LMC1992 Digitally-Controlled Stereo Tone and Volum.
National Semiconductor
LMC1992 - LMC1992 Digitally-Controlled Stereo Tone and Volume Circuit with Four-Channel Input-Selector
LMC1992 Digitally-Controlled Stereo Tone and Volume Circuit with Four-Channel Input Selector December 1994 LMC1992 Digitally-Controlled Stereo Tone .