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LTC1064-1

Part Number	LTC1064-1
Manufacturer	Linear Technology
Description	Low Noise/8th Order Clock Sweepable Elliptic Lowpass Filter
Published	Mar 22, 2005
Detailed Description	U U LTC1064-1 Low Noise, 8th Order, Clock Sweepable Elliptic Lowpass Filter FEATURES ■ 8th Order Filter in a 14-Pin Pa...
Datasheet	LTC1064-1 PDF File

Overview

U U LTC1064-1 Low Noise, 8th Order, Clock Sweepable Elliptic Lowpass Filter FEATURES ■ 8th Order Filter in a 14-Pin Package ■ No External Components ■ 100:1 Clock to Center Ratio ■ 150µVRMS Total Wideband Noise ■ 0.
03% THD or Better ■ 50kHz Maximum Corner Frequency ■ Operates from ±2.
37V to ±8V Power Supplies ■ Passband Ripple Guaranteed Over Full Military Temperature Range U APPLICATIO S ■ Antialiasing Filters ■ Telecom PCM Filters DESCRIPTIO The LTC®1064-1 is an 8th order, clock sweepable elliptic (Cauer) lowpass switched capacitor filter.
The passband ripple is typically ±0.
15dB, and the stopband attenuation at 1.
5 times the cutoff frequency is 68dB or more.
An external TTL or CMOS clock programs the value of the filter’s cutoff frequency.
The clock to cutoff frequency ratio is 100:1.
No external components are needed for cutoff frequencies up to 20kHz.
For cutoff frequencies over 20kHz two low value capacitors are required to maintain passband flatness.
The LTC1064-1 features lo...

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