DE69425765T2 - Digital-Analogwandler - Google Patents
Digital-AnalogwandlerInfo
- Publication number
- DE69425765T2 DE69425765T2 DE69425765T DE69425765T DE69425765T2 DE 69425765 T2 DE69425765 T2 DE 69425765T2 DE 69425765 T DE69425765 T DE 69425765T DE 69425765 T DE69425765 T DE 69425765T DE 69425765 T2 DE69425765 T2 DE 69425765T2
- Authority
- DE
- Germany
- Prior art keywords
- digital
- analog converter
- analog
- converter
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- H03M1/68—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits
- H03M1/682—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits both converters being of the unary decoded type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
-
- 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
-
- 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
- H03M1/1057—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by trimming, i.e. by individually adjusting at least part of the quantisation value generators or stages to their nominal values
- H03M1/1061—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by trimming, i.e. by individually adjusting at least part of the quantisation value generators or stages to their nominal values using digitally programmable trimming circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45358—Indexing scheme relating to differential amplifiers the AAC comprising multiple transistors parallel coupled at their sources and drains only, e.g. in a cascode dif amp, only those forming the composite common source transistor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7215—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by a switch at the input of the amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7236—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers by (a ) switch(es)
-
- 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
- H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
- H03M1/0675—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy
- H03M1/0678—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy using additional components or elements, e.g. dummy components
- H03M1/068—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy using additional components or elements, e.g. dummy components the original and additional components or elements being complementary to each other, e.g. CMOS
- H03M1/0682—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy using additional components or elements, e.g. dummy components the original and additional components or elements being complementary to each other, e.g. CMOS using a differential network structure, i.e. symmetrical with respect to ground
-
- 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
- H03M1/68—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits
- H03M1/687—Segmented, i.e. the more significant bit converter being of the unary decoded type and the less significant bit converter being of the binary weighted type
-
- 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
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
- H03M1/76—Simultaneous conversion using switching tree
- H03M1/765—Simultaneous conversion using switching tree using a single level of switches which are controlled by unary decoded digital signals
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Analogue/Digital Conversion (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/007,108 US5396245A (en) | 1993-01-21 | 1993-01-21 | Digital to analog converter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69425765D1 DE69425765D1 (de) | 2000-10-12 |
DE69425765T2 true DE69425765T2 (de) | 2001-05-23 |
Family
ID=21724261
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69425765T Expired - Lifetime DE69425765T2 (de) | 1993-01-21 | 1994-01-20 | Digital-Analogwandler |
DE69434957T Expired - Lifetime DE69434957T2 (de) | 1993-01-21 | 1994-01-20 | Digital-Analog-Wandler |
