MF10CCWM National Semiconductor, MF10CCWM Datasheet

MF10CCWM

Manufacturer Part Number

MF10CCWM

Description

IC,FILTER,AP/BP/HP/LP/NOTCH,CMOS,SOP,20PIN,PLASTIC

Manufacturer

National Semiconductor

Datasheets

1.MF10CCWM.pdf (28 pages)

2.MF10CCWM.pdf (20 pages)

Specifications of MF10CCWM

Rohs Compliant

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Download datasheet (398Kb)

C 1995 National Semiconductor Corporation

MF10

Universal Monolithic Dual

Switched Capacitor Filter

General Description

The MF10 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 resis-

tors can produce various 2nd order functions Each building

block has 3 output pins One of the outputs can be config-

ured to perform either an allpass highpass or a notch func-

tion the remaining 2 output pins perform lowpass and band-

pass functions The center frequency of the lowpass and

bandpass 2nd order functions can be either directly depen-

dent on the clock frequency or they can depend on both

clock frequency and external resistor ratios The center fre-

quency of the notch and allpass functions is directly depen-

dent on the clock frequency while the highpass center fre-

quency 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 higher than 4th order

functions can be obtained by cascading MF10 packages

System Block Diagram

TL H 10399

Any of the classical filter configurations (such as Butter-

worth Bessel Cauer and Chebyshev) can be formed

For pin-compatible device with improved performance refer

to LMF100 datasheet

Features

Easy to use

Clock to center frequency ratio accuracy

Filter cutoff frequency stability directly dependent on

external clock quality

Low sensitivity to external component variation

Separate highpass (or notch or allpass) bandpass low-

pass outputs

Operation up to 30 kHz

20-pin 0 3 wide Dual-In-Line package

20-pin Surface Mount (SO) wide-body package

O c

TL H 10399 – 1

Q range up to 200 kHz

Connection Diagram

Order Number MF10AJ or MF10CCJ

Surface Mount and Dual-In-Line

See NS Package Number M20B

See NS Package Number N20A

See NS Package Number J20A

Order Number MF10ACWM or

Order Number MF10ACN or

MF10CCWM

MF10CCN

Top View

Package

RRD-B30M115 Printed in U S A

December 1994

0 6%

TL H 10399 – 4

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