TW200505168A - Data converter with background auto-zeroing via active interpolation - Google Patents
Data converter with background auto-zeroing via active interpolationInfo
- Publication number
- TW200505168A TW200505168A TW093111860A TW93111860A TW200505168A TW 200505168 A TW200505168 A TW 200505168A TW 093111860 A TW093111860 A TW 093111860A TW 93111860 A TW93111860 A TW 93111860A TW 200505168 A TW200505168 A TW 200505168A
- Authority
- TW
- Taiwan
- Prior art keywords
- comparison units
- data converter
- zeroing
- input signal
- via active
- Prior art date
Links
Classifications
-
- 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
- H03M1/1023—Offset correction
-
- 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
- H03M1/1004—Calibration or testing without interrupting normal operation, e.g. by providing an additional component for temporarily replacing components to be tested or calibrated
-
- 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
- H03M1/12—Analogue/digital converters
- H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
- H03M1/202—Increasing resolution using an n bit system to obtain n + m bits by interpolation
- H03M1/206—Increasing resolution using an n bit system to obtain n + m bits by interpolation using a logic interpolation circuit
-
- 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
- H03M1/34—Analogue value compared with reference values
- H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
- H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type
- H03M1/362—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type the reference values being generated by a resistive voltage divider
- H03M1/365—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type the reference values being generated by a resistive voltage divider the voltage divider being a single resistor string
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/604,527 US6856265B2 (en) | 2002-03-28 | 2003-07-29 | Data converter with background auto-zeroing via active interpolation |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200505168A true TW200505168A (en) | 2005-02-01 |
TWI256772B TWI256772B (en) | 2006-06-11 |
Family
ID=34375632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093111860A TWI256772B (en) | 2003-07-29 | 2004-04-28 | Data converter with background auto-zeroing via active interpolation |
Country Status (3)
Country | Link |
---|---|
US (1) | US6856265B2 (zh) |
CN (1) | CN1538623B (zh) |
TW (1) | TWI256772B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7330066B2 (en) * | 2005-05-25 | 2008-02-12 | Himax Technologies Limited | Reference voltage generation circuit that generates gamma voltages for liquid crystal displays |
US20080048731A1 (en) * | 2006-08-25 | 2008-02-28 | Faraday Technology Corp. | Comparator and method for operating thereof |
US7817073B2 (en) * | 2007-06-15 | 2010-10-19 | Micron Technology, Inc. | Integrators for delta-sigma modulators |
CN101083521B (zh) * | 2007-07-23 | 2012-01-11 | 友达光电股份有限公司 | 差动信号传送系统 |
JP2010268349A (ja) * | 2009-05-18 | 2010-11-25 | Renesas Electronics Corp | アナログ/デジタル変換回路及びアナログ/デジタル変換方法 |
JP5494273B2 (ja) * | 2010-06-18 | 2014-05-14 | 富士通株式会社 | Ad変換回路およびad変換方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5138318A (en) * | 1989-10-16 | 1992-08-11 | Matsushita Electric Industrial Co., Ltd. | Differential voltage buffer amplifier circuit and serial-parallel A-D converter |
US5990814A (en) * | 1997-09-05 | 1999-11-23 | Cirrus Logic, Inc. | Method and circuit for calibration of flash analog to digital converters |
US6121912A (en) * | 1998-09-30 | 2000-09-19 | National Semiconductor Corporation | Subranging analog-to-digital converter and method |
JP4178702B2 (ja) * | 1999-12-28 | 2008-11-12 | ソニー株式会社 | 差動増幅器、コンパレータ、及びa/dコンバータ |
TW564598B (en) * | 2001-07-13 | 2003-12-01 | Via Tech Inc | Data converter using active interpolation in background auto-zeroing |
-
2003
- 2003-07-29 US US10/604,527 patent/US6856265B2/en not_active Expired - Lifetime
-
2004
- 2004-04-28 TW TW093111860A patent/TWI256772B/zh active
- 2004-05-25 CN CN200410045932.4A patent/CN1538623B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN1538623A (zh) | 2004-10-20 |
TWI256772B (en) | 2006-06-11 |
US20040135715A1 (en) | 2004-07-15 |
CN1538623B (zh) | 2010-05-12 |
US6856265B2 (en) | 2005-02-15 |
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