AKD4683 Datasheet, PDF (37/74 Pages) Asahi Kasei Microsystems – AK4683 Evaluation Board Rev.1

ASAHI KASEI
[AKD4683-A]
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
S/(N+D)
DR
DR
S/N
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
1kHz, -60dB
“0” data
“0” data
Measurement filter
20kLPF
20kLPF
22kLPF, A-weighted
20kLPF
22kLPF, A-weighted
Results
94.3 dB
105.0 dB
105.6 dB
103.4 dB
106.0 dB

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
40kLPF
40kLPF
22kLPF, A-weighted
40kLPF
22kLPF, A-weighted
Results
92.3 dB
102.0 dB
105.6 dB
101.0 dB
106.2 dB
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
40kLPF
40kLPF
22kLPF, A-weighted
40kLPF
22kLPF, A-weighted
Results
88.8 dB
102.5 dB
106.2 dB
101.3 dB
106.2 dB
<KM077504>
- 37 -
2005/08