... and the channel-to-channel tracking is essentially guaranteed by the accuracy of the components YOU use, not the potentiometers.
... and the implementation of "loudness" compensation is nominally ridiculously hard to accomplish, but with the chip, it is trivial.
... and "noisy potentiometers" (the bane of audio since the first amplifiers were ever conceived) can be "filtered away" with simple capacitor-in-parallel-to-wiper-and-ground configurations. Very smooth transitions possible.
... and possible to implement VERY slow time-constants (and set-and-forget) on volume controls for use in restaurants to avoid jarring (to diners) acoustic changes. (the possibilities are endless here)
... and very low phase distortion, by the creative genius of the circuit's designers.
... and frequency response well above audio range ... 200+ KHz.
... and best of all CHEAP all things considered. 1/20th the cost of trying to do it all with precision components, buffers, post-compenstation amplifiers.
... and FAST to implement
... and SIMPLE to execute, even by novices
... and utterly reliable over decade-time scales.
GoatGuy
... and the implementation of "loudness" compensation is nominally ridiculously hard to accomplish, but with the chip, it is trivial.
... and "noisy potentiometers" (the bane of audio since the first amplifiers were ever conceived) can be "filtered away" with simple capacitor-in-parallel-to-wiper-and-ground configurations. Very smooth transitions possible.
... and possible to implement VERY slow time-constants (and set-and-forget) on volume controls for use in restaurants to avoid jarring (to diners) acoustic changes. (the possibilities are endless here)
... and very low phase distortion, by the creative genius of the circuit's designers.
... and frequency response well above audio range ... 200+ KHz.
... and best of all CHEAP all things considered. 1/20th the cost of trying to do it all with precision components, buffers, post-compenstation amplifiers.
... and FAST to implement
... and SIMPLE to execute, even by novices
... and utterly reliable over decade-time scales.
GoatGuy
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