DE69621615D1 - Schneller geschalteter Operationsverstärker für Anwendungen bei niedriger Versorgungsspannung - Google Patents

Schneller geschalteter Operationsverstärker für Anwendungen bei niedriger Versorgungsspannung

Info

Publication number
DE69621615D1
DE69621615D1 DE69621615T DE69621615T DE69621615D1 DE 69621615 D1 DE69621615 D1 DE 69621615D1 DE 69621615 T DE69621615 T DE 69621615T DE 69621615 T DE69621615 T DE 69621615T DE 69621615 D1 DE69621615 D1 DE 69621615D1
Authority
DE
Germany
Prior art keywords
applications
supply voltage
operational amplifier
low supply
switched operational
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 - Lifetime
Application number
DE69621615T
Other languages
English (en)
Inventor
Andrea Baschirotto
Angelo Nagari
Rinaldo Castello
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics SRL
Original Assignee
STMicroelectronics SRL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by STMicroelectronics SRL filed Critical STMicroelectronics SRL
Application granted granted Critical
Publication of DE69621615D1 publication Critical patent/DE69621615D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/083Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers
    • H03F1/086Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers with FET's
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/513Indexing scheme relating to amplifiers the amplifier being made for low supply voltages

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69621615T 1996-10-11 1996-10-11 Schneller geschalteter Operationsverstärker für Anwendungen bei niedriger Versorgungsspannung Expired - Lifetime DE69621615D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96830524A EP0836275B1 (de) 1996-10-11 1996-10-11 Schneller geschalteter Operationsverstärker für Anwendungen bei niedriger Versorgungsspannung

Publications (1)

Publication Number Publication Date
DE69621615D1 true DE69621615D1 (de) 2002-07-11

Family

ID=8226032

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69621615T Expired - Lifetime DE69621615D1 (de) 1996-10-11 1996-10-11 Schneller geschalteter Operationsverstärker für Anwendungen bei niedriger Versorgungsspannung

Country Status (3)

Country Link
US (1) US5994960A (de)
EP (1) EP0836275B1 (de)
DE (1) DE69621615D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2763183A1 (fr) * 1997-05-07 1998-11-13 Philips Electronics Nv Dispositif incluant un circuit amplificateur large-bande
US6344767B1 (en) * 2000-01-28 2002-02-05 The Hong Kong University Of Science And Technology Switched-opamp technique for low-voltage switched capacitor circuits
DE10040422C2 (de) * 2000-08-18 2002-09-19 Infineon Technologies Ag Schaltungsanordnung und Verfahren in switched operational amplifier Technik
DE10040399A1 (de) * 2000-08-18 2002-03-07 Infineon Technologies Ag Schaltbarer Operationsverstärker für Switched-Opamp-Anwendungen
US6538511B2 (en) * 2001-03-06 2003-03-25 Intersil Americas Inc. Operational amplifier including a right-half plane zero reduction circuit and related method
DE10160626A1 (de) * 2001-12-11 2003-06-18 Sick Ag Auswerteschaltung und Signalverarbeitungsverfahren
GB2457683A (en) * 2008-02-21 2009-08-26 Toumaz Technology Ltd A CMOS operational amplifier with chopper stabilization and a switched output
JP2010147992A (ja) * 2008-12-22 2010-07-01 Toshiba Corp 増幅回路及びa/d変換器
US10886881B2 (en) * 2019-03-21 2021-01-05 Texas Instruments Incorporated Multilevel class-D power stage including a capacitive charge pump
US11356082B2 (en) 2019-12-12 2022-06-07 Texas Instruments Incorporated Folded ramp generator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119516A1 (de) * 1981-05-15 1982-12-02 Siemens AG, 1000 Berlin und 8000 München Auf einem halbleitertraeger gemeinsam mit einem operationsverstaerker angebrachte regeleinheit
US4500846A (en) * 1983-04-20 1985-02-19 Hughes Aircraft Company Circuit for effecting improved slew rate of operational amplifiers
IT1201839B (it) * 1986-08-08 1989-02-02 Sgs Microelettronica Spa Amplificatore operazionale di potenza cmos ad uscita interamente differenziale
US5412344A (en) * 1993-11-19 1995-05-02 Gec Plessey Semiconductor, Inc. Class AB amplifier with improved phase margin
DE69431796D1 (de) * 1994-07-29 2003-01-09 St Microelectronics Srl Schaltung und Verfahren für wahlweises Steuern von elektrischer Lasten mit niedriger Impedanz
US5477190A (en) * 1994-12-16 1995-12-19 Advanced Micro Devices, Inc. Low voltage linear output buffer operational amplifier
US5805021A (en) * 1996-02-13 1998-09-08 Advanced Micro Devices High swing low power general purpose operational amplifier

Also Published As

Publication number Publication date
US5994960A (en) 1999-11-30
EP0836275B1 (de) 2002-06-05
EP0836275A1 (de) 1998-04-15

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Legal Events

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