Benchmark DAC1 USB - Specifications; Audio Performance

DAC1 USB Instruction Manual Revision D Page 40
Specifications
Audio Performance
Fs = 44.1 to 96 kHz, 20 to 20 kHz BW, 1 kHz test tone, 0 dBFS = +24 dBu (unless noted)
SNR – A-Weighted, 0 dBFS = +20 to +29 dBu 116 dB
SNR – Unweighted, 0 dBFS = +20 to +29 dBu 114 dB
SNR – A-Weighted at low gain, 0 dBFS = +9 to +18 dBu 114 dB
THD+N, 1 kHz at 0 dBFS -105 dBFS, -105 dB, 0.00056%
THD+N, 1 kHz at -1 dBFS -107 dBFS, -106 dB, 0.00050%
THD+N, 1 kHz at –3 dBFS -110 dBFS, -107 dB, 0.00045%
THD+N, 20 to 20 kHz test tone at –3 dBFS -110 dBFS, -107 dB, 0.00045%
Frequency Response at Fs=96 kHz +/- 0.1 dB (20 to 20 kHz)
-0.02 dB at 10 Hz
-0.20 dB at 20 kHz
-0.85 dB at 40 kHz
-2.5 dB at 45 kHz
Frequency Response at Fs=48 kHz +/- 0.1 dB (20 to 20 kHz)
-0.02 dB at 10 Hz
-0.20 dB at 20 kHz
Crosstalk -100 dB at 20 kHz
-125 dB at 1 kHz
-130 dB at 20 Hz
Maximum Amplitude of Jitter Induced Sidebands (10
kHz 0 dBFS test tone, 12.75 UI sinusoidal jitter at 1
kHz)
< -141 dB
Maximum Amplitude of Spurious Tones with 0 dBFS test
signal
< -126 dB
Maximum Amplitude of Idle Tones < -128 dB
Maximum Amplitude of AC line related Hum & Noise < -126 dB