Digitally-controlled Stereo Tone And Volume Circuit With Two Selectable Stereo Inputs - National Semiconductor

The LMC1982 is a monolithic integrated circuit that provides volume, balance, Tone (bass and treble), enhanced stereo, and loudness controls and selection between two pairs of stereo inputs. These functions are digitally controlled through a three-wire Communication Interface There are two digital inputs for easy Interface to other Audio peripherals such as stereo decoders. The LMC1982 is designed for line level input signals (300 mV2V) and has a maximum gain of 0.5 dB. Volume is set at minimum and Tone controls are flat when supply voltage is first applied. Low noise and distortion result from using Analog Switches and poly-silicon resistor networks in the signal path. Additional Tone control CAN be achieved using the LMC835 stereo 7-band graphic equalizer connected to the LMC1982s SELECT OUT/SELECT IN external processor loop. By National Semiconductor Corporation
LMC1982 's PackagesLMC1982 's pdf datasheet

LMC1982 Pinout, Pinouts
LMC1982 pinout,Pin out
This is one package pinout of LMC1982,If you need more pinouts please download LMC1982's pdf datasheet.

LMC1982 Application circuits
LMC1982 circuits
This is one application circuit of LMC1982,If you need more circuits,please download LMC1982's pdf datasheet.

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