DE69434102T Expired - Lifetime DE69434102T2 (de) | 1993-01-21 | 1994-01-20 | Digital-Analog-Wandler |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69434957T Expired - Lifetime DE69434957T2 (de) | 1993-01-21 | 1994-01-20 | Digital-Analog-Wandler |
DE69434102T Expired - Lifetime DE69434102T2 (de) | 1993-01-21 | 1994-01-20 | Digital-Analog-Wandler |
Country Status (4)
Country | Link |
---|---|
US (1) | US5396245A (de) |
EP (3) | EP1548946B1 (de) |
DE (3) | DE69425765T2 (de) |
HK (1) | HK1080623A1 (de) |
Families Citing this family (94)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE38083E1 (en) | 1994-03-18 | 2003-04-22 | Analog Devices, Inc. | Rail-to-rail DAC drive circuit |
US5801655A (en) * | 1995-12-19 | 1998-09-01 | Yokogawa Electric Corporation | Multi-channel D/A converter utilizing a coarse D/A converter and a fine D/A converter |
US5739780A (en) * | 1996-02-12 | 1998-04-14 | Advanced Micro Devices, Inc. | Digital to analog converter and dynamic current mirror structure to simplify on-chip wave shaping |
JPH1011022A (ja) * | 1996-06-18 | 1998-01-16 | Sharp Corp | 表示装置の駆動回路 |
JP3390325B2 (ja) * | 1997-05-21 | 2003-03-24 | 沖電気工業株式会社 | キー入力装置 |
US5859606A (en) * | 1997-07-25 | 1999-01-12 | Linear Technology Corporation | Interpolation circuit for digital-to-analog converter |
US6049300A (en) * | 1998-03-11 | 2000-04-11 | Lucent Technologies Inc. | Differential resistor-string digital to analog converter |
GB2344479A (en) | 1998-12-04 | 2000-06-07 | Asahi Chemical Ind | Resistor-type D/A convertor having a highly linear transconductor |
US6181263B1 (en) | 1999-02-26 | 2001-01-30 | Linear Technology Corp. | Signal processor |
FR2793087B1 (fr) * | 1999-04-28 | 2001-06-29 | St Microelectronics Sa | Circuit et procede de compensation de la tension de decalage dans un amplificateur operationnel |
US6246351B1 (en) * | 1999-10-07 | 2001-06-12 | Burr-Brown Corporation | LSB interpolation circuit and method for segmented digital-to-analog converter |
US6469648B2 (en) * | 2000-03-16 | 2002-10-22 | Texas Instruments Incorporated | Digital-to analog-converting method and digital-to analog converter employing common weight generating elements |
US6411242B1 (en) | 2000-06-13 | 2002-06-25 | Linear Technology Corporation | Oversampling analog-to-digital converter with improved DC offset performance |
US6798299B1 (en) * | 2000-10-26 | 2004-09-28 | Cypress Semiconductor Corporation | Crystal-less oscillator circuit with trimmable analog current control for increased stability |
US8160864B1 (en) | 2000-10-26 | 2012-04-17 | Cypress Semiconductor Corporation | In-circuit emulator and pod synchronized boot |
US8149048B1 (en) | 2000-10-26 | 2012-04-03 | Cypress Semiconductor Corporation | Apparatus and method for programmable power management in a programmable analog circuit block |
US7765095B1 (en) | 2000-10-26 | 2010-07-27 | Cypress Semiconductor Corporation | Conditional branching in an in-circuit emulation system |
US8176296B2 (en) | 2000-10-26 | 2012-05-08 | Cypress Semiconductor Corporation | Programmable microcontroller architecture |
US8103496B1 (en) | 2000-10-26 | 2012-01-24 | Cypress Semicondutor Corporation | Breakpoint control in an in-circuit emulation system |
US6724220B1 (en) | 2000-10-26 | 2004-04-20 | Cyress Semiconductor Corporation | Programmable microcontroller architecture (mixed analog/digital) |
US6486818B1 (en) | 2001-07-26 | 2002-11-26 | Maxim Integrated Products, Inc. | Segmented resistor string digital-to-analog converters |
US6507272B1 (en) | 2001-07-26 | 2003-01-14 | Maxim Integrated Products, Inc. | Enhanced linearity, low switching perturbation resistor string matrices |
US7406674B1 (en) | 2001-10-24 | 2008-07-29 | Cypress Semiconductor Corporation | Method and apparatus for generating microcontroller configuration information |
