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ASAHI KASEI
[AKD4589-B]
<KM076201>
2005/07
-
14
-
2) DAC part
[Measurement condition]
•
Measurement unit : Audio Precision System two Cascade (AP2)
•
MCLK : 256fs (fs=48kHz, 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 : AVDD=PVDD=DVDD=5V, TVDD=3.3V
•
Interface : Internal DIR (48kHz, 96kHz, 192kHz)
•
Temperature : Room Temp
fs=48kHz
Parameter
Input signal
Measurement filter
Results
S/(N+D) 1kHz,
0dB
20kLPF
98.7
dB
DR 1kHz,
-60dB 20kLPF
110.0
dB
DR
1kHz, -60dB
22kLPF, A-weighted
112.5 dB
S/N
“0” data
20kLPF
110.0 dB
S/N
“0” data
22kLPF, A-weighted
112.8 dB
fs=96kHz
Parameter Input
signal Measurement
filter
Results
S/(N+D) 1kHz,
0dB
40kLPF
97.8
dB
DR
1kHz, -60dB
40kLPF
106.8 dB
DR
1kHz, -60dB
22kLPF, A-weighted
112.2 dB
S/N
“0” data
40kLPF
106.8 dB
S/N
“0” data
22kLPF, A-weighted
112.5 dB
fs=192kHz
Parameter Input
signal Measurement
filter
Results
S/(N+D) 1kHz,
0dB
40kLPF
96.4
dB
DR
1kHz, -60dB
40kLPF
106.8 dB
DR
1kHz, -60dB
22kLPF, A-weighted
112.2 dB
S/N
“0” data
40kLPF
107.0 dB
S/N
“0” data
22kLPF, A-weighted
112.5 dB