AKD4687-A Datasheet, PDF (22/52 Pages) Asahi Kasei Microsystems – Evaluation board Rev.2 for AK4687

[AKD4687-A]
2. DAC part
[Measurement condition]
• Measurement unit
• MCLK
• BICK
• fs
• BW
• Resolution
• Power Supply
• Temperature
: Audio Precision SYS-2722
: 512fs (fs=48kHz), 256fs (fs=96kHz), 128fs (fs=192kHz)
: 64fs
: 48kHz, 96kHz, 192kHz
: 20Hz∼20kHz (fs=48kHz), 20Hz∼40kHz (fs=96kHz), 20Hz∼40kHz (fs=192kHz)
: 24bit
: AVDD1=AVDD2=DVDD=3.3V
: Room
fs=48kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
20kHz SPCL
20kHz SPCL,
A-weighted
20kHz SPCL,
A-weighted
Results [dB]
Lch
Rch
95.0 95.1
105.5 105.7
105.7 105.8
fs=96kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
40kHz SPCL
40kHz SPCL,
A-weighted
40kHz SPCL,
A-weighted
Results [dB]
Lch
Rch
94.2 94.4
105.5 105.7
105.7 105.7
fs=192kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
40kHz SPCL
40kHz SPCL,
A-weighted
40kHz SPCL,
A-weighted
Results [dB]
Lch
Rch
93.1 93.3
105.6 105.6
105.7 105.5
<KM104603>
- 22 -
2011/06