US8078970B1 (en) | 2001-11-09 | 2011-12-13 | Cypress Semiconductor Corporation | Graphical user interface with user-selectable list-box |
US8042093B1 (en) | 2001-11-15 | 2011-10-18 | Cypress Semiconductor Corporation | System providing automatic source code generation for personalization and parameterization of user modules |
US8069405B1 (en) | 2001-11-19 | 2011-11-29 | Cypress Semiconductor Corporation | User interface for efficiently browsing an electronic document using data-driven tabs |
US7844437B1 (en) | 2001-11-19 | 2010-11-30 | Cypress Semiconductor Corporation | System and method for performing next placements and pruning of disallowed placements for programming an integrated circuit |
US7770113B1 (en) | 2001-11-19 | 2010-08-03 | Cypress Semiconductor Corporation | System and method for dynamically generating a configuration datasheet |
US6971004B1 (en) | 2001-11-19 | 2005-11-29 | Cypress Semiconductor Corp. | System and method of dynamically reconfiguring a programmable integrated circuit |
US7774190B1 (en) | 2001-11-19 | 2010-08-10 | Cypress Semiconductor Corporation | Sleep and stall in an in-circuit emulation system |
US8103497B1 (en) | 2002-03-28 | 2012-01-24 | Cypress Semiconductor Corporation | External interface for event architecture |
US7308608B1 (en) | 2002-05-01 | 2007-12-11 | Cypress Semiconductor Corporation | Reconfigurable testing system and method |
US7271755B2 (en) * | 2002-05-24 | 2007-09-18 | Broadcom Corporation | Resistor ladder interpolation for PGA and DAC |
US7190298B2 (en) * | 2002-05-24 | 2007-03-13 | Broadcom Corporation | Resistor ladder interpolation for subranging ADC |
US7761845B1 (en) | 2002-09-09 | 2010-07-20 | Cypress Semiconductor Corporation | Method for parameterizing a user module |
US6911896B2 (en) * | 2003-03-31 | 2005-06-28 | Maxim Integrated Products, Inc. | Enhanced linearity, low switching perturbation resistor strings |
US6707404B1 (en) * | 2003-04-21 | 2004-03-16 | Texas Instruments Incorporated | Integral nonlinearity error correction circuitry and method for DAC |
US6937178B1 (en) | 2003-05-15 | 2005-08-30 | Linear Technology Corporation | Gradient insensitive split-core digital to analog converter |
US7414561B1 (en) * | 2003-05-15 | 2008-08-19 | Linear Technology Corporation | Gradient insensitive split-core digital to analog converter |
JP4662698B2 (ja) * | 2003-06-25 | 2011-03-30 | ルネサスエレクトロニクス株式会社 | 電流源回路、並びに電流設定方法 |
JP4328596B2 (ja) | 2003-10-27 | 2009-09-09 | 日本電気株式会社 | 差動増幅器 |
US6927717B1 (en) | 2004-02-12 | 2005-08-09 | Linear Technology Corporation | Buffered oversampling analog-to-digital converter with improved DC offset performance |
US7295049B1 (en) | 2004-03-25 | 2007-11-13 | Cypress Semiconductor Corporation | Method and circuit for rapid alignment of signals |
US8069436B2 (en) | 2004-08-13 | 2011-11-29 | Cypress Semiconductor Corporation | Providing hardware independence to automate code generation of processing device firmware |
US8286125B2 (en) | 2004-08-13 | 2012-10-09 | Cypress Semiconductor Corporation | Model for a hardware device-independent method of defining embedded firmware for programmable systems |
JP4100407B2 (ja) * | 2004-12-16 | 2008-06-11 | 日本電気株式会社 | 出力回路及びデジタルアナログ回路並びに表示装置 |
JP4472507B2 (ja) * | 2004-12-16 | 2010-06-02 | 日本電気株式会社 | 差動増幅器及びそれを用いた表示装置のデータドライバ並びに差動増幅器の制御方法 |
US7332976B1 (en) | 2005-02-04 | 2008-02-19 | Cypress Semiconductor Corporation | Poly-phase frequency synthesis oscillator |
US7015847B1 (en) | 2005-02-11 | 2006-03-21 | Analog Devices, Inc. | Digital to analog converter |
JP4661324B2 (ja) * | 2005-04-26 | 2011-03-30 | 日本電気株式会社 | デジタルアナログ回路とデータドライバ及び表示装置 |
JP2006310959A (ja) * | 2005-04-26 | 2006-11-09 | Nec Corp | 差動増幅器及び表示装置のデータドライバ並びに差動増幅器の駆動方法 |
US7400183B1 (en) | 2005-05-05 | 2008-07-15 | Cypress Semiconductor Corporation | Voltage controlled oscillator delay cell and method |
EP1732197B1 (de) * | 2005-06-09 | 2015-06-10 | Alois Jenny | Linearmotor mit integrierter Führung |
