IT1395248B1 - Comparatore con compensazione di offset, in particolare per convertitori analogico-digitali - Google Patents

Comparatore con compensazione di offset, in particolare per convertitori analogico-digitali

Info

Publication number
IT1395248B1
IT1395248B1 ITTO2009A000207A ITTO20090207A IT1395248B1 IT 1395248 B1 IT1395248 B1 IT 1395248B1 IT TO2009A000207 A ITTO2009A000207 A IT TO2009A000207A IT TO20090207 A ITTO20090207 A IT TO20090207A IT 1395248 B1 IT1395248 B1 IT 1395248B1
Authority
IT
Italy
Prior art keywords
analogue
comparator
digital converters
offset compensation
compensation
Prior art date
Application number
ITTO2009A000207A
Other languages
English (en)
Inventor
Manuel Salvatore Santoro
Fabio Bottinelli
Original Assignee
St Microelectronics Rousset
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by St Microelectronics Rousset filed Critical St Microelectronics Rousset
Priority to ITTO2009A000207A priority Critical patent/IT1395248B1/it
Priority to CN201010173069.6A priority patent/CN101841335B/zh
Priority to US12/727,104 priority patent/US8248108B2/en
Publication of ITTO20090207A1 publication Critical patent/ITTO20090207A1/it
Application granted granted Critical
Publication of IT1395248B1 publication Critical patent/IT1395248B1/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • H03K5/2472—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors
    • H03K5/249—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors using clock signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • H03K5/2472—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors
    • H03K5/2481—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors with at least one differential stage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1014—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H03M1/1023—Offset correction
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
    • H03M1/46—Analogue value compared with reference values sequentially only, e.g. successive approximation type with digital/analogue converter for supplying reference values to converter

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Analogue/Digital Conversion (AREA)
ITTO2009A000207A 2009-03-18 2009-03-18 Comparatore con compensazione di offset, in particolare per convertitori analogico-digitali IT1395248B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITTO2009A000207A IT1395248B1 (it) 2009-03-18 2009-03-18 Comparatore con compensazione di offset, in particolare per convertitori analogico-digitali
CN201010173069.6A CN101841335B (zh) 2009-03-18 2010-03-18 具有偏移补偿的比较器
US12/727,104 US8248108B2 (en) 2009-03-18 2010-03-18 Comparator with offset compensation, in particular for analog digital converters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO2009A000207A IT1395248B1 (it) 2009-03-18 2009-03-18 Comparatore con compensazione di offset, in particolare per convertitori analogico-digitali

Publications (2)

Publication Number Publication Date
ITTO20090207A1 ITTO20090207A1 (it) 2010-09-19
IT1395248B1 true IT1395248B1 (it) 2012-09-05

Family

ID=41061322

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2009A000207A IT1395248B1 (it) 2009-03-18 2009-03-18 Comparatore con compensazione di offset, in particolare per convertitori analogico-digitali

Country Status (3)

Country Link
US (1) US8248108B2 (it)
CN (1) CN101841335B (it)
IT (1) IT1395248B1 (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100983191B1 (ko) * 2008-02-20 2010-09-20 삼성에스디아이 주식회사 원통형 이차 전지
US8736310B2 (en) 2010-12-17 2014-05-27 Stmicroelectronics Asia Pacific Pte. Ltd. Comparator with offset compensation and improved dynamic range
TWI443968B (zh) * 2011-04-08 2014-07-01 Raydium Semiconductor Corp 源極驅動器及其接收器
US8487659B2 (en) * 2011-04-22 2013-07-16 Analog Devices, Inc. Comparator with adaptive timing
US8493096B1 (en) * 2012-02-14 2013-07-23 Em Microelectronic-Marin S.A. Method for performing a tri-state comparison of two input signals in a window comparator circuit, and window comparator circuit for implementing the method
US8570095B1 (en) * 2012-05-11 2013-10-29 Semiconductor Components Industries, Llc Offset-compensated active load and method
US9124279B2 (en) 2012-09-03 2015-09-01 Tensorcom, Inc. Method and apparatus for an active negative-capacitor circuit to cancel the input capacitance of comparators
KR102066604B1 (ko) * 2012-12-26 2020-02-11 에스케이하이닉스 주식회사 비교기 회로 및 신호 비교 방법
KR102037686B1 (ko) * 2013-04-17 2019-10-31 에스케이하이닉스 주식회사 차동 증폭기 회로
KR102103933B1 (ko) 2013-09-04 2020-04-24 삼성전자주식회사 연속 접근 방식 아날로그-디지털 변환기 및 아날로그-디지털 변환 방법
US9264002B2 (en) * 2014-02-19 2016-02-16 Analog Devices Global Apparatus and methods for improving common mode rejection ratio
CN105245232A (zh) * 2015-11-10 2016-01-13 上海芯圣电子股份有限公司 一种逐次逼近模数转换器
IT201800005777A1 (it) * 2018-05-28 2019-11-28 Amplificatore differenziale, circuito integrato, sistema, amplificatore da strumentazione e procedimento corrispondenti
TWI672002B (zh) * 2018-09-17 2019-09-11 創意電子股份有限公司 比較器電路系統
EP3672077B1 (en) * 2018-12-19 2022-07-27 Socionext Inc. Comparator circuitry
US10594308B1 (en) * 2018-12-31 2020-03-17 Qualcomm Incorporated Digitally assisted control over comparator input common mode
CN112398472B (zh) * 2019-08-14 2023-04-18 天津大学青岛海洋技术研究院 一种用于图像传感器的误差量化10位单斜adc
US11658625B2 (en) 2020-01-31 2023-05-23 Stmicroelectronics S.R.L. Amplifier circuit, corresponding comparator device and method
US11742843B2 (en) * 2020-04-23 2023-08-29 Silicon Laboratories Inc. Apparatus for offset cancellation in comparators and associated methods
US11764759B2 (en) 2020-04-23 2023-09-19 Silicon Laboratories Inc. Apparatus for offset cancellation in comparators and associated methods
EP3910795A1 (en) * 2020-05-13 2021-11-17 ams International AG Comparator circuit
FR3121559B1 (fr) * 2021-03-31 2024-05-24 St Microelectronics Grenoble 2 Convertisseur analogique-numérique par approximations successives multicanaux

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6750704B1 (en) * 2003-01-09 2004-06-15 Motorola, Inc. Offset compensated differential amplifier
CN100334808C (zh) * 2003-01-10 2007-08-29 松下电器产业株式会社 具有偏移补偿功能的数模转换器件及其偏移补偿方法
US7208980B2 (en) 2005-01-21 2007-04-24 Broadcom Corporation Comparator with offset compensation
US7336214B2 (en) * 2005-12-16 2008-02-26 Alexander Krymski Analog to digital converter circuit with offset reduction and image sensor using the same
US7498850B2 (en) * 2007-06-22 2009-03-03 Intel Corporation Compensated comparator for use in lower voltage, higher speed non-volatile memory

Also Published As

Publication number Publication date
CN101841335B (zh) 2015-03-18
CN101841335A (zh) 2010-09-22
US20100237907A1 (en) 2010-09-23
US8248108B2 (en) 2012-08-21
ITTO20090207A1 (it) 2010-09-19

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