Overview

Features and Benefits

  • 8th Order Pin Selectable Elliptic or Bessel Filter
  • 4mA Supply Current with ±5V Supplies
  • 64dB Attenuation at 1.44 fCUTOFF (Elliptic Response)
  • fCUTOFF Up to 30kHz (50:1 fCLK to fCUTOFF Ratio)
  • 110µVRMS Wideband Noise with ±5V Supplies
  • Operates at Single 5V Supply with 1VRMS Input Range
  • 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 LTC1164-6 is a monolithic 8th order elliptic lowpass filter featuring clock-tunable cutoff frequency and low power supply current. Low power operation is achieved without compromising noise or distortion performance. At ±5V supplies the LTC1164-6 uses only 4mA supply current while keeping wideband noise below 110µVRMS. With a single 5V supply, the LTC1164-6 can provide up to 10kHz cutoff frequency and 80dB signal-to-noise ratio while consuming only 2.5mA.

The LTC1164-6 provides an elliptic lowpass rolloff with stopband attenuation of 64dB at 1.44 fCUTOFF and an fCLK-to- fCUTOFF ratio of 100:1 (Pin10 to V ). For a ratio of 100:1, fCUTOFF can be clock-tuned up to 10kHz. For a fCLK-to-fCUTOFF ratio of 50:1 (Pin 10 to V+ ), the LTC1164-6 provides an elliptic lowpass filter with fCUTOFF frequencies up to 20kHz. When Pin 10 is connected to ground, the LTC1164-6 approximates an 8th order linear phase response with 65dB attenuation at 4.5 f–3dB and fCLK/f–3dB ratio of 160:1. The LTC1164-6 is pin compatible with the LTC1064-1.

Applications

  • Antialiasing Filters
  • Battery-Operated Instruments
  • Telecommunication 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

LTC1164-6 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.

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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