Well, 123 dB is just 20 bits, but they have a 24-bit one with 132 dB = 22 bits.. so why they do 32 bit ?
Daniel James Richard Tyrer wrote: > TI announcement: > > http://focus.ti.com/docs/prod/folders/print/pcm1795.html?DCMP=hpa_audio_general&HQS=EVM+OT+pcm1795-em > > > I still wonder if there is any point to this, but it now exists for > 32bit @ 192ks/s audio. > > This would be nice for recording, but it will certainly be a challenge > for (analog) amplifier builders! Or perhaps for an analog front end for > a Class D power amplifier. I would think that power supply noise would > be a serious issue trying to get that much S/N -- a switcher is going to > need an analog regulator follower. Push pull Class D is said to have > better power supply rejection -- controversial subject. IAC, it is not > possible to directly drive a Class D amp with that much digital data; it > would be: 824.6 THz. I think that that is getting into far infrared. > _______________________________________________ Open-hardware mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-hardware
