LMF60 - LMF60 High Performance 6th-Order Switched Capacitor Butterworth Lowpass Filter

National Semiconductor

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Datasheet Details

Part number	LMF60
Manufacturer	National Semiconductor
File Size	391.44 KB
Description	LMF60 High Performance 6th-Order Switched Capacitor Butterworth Lowpass Filter
Datasheet	LMF60_NationalSemiconductor.pdf

LMF60 Product details

Description

The LMF60 is a high performance precision 6th-order Butterworth lowpass active filter It is fabricated using National’s LMCMOS process an improved silicon-gate CMOS process specifically designed for analog products Switchedcapacitor techniques eliminate external component requirements and allow a clock-tunable cutoff frequency The ratio of the clock frequency to the low-pass cutoff frequency is internally set to 50 1 (LMF60-50) or 100 1 (LMF60-100) A Schmitt trigger clock input stage allows two

Features

Y Y Y Y Y Y Y Y Y Y Y Cutoff frequency range of 0 1 Hz to 30 kHz Cutoff frequency accuracy of g 1 0% maximum Low offset voltage g 100 mV maximum g 5V supply Low clock feedthrough of 10 mVp.
p typical Dynamic range of 88 dB typical Two uncommitted op amps available No external components required 14-pin DIP or 14-pin wide-body S O package Single Dual Supply Operation a 4V to a 14V ( g 2V to g 7V) Cutoff frequency set by external or internal clock Pin-compatible with the MF6.

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Published: Apr 25, 2005 |