MF10-N Texas instruments

MF10-N

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MF10-N

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Описание

The MF10-N consists of 2 independent and extremely easy to use, general purpose CMOS active filter building blocks. Each block, together with an external clock and 3 to 4 resistors, can produce various 2nd order functions. Each building block has 3 output pins. One of the outputs can be configured to perform either an allpass, highpass or a notch function; the remaining 2 output pins perform lowpass and bandpass functions. The center frequency of the lowpass and bandpass 2nd order functions can be either directly dependent on the clock frequency, or they can depend on both clock frequency and external resistor ratios. The center frequency of the notch and allpass functions is directly dependent on the clock frequency, while the highpass center frequency depends on both resistor ratio and clock. Up to 4th order functions can be performed by cascading the two 2nd order building blocks of the MF10-N; higher than 4th order functions can be obtained by cascading MF10-N packages. Any of the classical filter configurations (such as Butterworth, Bessel, Cauer and Chebyshev) can be formed. For pin-compatible device with improved performance refer to LMF100 datasheet.

Easy to Use
Clock to Center Frequency Ratio Accuracy ±0.6%
Filter Cutoff Frequency Stability Directly Dependent on External Clock Quality
Low Sensitivity to External Component Variation
Separate Highpass (or Notch or Allpass), Bandpass, Lowpass Outputs
f_O × Q Range up to 200 kHz
Operation up to 30 kHz
20-pin 0.3″ Wide PDIP Package
20-pin Surface Mount (SOIC) Wide-Body Package

Operating temperature range (°C)	0 to 70
Rating	Catalog