Datasheet

PCM1753
PCM1754
PCM1755
SLES092C – OCTOBER 2003 – REVISED FEBRUARY 2009
www.ti.com
31
S/PDIF
Receiver
Evaluation Board
DEM-DAI1753
PCM1753/54/55
2nd-Order
Low-Pass
Filter
AES17 Filter
Band Limit
A-Weighting
Filter
(1)
Analyzer
and
Display
Digital
Generator
S/PDIF
Output
0% Full-Scale,
Dither Off (SNR)
or –60 dB FS,
1 kHz Sine Wave
(Dynamic Range)
Averaging
Mode
HPF = 400 Hz
LPF = 30 kHz
f
–3 dB
= 20.9 kHz
f
–3 dB
= 54 kHz or 108 kHz
(1)
Results without A-Weighting are approximately 3 dB worse.
Audio Precision System Two
Figure 37. Test Setup for Dynamic Range and SNR Measurement