TW200734851A - Apparatus for error compensation of self calibrating current source - Google Patents
Apparatus for error compensation of self calibrating current sourceInfo
- Publication number
- TW200734851A TW200734851A TW095107715A TW95107715A TW200734851A TW 200734851 A TW200734851 A TW 200734851A TW 095107715 A TW095107715 A TW 095107715A TW 95107715 A TW95107715 A TW 95107715A TW 200734851 A TW200734851 A TW 200734851A
- Authority
- TW
- Taiwan
- Prior art keywords
- current source
- self calibrating
- error
- calibrating current
- bias signal
- 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
- H03M1/1033—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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Amplifiers (AREA)
- Control Of Electrical Variables (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095107715A TWI287698B (en) | 2006-03-08 | 2006-03-08 | Apparatus for error compensation of self calibrating current source |
US11/308,871 US7292167B2 (en) | 2006-03-08 | 2006-05-18 | Apparatus for error compensation of self calibrating current source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095107715A TWI287698B (en) | 2006-03-08 | 2006-03-08 | Apparatus for error compensation of self calibrating current source |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200734851A true TW200734851A (en) | 2007-09-16 |
TWI287698B TWI287698B (en) | 2007-10-01 |
Family
ID=38478398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095107715A TWI287698B (en) | 2006-03-08 | 2006-03-08 | Apparatus for error compensation of self calibrating current source |
Country Status (2)
Country | Link |
---|---|
US (1) | US7292167B2 (zh) |
TW (1) | TWI287698B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI412910B (zh) * | 2009-11-02 | 2013-10-21 | Nanya Technology Corp | 可局部校正之電流源及其相關之微型晶片與方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8325072B2 (en) * | 2011-01-10 | 2012-12-04 | Intel Mobile Communications GmbH | Calibration circuit and method for calibrating capacitive compensation in digital-to-analog converters |
CN102970037B (zh) * | 2011-09-01 | 2016-05-25 | 国民技术股份有限公司 | 一种电流源自校准电路 |
US8576101B1 (en) * | 2012-11-05 | 2013-11-05 | Google Inc. | Calibration of an R2R ladder based current digital-to-analog converter (DAC) |
CN104181473A (zh) * | 2014-08-25 | 2014-12-03 | 长沙瑞达星微电子有限公司 | 一种电流源校准电路 |
US9859913B2 (en) * | 2015-09-30 | 2018-01-02 | Synaptics Incorporated | Calibration of ramp digital to analog converter |
EP4125219A1 (en) | 2021-07-27 | 2023-02-01 | Socionext Inc. | Current-mode circuits and calibration thereof |
TWI831158B (zh) * | 2022-03-22 | 2024-02-01 | 瑞昱半導體股份有限公司 | 以比較器為核心的切換電容式電路及其電流源 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2755806B1 (fr) * | 1996-11-14 | 1999-01-08 | Sgs Thomson Microelectronics | Convertisseur numerique-analogique a sources de courant a autocalibration |
US6166670A (en) * | 1998-11-09 | 2000-12-26 | O'shaughnessy; Timothy G. | Self calibrating current mirror and digital to analog converter |
US6295012B1 (en) * | 1999-08-25 | 2001-09-25 | Broadcom Corporation | CMOS DAC with high impedance differential current drivers |
US6304201B1 (en) * | 2000-01-24 | 2001-10-16 | Analog Devices, Inc. | Precision digital-to-analog converters and methods having programmable trim adjustments |
US6331830B1 (en) * | 2000-02-04 | 2001-12-18 | Rockwell Technologies Llc | Self-trimming current source and method for switched current source DAC |
SE518113C2 (sv) * | 2000-03-06 | 2002-08-27 | Ericsson Telefon Ab L M | Metod och anordning för att förbättra strömstyrande D/A- omvandling |
GB0111313D0 (en) * | 2001-05-09 | 2001-07-04 | Broadcom Corp | Digital-to-analogue converter using an array of current sources |
US6674377B1 (en) * | 2002-04-25 | 2004-01-06 | Rambus Inc. | Circuit, apparatus and method for improved current distribution of output drivers enabling improved calibration efficiency and accuracy |
US7030790B1 (en) * | 2004-10-22 | 2006-04-18 | Broadcom Corporation | Systems and methods for auto gain control in Bi-CMOS digital to analog converters |
-
2006
- 2006-03-08 TW TW095107715A patent/TWI287698B/zh not_active IP Right Cessation
- 2006-05-18 US US11/308,871 patent/US7292167B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI412910B (zh) * | 2009-11-02 | 2013-10-21 | Nanya Technology Corp | 可局部校正之電流源及其相關之微型晶片與方法 |
Also Published As
Publication number | Publication date |
---|---|
US20070210946A1 (en) | 2007-09-13 |
TWI287698B (en) | 2007-10-01 |
US7292167B2 (en) | 2007-11-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |