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LTC1164-5 - Low Power 8th Order Pin Selectable Butterworth or Bessel Lowpass Filter

Features

  • clock-tunable cutoff frequency and low power consumption (4.5mA with ± 5V supplies and 2.5mA with single 5V supply). Low power operation is achieved without compromising noise or distortion performance. With ± 5V supplies and 10kHz cutoff frequency, the operating signal-to-noise ratio is 86dB and the THD throughout the passband is 0.015%. Under the same conditions, a 77dB signal-tonoise ratio and distortion is obtained with a single 5V supply while the clock feedthrough is kept below the noise l.

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Full PDF Text Transcription

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LTC1164-5 Low Power 8th Order Pin Selectable Butterworth or Bessel Lowpass Filter DESCRIPTIO The LTC®1164-5 is a monolithic 8th order filter; it approximates either a Butterworth or a Bessel lowpass response. The LTC1164-5 features clock-tunable cutoff frequency and low power consumption (4.5mA with ± 5V supplies and 2.5mA with single 5V supply). Low power operation is achieved without compromising noise or distortion performance. With ± 5V supplies and 10kHz cutoff frequency, the operating signal-to-noise ratio is 86dB and the THD throughout the passband is 0.015%. Under the same conditions, a 77dB signal-tonoise ratio and distortion is obtained with a single 5V supply while the clock feedthrough is kept below the noise level. The maximum signal-to-noise ratio is 92dB.
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