LMF60 - National Semiconductor

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

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 frequenc.

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 Applications Y Y Y Y Y Y Communication systems Audio filtering Anti-alias filtering Data acquisition noise filtering I.