JP2024505877A - ルックアップテーブルベースのアナログ‐デジタルコンバータ - Google Patents

ルックアップテーブルベースのアナログ‐デジタルコンバータ Download PDF

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Publication number
JP2024505877A
JP2024505877A JP2023545228A JP2023545228A JP2024505877A JP 2024505877 A JP2024505877 A JP 2024505877A JP 2023545228 A JP2023545228 A JP 2023545228A JP 2023545228 A JP2023545228 A JP 2023545228A JP 2024505877 A JP2024505877 A JP 2024505877A
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analog
digital
digital converter
converter
output
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Japanese (ja)
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JP2024505877A5 (https=
Inventor
アッパラ ペンタコタ ヴィスヴェスヴァラヤ
ラジャゴパル ナラシムハン
チャンドラハス シェッティ チラグ
ケイ プラサンス
シュリヴァスタヴァ ニーラジ
ミグラニ イーシャン
ヴェンカタラマン ジャガンナサン
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テキサス インスツルメンツ インコーポレイテッド
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Publication of JP2024505877A publication Critical patent/JP2024505877A/ja
Publication of JP2024505877A5 publication Critical patent/JP2024505877A5/ja
Pending legal-status Critical Current

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    • 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
    • H03M1/1071—Measuring or testing
    • H03M1/109—Measuring or testing for DC performance, i.e. static testing
    • 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
    • H03M1/1019—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error by storing a corrected or correction value in a digital look-up table
    • 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
    • H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
    • H03M1/1038—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
    • 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
    • H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
    • H03M1/1038—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
    • H03M1/1042—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables the look-up table containing corrected values for replacing the original digital values
    • 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
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
    • H03M1/1245—Details of sampling arrangements or methods
    • 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
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/662—Multiplexed conversion systems

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Analogue/Digital Conversion (AREA)
JP2023545228A 2021-01-26 2022-01-26 ルックアップテーブルベースのアナログ‐デジタルコンバータ Pending JP2024505877A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17/158,526 US11316525B1 (en) 2021-01-26 2021-01-26 Lookup-table-based analog-to-digital converter
US17/158,526 2021-01-26
PCT/US2022/013802 WO2022164841A1 (en) 2021-01-26 2022-01-26 Lookup-table-based analog-to-digital converter

Publications (2)

Publication Number Publication Date
JP2024505877A true JP2024505877A (ja) 2024-02-08
JP2024505877A5 JP2024505877A5 (https=) 2025-01-28

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JP2023545228A Pending JP2024505877A (ja) 2021-01-26 2022-01-26 ルックアップテーブルベースのアナログ‐デジタルコンバータ

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Country Link
US (1) US11316525B1 (https=)
EP (1) EP4285488A4 (https=)
JP (1) JP2024505877A (https=)
CN (1) CN116803009A (https=)
WO (1) WO2022164841A1 (https=)

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US11881867B2 (en) * 2021-02-01 2024-01-23 Texas Instruments Incorporated Calibration scheme for filling lookup table in an ADC
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US12074607B2 (en) 2022-05-26 2024-08-27 Texas Instruments Incorporated Analog-to-digital converter (ADC) having linearization circuit with reconfigurable lookup table (LUT) memory and calibration options
US12191877B2 (en) 2022-08-30 2025-01-07 Texas Instruments Incorporated Multi-bit voltage-to-delay conversion in data converter circuitry
US12355460B2 (en) 2022-11-22 2025-07-08 Texas Instruments Incorporated Calibration in non-linear multi-stage delay-to-digital conversion circuits
US12273104B2 (en) * 2023-02-28 2025-04-08 Texas Instruments Incorporated Methods and apparatus to convert analog voltages to delay signals
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US12542563B2 (en) 2024-03-28 2026-02-03 Texas Instruments Incorporated Linearization of delay domain analog-to-digital converters

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Publication number Publication date
CN116803009A (zh) 2023-09-22
WO2022164841A1 (en) 2022-08-04
US11316525B1 (en) 2022-04-26
EP4285488A1 (en) 2023-12-06
EP4285488A4 (en) 2024-04-10

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