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Otras opciones

LTC6258 LTC6258 LTC6259 LTC6259

Notas de Diseño

• Descargar
  Lower Power Op Amp: Low Noise Reference, Utility Sine Wave &mdash DN1042
  PDF, 375 Kb, Archivo publicado: mayo 22, 2017
  Extracto del documento

  Lower Power Op Amp: Low Noise Reference,
  Utility Sine Wave
  Design Note 1042
  Catherine Chang, Philip Karantzalis and Aaron Schultz
  Introduction
  Our op amp family has expanded with industryleading speed versus supply current. The LTC В®6258/
  LTC6259/LTC6260 family (single, dual, quad) provides 1.3MHz at a super low 20ВµA supply current,
  with 400ВµV maximum offset voltage and rail-to-rail
  input and output. In combination with a 1.8V to 5.25V
  supply, this op amp enables countless applications
  requiring uncompromised performance with low
  power and low voltage at reasonable cost. FigureВ 1 shows such a configuration. First, a very low
  cutoff frequency follows the LT6656 output (RIN1 and
  CIN1, lower than 5Hz cutoff). Large values of RIN1 can
  develop significant offset voltage due to the LTC6258’s
  input bias current. Setting RIN1 to 2.7kО© produces
  an offset that is lower than the nominal input offset
  voltage of the op amp. CIN1 can be larger or smaller,
  with more or less filtering accordingly. The voltage
  withstanding requirement of CIN1 is low, resulting in
  relatively large capacitance in a small volume. Low Noise Reference
  The LT6656 is a precision series voltage reference
  with a low 1ВµA supply current. In combination with …

• Descargar
  Lower Power Op Amp: Utility Sine Wave &mdash DN564
  PDF, 144 Kb, Archivo publicado: mayo 22, 2017
  Extracto del documento

  Lower Power Op Amp: Utility Sine Wave
  Design Note 564
  Catherine Chang, Philip Karantzalis and Aaron Schultz
  Introduction
  Our op amp family has expanded with industryleading speed versus supply current. The LTC В®6258/
  LTC6259/LTC6260 family (single, dual, quad) provides 1.3MHz at a super low 20ВµA supply current,
  with 400ВµV maximum offset voltage and rail-to-rail
  input and output. In combination with a 1.8V to 5.25V
  supply, this op amp enables applications requiring
  uncompromised performance with low power and
  low voltage at reasonable cost.
  Utility Sine Wave
  One does not expect to generate a sine wave with
  –100dBc distortion using a 5V low power op amp. All
  the same, a bandpass filter using the LTC6258 can
  combine with an easy-to-use low power oscillator
  to create a sine wave at low cost, low voltage and
  extremely low dissipation.
  Active Filter
  The bandpass filter of FigureВ 1 is AC coupled to an
  input. As a result, the LTC6258 input does not place a
  burden on the previous stage to develop a particular
  absolute common mode voltage. A simple resistor divider with RA1 and RA2 provides biasing for the …

Artículos

• Descargar
  Low Power Op Amps: Only 20µA for 1.3MHz, 240µA for 30MHz &mdash LT Journal
  PDF, 618 Kb, Archivo publicado: jul 7, 2017
  Extracto del documento

  Low Power Op Amps: Only 20ВµA for 1.3MHz,
  240ВµA for 30MHz
  Aaron Schultz, Catherine Chang and Philip Karantzalis Our op amp family has expanded with industry-leading speed versus supply current.
  For super low 20ВµA supply current, the LTC6258/LTC6259/LTC6260 (single, dual,
  quad) provide 1.3MHz at a with 400ВµV maximum offset voltage and rail-to-rail
  input and output. The still-low 240ВµA of the LTC6261/LTC6262/ LTC6263 (single,
  dual, quad) provide 30MHz with 400ВµV maximum offset voltage and rail-to-rail
  input and output. In combination with 1.8V to 5.25V supply, these op amps enable
  applications requiring good performance with low power and low voltage.
  LOW NOISE REFERENCE This circuit takes advantage of the ability
  of the LTC6258 to drive large capacitive
  loads. Use of a large output capacitor
  bank attached to the LTC6258 enables
  significant bypassing of follow-on circuits
  that use the reference voltage. In total, 12 | July 2017 : LT Journal of Analog Innovation LT6656
  IN OUT
  GND OUT
  LTC6258 CIN1
  22ВµF 22ВµF 22ВµF FigureВ 1. Low noise reference the combination of LT6656 and LTC6258,
  in this configuration, develops a reference
  voltage with low noise, at low power, and
  with appreciably large bypass capacitance.
  Voltage spectral noise densities are shown …

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Clasificación del fabricante

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

Otros nombres:

LTC6260IMSPBF, LTC6260IMS PBF