WO1999021284A1 - Power saving flash a/d converter - Google Patents
Power saving flash a/d converter Download PDFInfo
- Publication number
- WO1999021284A1 WO1999021284A1 PCT/US1998/021830 US9821830W WO9921284A1 WO 1999021284 A1 WO1999021284 A1 WO 1999021284A1 US 9821830 W US9821830 W US 9821830W WO 9921284 A1 WO9921284 A1 WO 9921284A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- comparators
- converter
- analog input
- transition point
- sample
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/002—Provisions or arrangements for saving power, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains or by selectively turning on stages when needed
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52427199A JP2001506116A (en) | 1997-10-17 | 1998-10-15 | Power saving flash A / D converter |
EP98952327A EP0974198A1 (en) | 1997-10-17 | 1998-10-15 | Power saving flash a/d converter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/953,374 | 1997-10-17 | ||
US08/953,374 US6002356A (en) | 1997-10-17 | 1997-10-17 | Power saving flash A/D converter |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999021284A1 true WO1999021284A1 (en) | 1999-04-29 |
Family
ID=25493895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/021830 WO1999021284A1 (en) | 1997-10-17 | 1998-10-15 | Power saving flash a/d converter |
Country Status (6)
Country | Link |
---|---|
US (1) | US6002356A (en) |
EP (1) | EP0974198A1 (en) |
JP (1) | JP2001506116A (en) |
KR (1) | KR20000069519A (en) |
TW (1) | TW405302B (en) |
WO (1) | WO1999021284A1 (en) |
Cited By (2)
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---|---|---|---|---|
KR100789700B1 (en) | 2006-08-16 | 2008-01-02 | 주식회사 실리콘웍스 | Digital to analog converter including the pseudo segment resistor cell |
WO2009034350A1 (en) * | 2007-09-13 | 2009-03-19 | Iti Scotland Limited | Analog-to-digital converter |
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US6081219A (en) * | 1998-05-05 | 2000-06-27 | Lucent Technology, Inc. | Power saving arrangement for a flash A/D converter |
US6091353A (en) * | 1998-07-15 | 2000-07-18 | International Business Machines Corporation | Bias circuit for flash analog to digital converter circuits |
US6201929B1 (en) * | 1999-02-08 | 2001-03-13 | Delta Electronics, Inc. | Multistage rotating speed control circuit for DC motor |
JP2000341124A (en) * | 1999-05-27 | 2000-12-08 | Oki Electric Ind Co Ltd | Analog-to-digital converter |
KR20010080140A (en) * | 1999-08-13 | 2001-08-22 | 요트.게.아. 롤페즈 | An analog to digital converter |
US6512416B2 (en) * | 2000-07-03 | 2003-01-28 | Broadcom Corporation | Extended range variable gain amplifier |
US6683498B2 (en) * | 2000-07-03 | 2004-01-27 | Broadcom Corporation | Protection circuit for extending headroom with off-chip inductors |
US7003049B2 (en) * | 2001-06-12 | 2006-02-21 | Rf Micro Devices, Inc. | Fractional-N digital modulation with analog IQ interface |
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US20030214267A1 (en) * | 2002-05-20 | 2003-11-20 | Long Laurence P. | Ultracapacitor balancing circuit |
US6703960B2 (en) * | 2002-06-20 | 2004-03-09 | Agilent Technologies, Inc. | Analog-to-digital converter |
US7309998B2 (en) | 2002-12-02 | 2007-12-18 | Burns Lawrence M | Process monitor for monitoring an integrated circuit chip |
US6798286B2 (en) * | 2002-12-02 | 2004-09-28 | Broadcom Corporation | Gain control methods and systems in an amplifier assembly |
US7260377B2 (en) * | 2002-12-02 | 2007-08-21 | Broadcom Corporation | Variable-gain low noise amplifier for digital terrestrial applications |
US7471941B2 (en) * | 2002-12-02 | 2008-12-30 | Broadcom Corporation | Amplifier assembly including variable gain amplifier, parallel programmable amplifiers, and AGC |
US8437720B2 (en) * | 2002-12-02 | 2013-05-07 | Broadcom Corporation | Variable-gain low noise amplifier for digital terrestrial applications |
US7119529B2 (en) * | 2003-06-12 | 2006-10-10 | Koninklijke Philips Electronics N.V. | Circuit arrangement with a resistor voltage divider chain |
US7286072B2 (en) * | 2005-02-15 | 2007-10-23 | Sanyo Electric Co., Ltd. | Analog-to digital converter and analog-to digital conversion apparatus |
US7262724B2 (en) * | 2005-03-31 | 2007-08-28 | Freescale Semiconductor, Inc. | System and method for adjusting dynamic range of analog-to-digital converter |
US20060261794A1 (en) * | 2005-05-17 | 2006-11-23 | May Marcus W | Method & apparatus for DC-DC regulation with improved transient function |
US20090112635A1 (en) * | 2007-10-30 | 2009-04-30 | Kenneth Rubinstein | Foreign Non-Qualified Deferred Compensation Hybrid Trust Strategy |
US8106604B2 (en) * | 2008-03-12 | 2012-01-31 | Freescale Semiconductor, Inc. | LED driver with dynamic power management |
US8115414B2 (en) * | 2008-03-12 | 2012-02-14 | Freescale Semiconductor, Inc. | LED driver with segmented dynamic headroom control |
US7696915B2 (en) * | 2008-04-24 | 2010-04-13 | Agere Systems Inc. | Analog-to-digital converter having reduced number of activated comparators |
