LTC1064-3

PRODUCTION

Low Noise, High Frequency, 8th Order Linear Phase Lowpass Filter

Data Sheet Product Selection Table
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Overview

  • 8th Order Filter in a 14-Pin Package
  • 95kHz Maximum Corner Frequency
  • No External Components
  • 75:1, 150:1, and 120:1 Clock to Cutoff Frequency Ratio
  • 60µVRMS Total Wideband Noise
  • 0.03% THD or Better
  • Operates from ±2.37V to ±8V Power Supplies
  • Low Total Output DC Offset

The LTC1064-3 is a monolithic 8th order lowpass Bessel filter, which provides a linear phase response over its entire passband. An external TTL or CMOS clock programs the filter's cutoff frequency. The clock to cutoff frequency ratio is 75:1 (Pin 10 at V+) or 150:1 (Pin 10 at V-) or 120:1 (Pin 10 at GND). The maximum cutoff frequency is 95kHz. No external components are needed.

The LTC1064-3 features low wideband noise and low harmonic distortion even for input voltages up to 3VRMS. In fact the LTC1064-3 overall performance competes with equivalent multiple op amp RC active realizations. The LTC1064-3 is available in a 14-pin DIP or 16-pin surface mounted SOL package. The LTC1064-3 is fabricated using LTC's enhanced analog CMOS Si-gate process.

The LTC1064-3 is pin compatible with the LTC1064-1, LTC1064-2 and LTC1064-4.

Applications

  • Antialiasing Filters
  • Smoothing Filters
  • Tracking High Frequency Lowpass Filters
LTC1064-3
Low Noise, High Frequency, 8th Order Linear Phase Lowpass Filter
8th Order Clock Sweepable Lowpass Bessel Filter Measured Frequency Response Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 2

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Oscillators 2
LTC6900
PRODUCTION Low Power, 1kHz to 20MHz Resistor Set SOT-23 Oscillator
LTC6930-X.XX
32.768kHz to 8.192MHz Precision µPower Oscillators
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