The MAX295ESA+ is an 8th order low-pass switched capacitor Butterworth filter in an 8-pin NSOIC package. It provides a maximally flat passband response with fixed characteristics, where the corner frequency is controlled by selecting an appropriate clock frequency. The device can use an internal oscillator or an external clock signal, with the clock frequency tunable from 0.1 Hz to 50 kHz. An external capacitor is used to generate the clock, and an uncommitted operational amplifier (with a grounded non-inverting input) is included for building additional filtering stages such as post-filtering or anti-aliasing. This compact, high-performance filter requires minimal external components and is suitable for applications including ADC anti-aliasing, noise analysis, DAC post-filtering, and line noise filtering at 50/60Hz. It supports a supply voltage range from 4.75V to 11V, including ±2.375V to ±5.5V dual supplies, and operates over temperatures from -40°C to 85°C. The clock frequency can be tuned for corner frequencies between 0.1Hz and 50kHz. It features low noise operation at -70dB (THD + noise), an internal oscillator frequency of 35kHz, and a typical insertion gain relative to DC gain of -76dB at 3 times the corner frequency.
Purchase the Maxim MAX295ESA online today and experience a high-performance 8th order low-pass Butterworth filter with a tunable corner frequency from 0.1Hz to 50kHz. Its minimal external components, compact 8-pin NSOIC package, and ability to operate on a single supply make it ideal for ADC anti-aliasing, noise analysis, and line noise filtering applications in industrial and electronics environments. With a low noise figure of -70dB and a typical oscillator frequency of 35kHz, this reliable filter ensures precise and stable filtering performance for your demanding applications.
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You can download the MAX295ESA datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.
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