JP6375288B2 - オーディオ信号を再生するための低ノイズ及び低電力配置 - Google Patents

オーディオ信号を再生するための低ノイズ及び低電力配置 Download PDF

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Publication number
JP6375288B2
JP6375288B2 JP2015503578A JP2015503578A JP6375288B2 JP 6375288 B2 JP6375288 B2 JP 6375288B2 JP 2015503578 A JP2015503578 A JP 2015503578A JP 2015503578 A JP2015503578 A JP 2015503578A JP 6375288 B2 JP6375288 B2 JP 6375288B2
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output
amplifier
digital
current
analog
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Japanese (ja)
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JP2015519778A5 (enExample
JP2015519778A (ja
Inventor
クマール バランワル シャイレンドラ
クマール バランワル シャイレンドラ
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日本テキサス・インスツルメンツ株式会社
テキサス インスツルメンツ インコーポレイテッド
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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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0602—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H03M1/0604—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic at one point, i.e. by adjusting a single reference value, e.g. bias or gain error
    • 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
    • H03M1/74—Simultaneous conversion
    • H03M1/742—Simultaneous conversion using current sources as quantisation value generators
    • H03M1/747—Simultaneous conversion using current sources as quantisation value generators with equal currents which are switched by unary decoded digital signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2015503578A 2012-03-28 2013-03-28 オーディオ信号を再生するための低ノイズ及び低電力配置 Active JP6375288B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/432,195 2012-03-28
US13/432,195 US8519877B1 (en) 2012-03-28 2012-03-28 Low noise and low power arrangement for playing audio signals
PCT/US2013/034376 WO2013149020A1 (en) 2012-03-28 2013-03-28 Low noise and low power arrangement for playing audio signals

Publications (3)

Publication Number Publication Date
JP2015519778A JP2015519778A (ja) 2015-07-09
JP2015519778A5 JP2015519778A5 (enExample) 2016-05-26
JP6375288B2 true JP6375288B2 (ja) 2018-08-15

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ID=48999764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015503578A Active JP6375288B2 (ja) 2012-03-28 2013-03-28 オーディオ信号を再生するための低ノイズ及び低電力配置

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Country Link
US (1) US8519877B1 (enExample)
JP (1) JP6375288B2 (enExample)
CN (1) CN104170405B (enExample)
WO (1) WO2013149020A1 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8836560B2 (en) * 2012-12-05 2014-09-16 Maxim Integrated Products, Inc. Digital to analog converters with adjustable output resolution
FR3042928B1 (fr) * 2015-10-21 2018-11-30 Thales Sa Dispositif de generation de signaux analogiques et utilisation associee
US10354641B1 (en) * 2018-02-13 2019-07-16 Bose Corporation Acoustic noise reduction audio system having tap control
CN109004936B (zh) * 2018-08-07 2023-08-01 上海艾为电子技术股份有限公司 一种数字模拟转换器及数字功放子系统
CN110267162B (zh) * 2019-06-18 2021-06-29 福州大学 基于System Generator的音频数模转换器
US10819365B1 (en) * 2020-02-06 2020-10-27 Analog Devices, Inc. Utilizing current memory property in current steering digital-to-analog converters
US11996866B2 (en) 2022-03-21 2024-05-28 xMEMS Labs, Inc. Feedback control system achieving high performance via density modulation
WO2023238498A1 (ja) * 2022-06-07 2023-12-14 ソニーセミコンダクタソリューションズ株式会社 アナログ回路

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Publication number Priority date Publication date Assignee Title
US5995030A (en) * 1995-02-16 1999-11-30 Advanced Micro Devices Apparatus and method for a combination D/A converter and FIR filter employing active current division from a single current source
FR2733650B1 (fr) * 1995-04-28 1997-07-18 Sgs Thomson Microelectronics Convertisseur numerique/analogique de precision
US5838807A (en) * 1995-10-19 1998-11-17 Mitel Semiconductor, Inc. Trimmable variable compression amplifier for hearing aid
US5729230A (en) * 1996-01-17 1998-03-17 Hughes Aircraft Company Delta-Sigma Δ-Σ modulator having a dynamically tunable continuous time Gm-C architecture
US5939991A (en) * 1996-10-22 1999-08-17 Eaton Corporation Circuit breaker with current level indicator
FR2787280B1 (fr) * 1998-12-14 2001-01-05 Cit Alcatel Circuit electronique de conversion numerique-analogique pour une chaine de transmission en bande de base
DE60233412D1 (de) * 2001-06-08 2009-10-01 Broadcom Corp Integrierter signalaufwärtsverstärker für kabelmodems und kabel-beistellgeräte
US7088789B2 (en) * 2002-07-19 2006-08-08 Mediatek Inc. Apparatus for providing a multi-mode interface between a baseband receiver and radio frequency circuitry
US7199741B2 (en) * 2003-10-24 2007-04-03 Infineon Technologies Ag Method for digital/analog conversion and corresponding digital/analog converter device
US7369078B2 (en) * 2004-08-16 2008-05-06 National Instruments Corporation Flexible converter interface for use in analog-to-digital and digital-to-analog systems
US7227481B2 (en) * 2004-09-10 2007-06-05 Analog Devices, Inc. Feedback DAC chopper stabilization in a CT single-ended multi-bit sigma delta ADC
US7656333B2 (en) * 2005-09-05 2010-02-02 Nxp B.V. Digital-to-analog converter of the finite impulse response type
US7248192B2 (en) * 2005-11-03 2007-07-24 Analog Devices, Inc. Digital to analog converter and a ground offset compensation circuit
JP4401378B2 (ja) * 2006-11-02 2010-01-20 Ｎｅｃエレクトロニクス株式会社 デジタルアナログ変換回路とデータドライバ及びそれを用いた表示装置
US7528760B2 (en) * 2007-01-26 2009-05-05 Texas Insturments Incorporated Class D analog-to-digital converter
JP4492713B2 (ja) * 2008-02-21 2010-06-30 セイコーエプソン株式会社 集積回路装置及び電子機器
JP4497213B2 (ja) * 2008-02-21 2010-07-07 セイコーエプソン株式会社 集積回路装置及び電子機器
US7535396B1 (en) * 2008-03-20 2009-05-19 Cirrus Logic, Inc. Digital-to-analog converter (DAC) having filter sections with differing polarity
CN101686057B (zh) * 2008-09-28 2012-02-29 扬智科技股份有限公司 数字模拟转换器
JP5246016B2 (ja) * 2009-04-24 2013-07-24 ソニー株式会社 Ｄａ変換装置、固体撮像素子、およびカメラシステム
US7956782B2 (en) * 2009-06-11 2011-06-07 Honeywell International Inc. Current-mode sigma-delta digital-to-analog converter
KR101377588B1 (ko) * 2009-10-12 2014-03-25 한국전자통신연구원 디지털 ｒｆ 변환기 및 그 ｒｆ 변환 방법
US8018365B1 (en) * 2010-03-14 2011-09-13 Mediatek Inc. Continuous-time delta-sigma ADC with compact structure
US8441382B2 (en) 2010-03-15 2013-05-14 Stmicroelectronics Pvt. Ltd. Current steering DAC with switched cascode output current source/sink

Also Published As

Publication number Publication date
CN104170405A (zh) 2014-11-26
WO2013149020A1 (en) 2013-10-03
CN104170405B (zh) 2018-01-09
US8519877B1 (en) 2013-08-27
JP2015519778A (ja) 2015-07-09

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