CN104170405B - 用于播放音频信号的低噪声低功耗装置 - Google Patents

用于播放音频信号的低噪声低功耗装置 Download PDF

Info

Publication number
CN104170405B
CN104170405B CN201380013102.0A CN201380013102A CN104170405B CN 104170405 B CN104170405 B CN 104170405B CN 201380013102 A CN201380013102 A CN 201380013102A CN 104170405 B CN104170405 B CN 104170405B
Authority
CN
China
Prior art keywords
output
digital
current source
current
amplifier
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201380013102.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN104170405A (zh
Inventor
S·K·巴兰瓦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of CN104170405A publication Critical patent/CN104170405A/zh
Application granted granted Critical
Publication of CN104170405B publication Critical patent/CN104170405B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0602Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H03M1/0604Continuously 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66Digital/analogue converters
    • H03M1/74Simultaneous conversion
    • H03M1/742Simultaneous conversion using current sources as quantisation value generators
    • H03M1/747Simultaneous conversion using current sources as quantisation value generators with equal currents which are switched by unary decoded digital signals
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00Conversion of analogue values to or from differential modulation
    • H03M3/30Delta-sigma modulation
    • H03M3/50Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502Details of the final digital/analogue conversion following the digital delta-sigma modulation

Landscapes

  • 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)
CN201380013102.0A 2012-03-28 2013-03-28 用于播放音频信号的低噪声低功耗装置 Active CN104170405B (zh)

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 (2)

Publication Number Publication Date
CN104170405A CN104170405A (zh) 2014-11-26
CN104170405B true CN104170405B (zh) 2018-01-09

Family

ID=48999764

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380013102.0A Active CN104170405B (zh) 2012-03-28 2013-03-28 用于播放音频信号的低噪声低功耗装置

Country Status (4)

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

Families Citing this family (8)

* 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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838807A (en) * 1995-10-19 1998-11-17 Mitel Semiconductor, Inc. Trimmable variable compression amplifier for hearing aid
CN101174837A (zh) * 2006-11-02 2008-05-07 恩益禧电子股份有限公司 数字模拟转换电路、数据驱动器及使用其的显示装置
US7535396B1 (en) * 2008-03-20 2009-05-19 Cirrus Logic, Inc. Digital-to-analog converter (DAC) having filter sections with differing polarity
CN101686057A (zh) * 2008-09-28 2010-03-31 扬智科技股份有限公司 数字模拟转换器
CN101873140A (zh) * 2009-04-24 2010-10-27 索尼公司 数模转换器、固态摄像器件以及相机系统

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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
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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838807A (en) * 1995-10-19 1998-11-17 Mitel Semiconductor, Inc. Trimmable variable compression amplifier for hearing aid
CN101174837A (zh) * 2006-11-02 2008-05-07 恩益禧电子股份有限公司 数字模拟转换电路、数据驱动器及使用其的显示装置
US7535396B1 (en) * 2008-03-20 2009-05-19 Cirrus Logic, Inc. Digital-to-analog converter (DAC) having filter sections with differing polarity
CN101686057A (zh) * 2008-09-28 2010-03-31 扬智科技股份有限公司 数字模拟转换器
CN101873140A (zh) * 2009-04-24 2010-10-27 索尼公司 数模转换器、固态摄像器件以及相机系统

Also Published As

Publication number Publication date
CN104170405A (zh) 2014-11-26
WO2013149020A1 (en) 2013-10-03
US8519877B1 (en) 2013-08-27
JP2015519778A (ja) 2015-07-09
JP6375288B2 (ja) 2018-08-15

Similar Documents

Publication Publication Date Title
CN104170405B (zh) 用于播放音频信号的低噪声低功耗装置
EP2002558B1 (en) High efficiency converter providing switching amplifier bias
US10554189B2 (en) Analogue signal paths
US10008994B2 (en) Audio amplifier system
CN104145425B (zh) 数字输入d类音频放大器
US20030189461A1 (en) Chopper chopper-stabilized operational amplifiers and methods
US9225293B2 (en) Pop and click noise reduction
CN102273079A (zh) 积分器电路及具备该积分器电路的δς调制器
US10320337B2 (en) Fully-differential operational amplifier system
US20130243223A1 (en) Audio signal processing circuit, car audio apparatus using the same, audio component apparatus, electronic device and output audio signal generating method
CN100505551C (zh) 数字/模拟转换的方法与相关装置
JP4748534B2 (ja) 平衡増幅器及び電子回路
JP3878458B2 (ja) A/dコンバータ
US20180278217A1 (en) Amplifier, audio signal output method, and electronic device
US20230098492A1 (en) Pulse-width modulation audio amplifier having compensated regulation loop
KR20240095449A (ko) 유한 임펄스 응답 입력 디지털-아날로그 컨버터
US20250119106A1 (en) Methods and apparatus to reduce mismatches between differential pairs of signals
US6909292B1 (en) Method for suppressing even order harmonics in a device that utilizes transconductors
US20250030387A1 (en) Switching drivers with voltage monitoring
GB2504741A (en) Differential to single-ended converter suitable for an audio driver
JP3929832B2 (ja) 入力信号処理回路
JP4461480B2 (ja) 増幅器
US20120314880A1 (en) Stereo Headset Amplifier
US9444488B1 (en) Signal modulation circuit
JP2006135449A (ja) アンプ

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant