Features

 Dual 2nd-Order Filter in a 16-Pin QSOP Package

 High Accuracy

Q Accuracy: ±0.2%

Clock-to-Center Frequency Error: ±0.2%

 Rail-to-Rail Input and Output Operation

 Single-Supply Operation: +5V (MAX7490)

or +3V (MAX7491)

 Internal or External Clock

 Highpass, Lowpass, Bandpass, and Notch Filters

 Clock-to-Center Frequency Ratio of 100:1

 Internal Sampling-to-Center Frequency Ratio

of 200:1

 Center Frequency up to 40kHz

 Easily Cascaded for Multipole Filters

 Low-Power Shutdown: