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LMF100 - High Performance Dual Switched Capacitor Filter

Description

The LMF100 consists of two independent general purpose high performance switched capacitor filters.

With an external clock and 2 to 4 resistors, various second-order and first-order filtering functions can be realized by each filter block.

Each block has 3 outputs.

Features

  • n Wide 4V to 15V power supply range n Operation up to 100 kHz n Low offset voltage: typically (50:1 or 100:1 mode): Vos1 = ± 5 mV Vos2 = ± 15 mV Vos3 = ± 15 mV n Low crosstalk.
  • 60 dB n Clock to center frequency ratio accuracy ± 0.2% typical n f0 x Q range up to 1.8 MHz n Pin-compatible with MF10 4th Order 100 kHz Butterworth Lowpass Filter DS005645-3 DS005645-2 Connection Diagram Surface Mount and Dual-In-Line Package DS005645-18 Top View Order Number LMF100CCN or LMF100CIWM See NS.

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LMF100 High Performance Dual Switched Capacitor Filter July 1999 LMF100 High Performance Dual Switched Capacitor Filter General Description The LMF100 consists of two independent general purpose high performance switched capacitor filters. With an external clock and 2 to 4 resistors, various second-order and first-order filtering functions can be realized by each filter block. Each block has 3 outputs. One output can be configured to perform either an allpass, highpass, or notch function. The other two outputs perform bandpass and lowpass functions. The center frequency of each filter stage is tuned by using an external clock or a combination of a clock and resistor ratio. Up to a 4th-order biquadratic function can be realized with a single LMF100.
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