JP7353512B2 - デジタルアナログ変換器 - Google Patents
デジタルアナログ変換器 Download PDFInfo
- Publication number
- JP7353512B2 JP7353512B2 JP2022554981A JP2022554981A JP7353512B2 JP 7353512 B2 JP7353512 B2 JP 7353512B2 JP 2022554981 A JP2022554981 A JP 2022554981A JP 2022554981 A JP2022554981 A JP 2022554981A JP 7353512 B2 JP7353512 B2 JP 7353512B2
- Authority
- JP
- Japan
- Prior art keywords
- current source
- current
- transistor
- transistors
- variable
- 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
Images
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
-
- 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
-
- 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
- H03M1/78—Simultaneous conversion using ladder network
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/037699 WO2022074706A1 (ja) | 2020-10-05 | 2020-10-05 | デジタルアナログ変換器 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2022074706A1 JPWO2022074706A1 (https=) | 2022-04-14 |
| JPWO2022074706A5 JPWO2022074706A5 (https=) | 2022-11-16 |
| JP7353512B2 true JP7353512B2 (ja) | 2023-09-29 |
Family
ID=81126760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022554981A Active JP7353512B2 (ja) | 2020-10-05 | 2020-10-05 | デジタルアナログ変換器 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7353512B2 (https=) |
| WO (1) | WO2022074706A1 (https=) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001237705A (ja) | 2000-02-22 | 2001-08-31 | Canon Inc | 重みづけ定電流源およびd−a変換器 |
| JP2002009623A (ja) | 2000-06-27 | 2002-01-11 | Nec Corp | ディジタルアナログ変換回路 |
| JP2002076897A (ja) | 2000-08-29 | 2002-03-15 | Toshiba Corp | Daコンバータ |
| US20190140656A1 (en) | 2017-11-07 | 2019-05-09 | Analog Devices Global Unlimited Company | Current steering digital to analog converter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827693B2 (ja) * | 1978-11-11 | 1983-06-10 | 日本電信電話株式会社 | マルチラダ−形da変換器 |
| JPS61197732U (https=) * | 1985-05-29 | 1986-12-10 | ||
| JP3222783B2 (ja) * | 1996-09-30 | 2001-10-29 | 株式会社東芝 | D/aコンバ−タ |
| JP3277319B2 (ja) * | 1997-09-09 | 2002-04-22 | 松下電器産業株式会社 | 乗算器回路 |
| JP2012151728A (ja) * | 2011-01-20 | 2012-08-09 | Nippon Telegr & Teleph Corp <Ntt> | ディジタル/アナログ変換器 |
-
2020
- 2020-10-05 WO PCT/JP2020/037699 patent/WO2022074706A1/ja not_active Ceased
- 2020-10-05 JP JP2022554981A patent/JP7353512B2/ja active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001237705A (ja) | 2000-02-22 | 2001-08-31 | Canon Inc | 重みづけ定電流源およびd−a変換器 |
| JP2002009623A (ja) | 2000-06-27 | 2002-01-11 | Nec Corp | ディジタルアナログ変換回路 |
| JP2002076897A (ja) | 2000-08-29 | 2002-03-15 | Toshiba Corp | Daコンバータ |
| US20190140656A1 (en) | 2017-11-07 | 2019-05-09 | Analog Devices Global Unlimited Company | Current steering digital to analog converter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2022074706A1 (https=) | 2022-04-14 |
| WO2022074706A1 (ja) | 2022-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3967774B2 (ja) | R/2rディジタル―アナログ変換器のための改良されたスイッチ・アーキテクチャ | |
| US7978110B2 (en) | Digital-to-analog converter | |
| CN106209108B (zh) | 分段dac | |
| KR0137475B1 (ko) | 전류-소스 장치 | |
| JP2004506372A (ja) | 切換型電流源dacのための自己トリミング電流源及び方法 | |
| CN104272596B (zh) | 具有加权电流源的分段数字‑模拟转换器 | |
| KR20010060281A (ko) | 전류 스위칭 회로 | |
| WO2013154830A1 (en) | Digital-to-analog converter with controlled gate voltages | |
| CN110874113B (zh) | 电流生成电路 | |
| US7129865B2 (en) | High speed, low power comparator | |
| CN111328440A (zh) | 电流舵数模转换器 | |
| US7348912B2 (en) | High resolution and low consumption digital-to-analog converter | |
| JP4299419B2 (ja) | デジタルアナログ変換回路 | |
| US10128865B1 (en) | Two stage digital-to-analog converter | |
| US8912939B2 (en) | String DAC leakage current cancellation | |
| JP7353512B2 (ja) | デジタルアナログ変換器 | |
| US7145493B2 (en) | Digital-to-analog converter (DAC) circuits using different currents for calibration biasing and methods of operating same | |
| US20090128120A1 (en) | Reference voltage generation circuit, ad converter, da converter, and image processor | |
| CN106664095B (zh) | 数字模拟转换器 | |
| US7639168B1 (en) | Systems and methods for switch resistance control in digital to analog converters (DACs) | |
| US10931216B1 (en) | Motor stepper driver having a sine digital-to-analog converter | |
| JP4500439B2 (ja) | 半導体装置 | |
| JP2004080238A (ja) | D/aコンバータ及び自動補正方法 | |
| KR20170115702A (ko) | 선형 전류 드라이버 | |
| WO2020172173A1 (en) | Compensation for binary weighted divider |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220826 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220826 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230822 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230919 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 7353512 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |