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MF5CWM

National
Part Number MF5CWM
Manufacturer National
Description MF5 Universal Monolithic Switched Capacitor Filter
Published Apr 29, 2005
Detailed Description MF5 Universal Monolithic Switched Capacitor Filter February 1995 MF5 Universal Monolithic Switched Capacitor Filter Ge...
Datasheet PDF File MF5CWM PDF File

MF5CWM
MF5CWM

Overview
MF5 Universal Monolithic Switched Capacitor Filter February 1995 MF5 Universal Monolithic Switched Capacitor Filter General Description The MF5 consists of an extremely easy to use general purpose CMOS active filter building block and an uncommitted op amp The filter building block together with an external clock and a few resistors can produce various second order functions The filter building block has 3 output pins One of the output pins can be configured to perform highpass allpass or notch functions and the remaining 2 output pins perform bandpass and lowpass functions The center frequency of the filter can be directly dependent on the clock frequency or it can depend on both clock frequency and external resistor ratios The uncommitted op amp can be used for cascading purposes for obtaining additional allpass and notch functions or for various other applications Higher order filter functions can be obtained by cascading several MF5s or by using the MF5 in conjuction with the MF10 (dual switched capacitor filter building block) The MF5 is functionally compatible with the MF10 Any of the classical filter configurations (such as Butterworth Bessel Cauer and Chebyshev) can be formed Features Y Y Y Y Y Y Y Y Y Y Low cost 14-pin DIP or 14-pin Surface Mount (SO) wide-body package Easy to use Clock to center frequency ratio accuracy g 0 6% Filter cutoff frequency stability directly dependent on external clock quality Low sensitivity to external component variations Separate highpass (or notch or allpass) bandpass lowpass outputs fo c Q range up to 200 kHz Operation up to 30 kHz (typical) Additional uncommitted op-amp Block and Connection Diagrams TL H 5066 – 1 All Packages Order Number MF5CN See NS Package Number N14A Order Number MF5CWM See NS Package Number M14B Top View TL H 5066 – 2 C1995 National Semiconductor Corporation TL H 5066 RRD-B30M115 Printed in U S A Absolute Maximum Ratings If Military Aerospace specified devices are required please con...


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