Σ-Δ MODULATION SYSTEM DA CONVERTER WITH A BUILT-IN DIGITAL ATTENUATOR DIGITAL FILTER

TC9270F, TC9270N are a 2nd order Σ-Δ modulation system 1-bit DA converter with a built-in 8 times over sampling FIR type digital filter developed for digital audio equipment.
As the de-empahsis filter has been incorporation, it is possible to construct small the digital filter ~ the analog output unit at a low price.