KR920003452B1 - 디지탈·아날로그 변환회로 - Google Patents
디지탈·아날로그 변환회로 Download PDFInfo
- Publication number
- KR920003452B1 KR920003452B1 KR1019890005654A KR890005654A KR920003452B1 KR 920003452 B1 KR920003452 B1 KR 920003452B1 KR 1019890005654 A KR1019890005654 A KR 1019890005654A KR 890005654 A KR890005654 A KR 890005654A KR 920003452 B1 KR920003452 B1 KR 920003452B1
- Authority
- KR
- South Korea
- Prior art keywords
- conversion circuit
- circuit
- current
- reference voltage
- transistor
- 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
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
-
- 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
- H03M1/662—Multiplexed conversion systems
-
- 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
- H03M1/745—Simultaneous conversion using current sources as quantisation value generators with weighted currents
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Description
Claims (2)
- 기준전류를 흘려주기 위한 기준전압 발생수단(C2,RC)과, 이 기준전압 발생수단(C2,RC)의 출력에 따른 기준전류가 흐르도록 된 입력소자(C1)와 복수의 다른 전류원으로서 기능하는 출력소자(B1)로 이루어진 전류미러회로 및 입력데이터(DATA)에 따라서 상기 출력소자(B1)와 출력단자(OUT)간의 접속을 온·오프시키는 스위치수단(B2)을 구비한 전류방식 디지탈·아날로그 변환회로에 있어서, 상기 출력소자(B1)가 설치되어 있는 DA변환회로 블록(DAC1,DAC2,…) 내에 상기 기준전류가 흐르는 입력소자(C1)가 설치된 것을 특징으로 하는 디지탈·아날로그 변환회로.
- 제1항에 있어서, 상기 기준전압 발생수단(C2,RC)에 대해 상기 DA변환회로 블록(DAC1,DAC2,…)이 병렬로 복수개 배치된 것을 특징으로 하는 디지탈·아날로그 변환회로.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63106534A JPH01277027A (ja) | 1988-04-28 | 1988-04-28 | デジタル・アナログ変換回路 |
JP63-106534 | 1988-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890016779A KR890016779A (ko) | 1989-11-30 |
KR920003452B1 true KR920003452B1 (ko) | 1992-05-01 |
Family
ID=14436058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890005654A Expired KR920003452B1 (ko) | 1988-04-28 | 1989-04-28 | 디지탈·아날로그 변환회로 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5055844A (ko) |
JP (1) | JPH01277027A (ko) |
KR (1) | KR920003452B1 (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0775322B2 (ja) * | 1990-02-22 | 1995-08-09 | 富士通株式会社 | 半導体集積回路装置 |
JPH0470215A (ja) * | 1990-07-11 | 1992-03-05 | Sony Corp | D/a変換器 |
JP3073538B2 (ja) * | 1991-02-22 | 2000-08-07 | 株式会社リコー | ディジタル・アナログ変換器 |
US5452014A (en) * | 1994-03-21 | 1995-09-19 | Hewlett-Packard Company | Video dac rise time control and supply noise suppression |
US5745064A (en) * | 1994-10-25 | 1998-04-28 | Matsushita Electric Industrial Co., Ltd. | D/A conversion device having multiple D/A converters with substantially equal voltages supplied thereto |
US5913075A (en) * | 1997-03-25 | 1999-06-15 | International Business Machines Corporation | High speed communication between high cycle rate electronic devices using a low cycle rate bus |
JP4742401B2 (ja) * | 2000-03-31 | 2011-08-10 | ソニー株式会社 | デジタルアナログ変換回路およびこれを搭載した表示装置 |
JP4500439B2 (ja) * | 2000-12-22 | 2010-07-14 | 川崎マイクロエレクトロニクス株式会社 | 半導体装置 |
US6717539B2 (en) * | 2001-11-28 | 2004-04-06 | Agere Systems, Inc. | 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 |
TWI283517B (en) * | 2003-09-30 | 2007-07-01 | Rohm Co Ltd | D/A converter circuit, organic EL drive circuit and organic EL display device |
JP4684616B2 (ja) * | 2004-10-20 | 2011-05-18 | ルネサスエレクトロニクス株式会社 | 発振回路 |
CN101501996B (zh) * | 2006-08-07 | 2011-09-07 | 松下电器产业株式会社 | 多通道电流相加型dac |
KR100910460B1 (ko) * | 2007-07-03 | 2009-08-04 | 삼성전기주식회사 | 주파수 가변 오실레이터 |
FR2927468B1 (fr) * | 2008-02-08 | 2010-04-23 | E2V Semiconductors | Circuit integre a grand nombre de circuits elementaires identiques alimentes en parallele. |
JP6349759B2 (ja) * | 2014-02-10 | 2018-07-04 | 株式会社ソシオネクスト | デジタルアナログ変換回路、デジタルアナログ変換回路の補正方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2914108C2 (de) * | 1979-04-07 | 1984-03-08 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Monolithisch integrierte Schaltungsanordnung für einen Digital-Analog-Wandler |
JPS58202621A (ja) * | 1982-05-21 | 1983-11-25 | Hitachi Ltd | D/a変換回路 |
JPS6195623A (ja) * | 1984-10-16 | 1986-05-14 | Sanyo Electric Co Ltd | Da変換回路 |
JPH0810832B2 (ja) * | 1987-03-04 | 1996-01-31 | 株式会社東芝 | デイジタル―アナログ変換器 |
-
1988
- 1988-04-28 JP JP63106534A patent/JPH01277027A/ja active Pending
-
1989
- 1989-04-27 US US07/343,639 patent/US5055844A/en not_active Expired - Lifetime
- 1989-04-28 KR KR1019890005654A patent/KR920003452B1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US5055844A (en) | 1991-10-08 |
KR890016779A (ko) | 1989-11-30 |
JPH01277027A (ja) | 1989-11-07 |
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