KR100735493B1 (ko) * | 2005-06-21 | 2007-07-04 | 삼성전기주식회사 | 디지털/아날로그 변환기 |
US8089461B2 (en) | 2005-06-23 | 2012-01-03 | Cypress Semiconductor Corporation | Touch wake for electronic devices |
US7161517B1 (en) * | 2005-06-29 | 2007-01-09 | Himax Technologies, Inc. | Digital-to-analog converter |
US7623217B2 (en) * | 2005-07-14 | 2009-11-24 | Via Optronics, Llc | Tool for use in affixing an optical component to a liquid crystal display (LCD) |
CN101253545B (zh) * | 2005-09-01 | 2010-09-29 | 夏普株式会社 | 显示装置及其驱动电路和驱动方法 |
US7250890B1 (en) | 2005-12-19 | 2007-07-31 | Maxim Integrated Products, Inc. | Area-efficient, digital variable resistor with high resolution |
US8035455B1 (en) | 2005-12-21 | 2011-10-11 | Cypress Semiconductor Corporation | Oscillator amplitude control network |
US8085067B1 (en) | 2005-12-21 | 2011-12-27 | Cypress Semiconductor Corporation | Differential-to-single ended signal converter circuit and method |
US8067948B2 (en) | 2006-03-27 | 2011-11-29 | Cypress Semiconductor Corporation | Input/output multiplexer bus |
US7283082B1 (en) * | 2006-06-16 | 2007-10-16 | Texas Instruments Incorporated | High-speed, high-resolution voltage output digital-to-analog converter and method |
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 |
US7417572B1 (en) * | 2006-12-27 | 2008-08-26 | Cadence Design Systems | Voltage interpolation in digital-to-analog signal conversion |
US8130025B2 (en) | 2007-04-17 | 2012-03-06 | Cypress Semiconductor Corporation | Numerical band gap |
US8026739B2 (en) | 2007-04-17 | 2011-09-27 | Cypress Semiconductor Corporation | System level interconnect with programmable switching |
US9564902B2 (en) | 2007-04-17 | 2017-02-07 | Cypress Semiconductor Corporation | Dynamically configurable and re-configurable data path |
US8040266B2 (en) | 2007-04-17 | 2011-10-18 | Cypress Semiconductor Corporation | Programmable sigma-delta analog-to-digital converter |
US8092083B2 (en) | 2007-04-17 | 2012-01-10 | Cypress Semiconductor Corporation | Temperature sensor with digital bandgap |
US8516025B2 (en) * | 2007-04-17 | 2013-08-20 | Cypress Semiconductor Corporation | Clock driven dynamic datapath chaining |
US7737724B2 (en) | 2007-04-17 | 2010-06-15 | Cypress Semiconductor Corporation | Universal digital block interconnection and channel routing |
US8266575B1 (en) | 2007-04-25 | 2012-09-11 | Cypress Semiconductor Corporation | Systems and methods for dynamically reconfiguring a programmable system on a chip |
US9720805B1 (en) | 2007-04-25 | 2017-08-01 | Cypress Semiconductor Corporation | System and method for controlling a target device |
US8065653B1 (en) | 2007-04-25 | 2011-11-22 | Cypress Semiconductor Corporation | Configuration of programmable IC design elements |
KR101361275B1 (ko) * | 2007-08-08 | 2014-02-11 | 엘지전자 주식회사 | 디지털 디스플레이의 디지털 아날로그 변환 장치 |
US8049569B1 (en) | 2007-09-05 | 2011-11-01 | Cypress Semiconductor Corporation | Circuit and method for improving the accuracy of a crystal-less oscillator having dual-frequency modes |
US7796060B2 (en) * | 2008-08-07 | 2010-09-14 | Texas Instruments Incorporated | Circuits and methods to minimize nonlinearity errors in interpolating circuits |
US8633733B2 (en) | 2009-03-27 | 2014-01-21 | Rambus Inc. | Voltage mode transmitter equalizer |
JP4764493B2 (ja) * | 2009-04-22 | 2011-09-07 | ルネサスエレクトロニクス株式会社 | 半導体装置及びそれを用いた表示装置のデータドライバ |
US9448964B2 (en) | 2009-05-04 | 2016-09-20 | Cypress Semiconductor Corporation | Autonomous control in a programmable system |
US8531206B2 (en) | 2009-09-14 | 2013-09-10 | Rambus Inc. | High resolution output driver |
JP5607963B2 (ja) * | 2010-03-19 | 2014-10-15 | スパンション エルエルシー | 基準電圧回路および半導体集積回路 |
US8476971B2 (en) * | 2010-05-14 | 2013-07-02 | Taiwan Semiconductor Manufacturing Co., Ltd. | Buffer operational amplifier with self-offset compensator and embedded segmented DAC for improved linearity LCD driver |
