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  2. Analog Functions
  3. Filters
  4. Low-Pass Filters
  5. LTC1164-5


Features and Benefits

  • Pin Selectable Butterworth or Bessel Response
  • 4mA Supply Current with ±5V Supplies
  • fCUTOFF up to 20kHz
  • 100µVRMS Wideband Noise
  • THD < 0.02% (50:1, VS = ±7.5V, VIN = 2VRMS)
  • Operates with a Single 5V Supply (1VRMS Input Range)
  • 60µVRMS Clock Feedthrough (Single 5V Supply)
  • Operates up to ±8V Supplies
  • TTL/CMOS-Compatible Clock Input
  • No External Components
  • Available in 14-Pin DIP and 16-Pin SO Wide Packages

Product Details

The LTC1164-5 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-to-noise ratio and distortion is obtained with a single 5V supply while the clock feed through is kept below the noise level. The maximum signal-to-noise ratio is 92dB.

The LTC1164-5 approximates an 8th order Butterworth response with a clock-to-cutoff frequency ratio of 100:1 (Pin 10 to V) or 50:1 double-sampled (Pin 10 to V+ and Pin 1 shorted to Pin 13). Double-sampling allows the input signal frequency to reach the clock frequency before any aliasing occurrence. An 8th order Bessel response can also be approximated with a clock-to-cutoff frequency ratio of 140:1 (Pin 10 to ground). With ±7.5V supply, ±5V supply and single 5V supply, the maximum clock frequency of the LTC1164-5 is 1.5MHz, 1MHz and 1MHz respectively. The LTC1164-5 is pin-compatible with the LTC1064-2 and LTC-1064-3.


  • Anti-Aliasing Filters
  • Battery-Operated Instruments
  • Telecommunications Filters
  • Smoothing Filters

Product Categories

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Product Recommendations

LTC1164-5 Companion Parts

Recommended Suggested Oscillator

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
LTC1164-5CN#PBF Material Declaration Reliability Data 14-Lead PDIP (Narrow 0.3 Inch)
LTC1164-5CSW#PBF Material Declaration Reliability Data 16-Lead SOIC (Wide 0.3 Inch)
LTC1164-5CSW#TRPBF Material Declaration Reliability Data 16-Lead SOIC (Wide 0.3 Inch)
Wafer Fabrication Data R042 Reliability Data

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