Datasheet Linear Technology LTC1564 — Даташит

Datasheets

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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

• Скачать
  LTC1564: A Digitally Tuned Antialiasing / Reconstruction Filter Simplifies High Performance DSP Design &mdash DN276
  PDF, 90 Кб, Файл опубликован: 2 янв 2002
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  LTC1564: A Digitally Tuned Antialiasing/Reconstruction Filter
  Simplifies High Performance DSP Design – Design Note 276
  Max W. Houser and Philip Karantzalis
  Introduction
  Typically an analog antialiasing п¬Ѓlter is used to band-limit
  wideband signals at the input of an analog-to-digital
  converter. In addition, as the converter’s sampling
  rate changes, an antialiasing filter’s passband should
  increase or decrease accordingly. A frequency-tunable
  analog п¬Ѓlter for a high resolution converter requires a
  large number of expensive precision components. With
  the LTCВ®1564, designers of data acquisition instruments
  and digital signal processing (DSP) systems have a low
  noise, continuous-time, “brick wall” lowpass filter with
  digital control of the corner frequency fC, (fC range 10kHz
  to 150kHz in 10kHz steps). The LTC1564 also includes
  a digitally programmable gain amplifier (PGA, 1V/V to
  16V/V in 1V/V steps). A simple, on-chip, latching digital
  interface controls corner frequency and gain settings.
  The LTC1564 is in a small 16-pin SSOP and operates
  from a supply voltage of 2.7V to 10.5V total (single or
  split supplies).
  Filtering Performance and Operation …

Статьи

• Скачать
  Digitally Programmable Low Noise Filter/Gain Block Requires No External Parts &mdash LT Journal
  PDF, 187 Кб, Файл опубликован: 1 май 2001
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  DESIGN FEATURES Digitally Programmable
  Low Noise Filter/Gain Block
  Requires No External Parts by Max W. Hauser Introduction
  Designers of instruments and DSPbased systems now have at their
  disposal a continuous-time, “brickwall” lowpass filter with digital control
  of the cutoff frequency (10kHz to
  150kHz in 10kHz steps). The LTC1564
  also offers digitally programmable
  gain of up to 24dB (implemented in a
  noise-efficient way) for dynamic range
  to 122dB (20 equivalent bits), and
  operates from a supply voltage of This single-chip product
  eliminates expensive,
  precision analog circuitry
  in applications demanding
  sharp roll-off, high dynamic
  range, amplification or
  programmability.
  2.7V to 10.5V total (single or split
  supplies). No additional analog components or calculations are needed. A
  simple, on-chip, latching digital
  interface can store frequency and gain
  settings or can be overridden to …

Модельный ряд

Классификация производителя

• Signal Conditioning > Amplifiers > Programmable Gain Amplifiers
• Signal Conditioning > Filters > Lowpass Filters