US8941522B2 (en) | 2012-05-04 | 2015-01-27 | Analog Devices Technology | Segmented digital-to-analog converter having weighted current sources |
CN103368574A (zh) * | 2013-05-27 | 2013-10-23 | 苏州贝克微电子有限公司 | 数字模拟转换器 |
JP2016154328A (ja) * | 2015-02-17 | 2016-08-25 | 株式会社半導体エネルギー研究所 | 半導体装置、電子部品、及び電子機器 |
US9515671B1 (en) | 2015-06-06 | 2016-12-06 | Silicon Laboratories Inc. | Apparatus for gain selection with compensation for parasitic elements and associated methods |
US9407278B1 (en) | 2015-07-01 | 2016-08-02 | Analog Devices Global | Digital to analog converter |
US10957237B2 (en) * | 2015-12-28 | 2021-03-23 | Semiconductor Energy Laboratory Co., Ltd. | Circuit, semiconductor device, display device, electronic device, and driving method of circuit |
CN110663188B (zh) | 2017-06-21 | 2023-04-04 | 德州仪器公司 | 分段式数/模转换器 |
WO2019119349A1 (en) | 2017-12-21 | 2019-06-27 | Texas Instruments Incorporated | Interpolation digital-to-analog converter (dac) |
US10574247B1 (en) | 2018-09-14 | 2020-02-25 | Analog Devices Global Unlimited Company | Digital-to-analog converter transfer function modification |
US11811420B2 (en) | 2022-01-21 | 2023-11-07 | Texas Instruments Incorporated | Digital-to-analog converter with cascaded least significant bit (LSB) interpolator circuit |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4092639A (en) * | 1976-01-06 | 1978-05-30 | Precision Monolithics, Inc. | Digital to analog converter with complementary true current outputs |
JPS57133721A (en) * | 1981-02-13 | 1982-08-18 | Sony Corp | Da converting circuit |
US4567463A (en) * | 1982-02-23 | 1986-01-28 | Burr-Brown Corporation | Circuit for improving the performance of digital to analog converters |
JPS5944125A (ja) * | 1982-09-07 | 1984-03-12 | Toshiba Corp | デジタル−アナログ変換器 |
US4866261A (en) * | 1987-01-02 | 1989-09-12 | Motorola, Inc. | Data limiter having current controlled response time |
JPS63224415A (ja) * | 1987-03-13 | 1988-09-19 | Toshiba Corp | デイジタル−アナログ変換器 |
US4978959A (en) * | 1987-10-08 | 1990-12-18 | University Of Toronto Innovations Foundation | Analog to digital converter, a digital to analog converter and an operational amplifier therefor |
DE3781277D1 (de) * | 1987-10-09 | 1992-09-24 | Ibm | Geraet zur aufloesungsausdehnung eines n-bit-ohmschen digital-analog-umsetzers in einen (n+p)-bit-digital-analog-umsetzer. |
JPH01164125A (ja) * | 1987-12-21 | 1989-06-28 | Nissan Motor Co Ltd | D/a変換回路 |
US4859930A (en) * | 1988-02-16 | 1989-08-22 | Schouwenaars Hendrikus J | Current source arrangement |
EP0472372A3 (en) * | 1990-08-18 | 1994-06-15 | Fujitsu Ltd | Digital-to-analog converter having variable circuit parameters |
-
1993
- 1993-01-21 US US08/007,108 patent/US5396245A/en not_active Expired - Lifetime
-
1994
- 1994-01-20 EP EP04025462A patent/EP1548946B1/de not_active Expired - Lifetime
- 1994-01-20 EP EP00103327A patent/EP1005171B1/de not_active Expired - Lifetime
- 1994-01-20 DE DE69425765T patent/DE69425765T2/de not_active Expired - Lifetime
- 1994-01-20 DE DE69434957T patent/DE69434957T2/de not_active Expired - Lifetime
- 1994-01-20 DE DE69434102T patent/DE69434102T2/de not_active Expired - Lifetime
- 1994-01-20 EP EP94100806A patent/EP0607971B1/de not_active Expired - Lifetime
-
2005
- 2005-12-15 HK HK05111577A patent/HK1080623A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0607971B1 (de) | 2000-09-06 |
HK1080623A1 (en) | 2006-04-28 |
EP1548946B1 (de) | 2007-04-18 |
EP0607971A2 (de) | 1994-07-27 |
EP1548946A1 (de) | 2005-06-29 |
DE69434957T2 (de) | 2007-09-06 |
EP1005171A3 (de) | 2000-06-28 |
DE69434102T2 (de) | 2006-02-02 |
US5396245A (en) | 1995-03-07 |
EP0607971A3 (en) | 1995-11-29 |
EP1005171A2 (de) | 2000-05-31 |
DE69434102D1 (de) | 2004-12-02 |
DE69434957D1 (de) | 2007-05-31 |
DE69425765D1 (de) | 2000-10-12 |
EP1005171B1 (de) | 2004-10-27 |
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