AKD4686-B Datasheet, PDF (23/55 Pages) Asahi Kasei Microsystems – AK4686 Evaluation Board Rev.0

[AKD4686-B]
2) DAC part
[Measurement condition]
• Measurement unit : Audio Precision SYS-2722
• MCLK
: 512fs (fs=48kHz), 256fs (fs=96kHz), 128fs (fs=192kHz)
• BICK
: 64fs
• fs
: 48kHz, 96kHz, 192kHz
• BW
: 20Hz∼20kHz (fs=48kHz), 20Hz∼40kHz (fs=96kHz), 20Hz∼40kHz (fs=192kHz)
• Resolution
: 24bit
• Power Supply : AVDD1=AVDD2=DVDD=CVDD=3.3V
• Interface
: External DIR (U4)
• Temperature
: Room Temp
fs=48kHz
Parameter
S/(N+D)
DR
DR
S/N
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
1kHz, -60dB
“0” data
“0” data
Measurement filter
20kHz SPCL
20kHz SPCL
20kHz SPCL,
A-weighted
20kHz SPCL
20kHz SPCL,
A-weighted
Results [dB]
Lch Rch
88.4 88.9
97.2 97.5
100.0 99.9
98.7 98.7
101.0 101.0
fs=96kHz
Parameter
S/(N+D)
DR
DR
S/N
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
1kHz, -60dB
“0” data
“0” data
Measurement filter
40kHz SPCL
40kHz SPCL
40kHz SPCL,
A-weighted
40kHz SPCL
40kHz SPCL,
A-weighted
Results [dB]
Lch
Rch
87.8 88.1
95.0 95.1
100.0 100.0
96.9 97.0
101.7 101.7
fs=192kHz
Parameter
S/(N+D)
DR
DR
S/N
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
1kHz, -60dB
“0” data
“0” data
Measurement filter
40kHz SPCL
40kHz SPCL
40kHz SPCL,
A-weighted
40kHz SPCL
40kHz SPCL,
A-weighted
Results [dB]
Lch
Rch
87.4 87.7
95.1 95.2
100.0 100.0
96.0 96.1
100.8 100.9
< KM103800>
- 23 -
2010/08