WO2009136480A1 (en) * | 2008-05-08 | 2009-11-12 | パナソニック株式会社 | Flash ad converter module, delta-sigma ad converter |
KR20110033101A (en) | 2008-06-06 | 2011-03-30 | 엘에스아이 코포레이션 | Systems and methods for synchronous, retimed analog to digital conversion |
WO2009148458A1 (en) | 2008-06-06 | 2009-12-10 | Lsi Corporation | Systems and methods for latch based analog to digital conversion |
US7656339B2 (en) * | 2008-06-06 | 2010-02-02 | Lsi Corporation | Systems and methods for analog to digital conversion |
US8121186B2 (en) * | 2008-06-06 | 2012-02-21 | Lsi Corporation | Systems and methods for speculative signal equalization |
US7656340B2 (en) * | 2008-06-06 | 2010-02-02 | Lsi Corporation | Systems and methods for pipelined analog to digital conversion |
US8035314B2 (en) * | 2008-06-23 | 2011-10-11 | Freescale Semiconductor, Inc. | Method and device for LED channel managment in LED driver |
US8279144B2 (en) * | 2008-07-31 | 2012-10-02 | Freescale Semiconductor, Inc. | LED driver with frame-based dynamic power management |
US8004207B2 (en) * | 2008-12-03 | 2011-08-23 | Freescale Semiconductor, Inc. | LED driver with precharge and track/hold |
US8035315B2 (en) * | 2008-12-22 | 2011-10-11 | Freescale Semiconductor, Inc. | LED driver with feedback calibration |
US8049439B2 (en) * | 2009-01-30 | 2011-11-01 | Freescale Semiconductor, Inc. | LED driver with dynamic headroom control |
US8179051B2 (en) * | 2009-02-09 | 2012-05-15 | Freescale Semiconductor, Inc. | Serial configuration for dynamic power control in LED displays |
US8493003B2 (en) * | 2009-02-09 | 2013-07-23 | Freescale Semiconductor, Inc. | Serial cascade of minimium tail voltages of subsets of LED strings for dynamic power control in LED displays |
US8040079B2 (en) * | 2009-04-15 | 2011-10-18 | Freescale Semiconductor, Inc. | Peak detection with digital conversion |
US8305007B2 (en) * | 2009-07-17 | 2012-11-06 | Freescale Semiconductor, Inc. | Analog-to-digital converter with non-uniform accuracy |
US8638886B2 (en) * | 2009-09-24 | 2014-01-28 | Credo Semiconductor (Hong Kong) Limited | Parallel viterbi decoder with end-state information passing |
US8574960B2 (en) | 2010-02-03 | 2013-11-05 | Stats Chippac, Ltd. | Semiconductor device and method of forming cavity adjacent to sensitive region of semiconductor die using wafer-level underfill material |
US8193961B2 (en) | 2010-09-23 | 2012-06-05 | Lsi Corporation | Systems and methods for enhancing analog to digital conversion resolution |
US8427353B2 (en) * | 2011-02-15 | 2013-04-23 | Credo Semiconductor (Hong Kong) Limited | High-speed flash analog to digital converter |
US8860598B2 (en) * | 2013-03-15 | 2014-10-14 | Analog Devices Technology | Bit error rate timer for a dynamic latch |
US9935800B1 (en) | 2016-10-04 | 2018-04-03 | Credo Technology Group Limited | Reduced complexity precomputation for decision feedback equalizer |
US10728059B1 (en) | 2019-07-01 | 2020-07-28 | Credo Technology Group Limited | Parallel mixed-signal equalization for high-speed serial link |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2082410A (en) * | 1980-08-23 | 1982-03-03 | Plessey Co Ltd | Analogue-to-digital converter |
JPH03186018A (en) * | 1989-12-15 | 1991-08-14 | Matsushita Electric Ind Co Ltd | Analog/digital converter |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4417233A (en) * | 1979-02-28 | 1983-11-22 | Matsushita Electric Industrial Co., Ltd. | Fully parallel threshold type analog-to-digital converter |
US4602241A (en) * | 1985-06-28 | 1986-07-22 | Rca Corporation | Input current saving apparatus for flash A/D converter |
KR0138029B1 (en) * | 1993-06-07 | 1998-05-15 | 가나이 쯔또무 | Ad converter and magnetic recording/regenerating apparatus using thereor |
-
1997
- 1997-10-17 US US08/953,374 patent/US6002356A/en not_active Expired - Lifetime
-
1998
- 1998-10-15 JP JP52427199A patent/JP2001506116A/en active Pending
- 1998-10-15 KR KR1019997005415A patent/KR20000069519A/en not_active Application Discontinuation
- 1998-10-15 WO PCT/US1998/021830 patent/WO1999021284A1/en not_active Application Discontinuation
- 1998-10-15 EP EP98952327A patent/EP0974198A1/en not_active Withdrawn
- 1998-10-17 TW TW087117210A patent/TW405302B/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2082410A (en) * | 1980-08-23 | 1982-03-03 | Plessey Co Ltd | Analogue-to-digital converter |
JPH03186018A (en) * | 1989-12-15 | 1991-08-14 | Matsushita Electric Ind Co Ltd | Analog/digital converter |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 015, no. 442 (E - 1131) 11 November 1991 (1991-11-11) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100789700B1 (en) | 2006-08-16 | 2008-01-02 | 주식회사 실리콘웍스 | Digital to analog converter including the pseudo segment resistor cell |
WO2009034350A1 (en) * | 2007-09-13 | 2009-03-19 | Iti Scotland Limited | Analog-to-digital converter |
Also Published As
Publication number | Publication date |
---|---|
JP2001506116A (en) | 2001-05-08 |
EP0974198A1 (en) | 2000-01-26 |
US6002356A (en) | 1999-12-14 |
TW405302B (en) | 2000-09-11 |
KR20000069519A (en) | 2000-11-25 |
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