DESCRIPTION

· The MAX291/MAX292/MAX295/MAX296 are 8th-order, lowpass, switched-capacitor filters with corner frequencies ranging from 0.1Hz to 25kHz (MAX291/MAX292) or 0.1Hz to 50kHz (MAX295/MAX296).

· MAX291/MAX295 offer Butterworth filters for maximally flat passband response, while MAX292/MAX296 provide Bessel filters for low overshoot and fast settling.

· These filters require minimal external components and are available in 8-pin DIP/SO and 16-pin wide SO packages.

FEATURES

· 8th-Order Lowpass Filters: Butterworth (MAX291/MAX295) and Bessel (MAX292/MAX296).

· Clock-Tunable Corner-Frequency Range: 0.1Hz to 25kHz (MAX291/MAX292) or 0.1Hz to 50kHz (MAX295/MAX296).

· No external resistors or capacitors required; internal or external clock options.

· Low Noise: -70dB THD + Noise (Typical).

· Operates with a single +5V supply or dual ±5V supplies.

· Includes an uncommitted op amp for anti-aliasing or clock-noise filtering.

APPLICATIONS

· ADC Anti-Aliasing Filter.

· DAC Post-Filtering.

· 50Hz/60Hz Line-Noise Filtering.

· Noise Analysis.