LMC1992 - National Semiconductor

LMC1992 LMC1992 Digitally-Controlled Stereo Tone and Volume Circuit with Four-Channel Input-Selector

The LMC1992 is a monolithic integrated circuit that provides four stereo inputs bass and treble tone controls and volume balance and front-rear fader controls These functions are digitally controlled through a three-wire communication interface All of the LMC1992s functions are achieved with only three external capacitors per channel It is designed for line .

Features

Y Y Y Y Y Y Y Y Y Y Y Y Y Low noise and distortion Four stereo inputs 40 volume levels including mute 20 fader levels All attenuators have a 2 dB of attenuation per step Front back fade control External processor loop Only three external components per channel Serial programmable standard MICROWIRETM interface Single supply operation 6V to 12V supply voltage Protection address (similar to DS8906) DC-coupled inputs Single supply operation Applications Y Y Y Y Automotive audio systems Sound reinforcement systems Home entertainment stereo television and music reproduction systems Electronic .