reference voltage shifting technique for optimizing SNR performance in pipeline ADCs with respect to input signal

#102
20080129575
2008-06-05

Capacitor averaging converter

#103
20080122673
2008-05-29

Gain and linearity matching for multi-channel time-interleaved pipelined ADC

#104
20080042890
2008-02-21

Method, apparatus and system sharing an operational amplifier between two stages of pipelined ADC and/or two channels of signal processing circuitry

#105
20070247348
2007-10-25

Switched-capacitor reset architecture for opamp

#106
20070247347
2007-10-25

Electronic Circuit Device

#107
20070236261
2007-10-11

Circuit arrangement comprising a sample-and-hold device and method for signal processing in a sample-and-hold device

#108
20070222483
2007-09-27

Offset cancellation for sampled-data circuits

#109
20070090987
2007-04-26

Sharing operational amplifier between two stages of pipelined ADC and/or two channels of signal processing circuitry

#110
20070008282
2007-01-11

Pipeline A/D converter and method of pipeline A/D conversion

#111
20060261861
2006-11-23

Signal samplers with enhanced dynamic range

#112
20060145744
2006-07-06

Use of analog-valued floating-gate transistors to match the electrical characteristics of interleaved and pipelined circuits

#113
20060125678
2006-06-15

Methods and circuits for output of sample-and-hold in pipelined ADC

#114
20060061502
2006-03-23

Switched-capacitor circuit and pipelined A/D converter

#115
20050225461
2005-10-13

Error measuring method for digitally self-calibrating pipeline ADC and apparatus thereof

#116
20050190092
2005-09-01

Analog-to-digital converter having parametric configurablity

#117
20050110671
2005-05-26

Dummy delay line based DLL and method for clocking in pipeline ADC

#118
20050040982
2005-02-24

Pipelined analog-to-digital converter

#119
17037371
2022-01-04

Pipelined analog-to-digital converter

#120
16664554
2020-09-22

Noise shaping analog-to-digital converter

#121
16523770
2020-12-29

Voltage stabilizing techniques

#122
16361602
2019-10-01

Imaging systems with sub-radix-2 charge sharing successive approximation register (SAR) analog-to-digital converters

#123
16137876
2019-05-14

Imaging systems with sub-radix-2 charge sharing successive approximation register (SAR) analog-to-digital converters

#124
16053415
2019-10-08

Analog-to-digital converter using discrete time comparator and switched capacitor charge pump

#125
15946770
2018-09-04

Mismatch and reference common-mode offset insensitive single-ended switched capacitor gain stage

#126
14968924
2016-08-09

Switched capacitor circuit and compensation method thereof, and analog to digital converter

#127
14932798
2016-12-27

Digitally calibrated successive approximation register analog-to-digital converter

#128
14930673
2016-10-11

Analog-to-digital converting device and related calibration method and calibration module

#129
14871005
2016-08-23

Method and apparatus for compensating offset drift with temperature

#130
14855778
2016-08-30

Successive approximation analog-to-digital converter

#131
14635155
2016-06-14

Analog to digital converter for digital ultrasound probe

#132
14498759
2015-09-22

Analog to digital conversion device and analog to digital conversion method

#133
14490831
2015-12-22

Loading-free multi-stage SAR-assisted pipeline ADC that eliminates amplifier load by re-using second-stage switched capacitors as amplifier feedback capacitor

#134
14182222
2015-07-14

Asynchronous successive approximation register ADC