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 PDFInfo
- 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
Links
Classifications
-
- 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
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)
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)
| 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)
| 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)
| 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 |
-
2012
- 2012-03-28 US US13/432,195 patent/US8519877B1/en active Active
-
2013
- 2013-03-28 JP JP2015503578A patent/JP6375288B2/ja active Active
- 2013-03-28 CN CN201380013102.0A patent/CN104170405B/zh active Active
- 2013-03-28 WO PCT/US2013/034376 patent/WO2013149020A1/en not_active Ceased
Patent Citations (5)
| 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 |
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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 |