The HighEnd ADC Measures
Channel Separation ~ 80 dB
Input Noise (Gain=0dB) ~ -115 dB (~ Datasheet Value)
Input Noise (Gain= +30dB) ~ -100 dB
THD+N: ~ 0.075%
Input Sinus 1kHz, -30dB
THD+N: not (really) measurable
Input Sinus 1kHz, -90dB
THD+N: ~ 0.02%
Input Sinus 1kHz, -5dB