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LTC6081 LTC6081

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• Download
  CMOS Op Amp Outperforms Bipolar Amps in Precision Applications &mdash LT Journal
  PDF, 192 Kb, File published: Mar 19, 2008
  Extract from the document

  DESIGN IDEAS L CMOS Op Amp Outperforms Bipolar
  Amps in Precision Applications
  by Hengsheng Liu Introduction Superior Precision
  CMOS Op Amp Bipolar amplifiers can have low offset
  and low offset drift, but their nA level
  input bias current make them inappropriate for high input impedance
  applications such as photodiode
  amplifiers. CMOS amplifiers usually
  offer inferior offset drift, CMRR, and
  PSRR specifications and therefore
  are not suitable for precision applications. Chopper stabilized amplifiers,
  also known as zero drift amplifiers,
  can achieve superior offset and offset
  drift by means of offset cancellation,
  but have clock noise and fold-back
  noise due to sampling. LTC6081 and
  LTC6082, however, are continuous
  time CMOS operational amplifiers,
  which use a patented methodology
  to improve their offset voltage, offset
  voltage drift and CMRR. They combine
  the features of low input bias current,
  low offset drift and low noise. 30 …

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Manufacturer's Classification

• Signal Conditioning > Amplifiers > Operational Amplifiers (Op Amps) > Precision Amplifiers (Vos | Low Power Amplifiers (Is < 1mA/amp) | Low Bias Current Amplifiers (Ib < 100pA) | Rail-to-Rail Amplifiers
• Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Amplifiers

Other Names:

LTC6082IGNPBF, LTC6082IGN PBF