Digital Filter Has Analog I/O

Offering two independent 20-kHz analog channels, programmable-gain input and output amplifiers, an LCD interface, a serial control interface, and DSP, the Versa-Filter IC features tunable low-pass, high-pass, band-pass, band-stop, and notch filtering functions. These digital filter modules are compact, flexible replacements for traditional analog filter modules and have wide application in telecommunications, data acquisition, anti-alias filtering, signal reconstruction, speech and audio processing, test and measurement equipment, and aerospace and military systems.