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

General Description

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 th

Key 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.

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LMC1992 Digitally-Controlled Stereo Tone and Volume Circuit with Four-Channel Input Selector December 1994 LMC1992 Digitally-Controlled Stereo Tone and Volume Circuit with Four-Channel Input-Selector General Description 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 level input signals (300 mV b 2V) and has a maximum gain of 0 dB The internal design is optimized for external capacitors having values of 0 1 mF or less This allows the use of chip capacitors for coupling and tone con