AKD4586 Datasheet, PDF (17/46 Pages) Asahi Kasei Microsystems – Evaluation board Rev.B for AK4586

ASAHI KASEI
MEASUREMENT RESULTS
1) ADC part
[Measurement condition]
• Measurement unit : Audio Precision System two Cascade
• MCLK
: 256fs
• BICK
: 64fs
• fs
: 48kHz, 96kHz
• BW
: 10Hz∼20kHz (fs=48kHz), 10Hz∼48kHz (fs=96kHz)
• Bit
: 24bit
• Power Supply : AVDD=PVDD=DVDD=TVDD=5V
• Interface
: DIT
• Temperature : Room
fs=48kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, -0.5dB
1kHz, -60dB
No signal
Measurement filter
20kLPF
20kLPF, A-weighted
20kLPF, A-weighted
Results
95.6 dB
101.4 dB
101.6 dB
fs=96kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, -0.5dB
1kHz, -60dB
No signal
Measurement filter
fs/2
fs/2, A-weighted
fs/2, A-weighted
Results
92.5 dB
103.4 dB
103.4 dB
2) DAC part
[Measurement condition]
• Measurement unit : Audio Precision System two Cascade
• MCLK
: 256fs
• BICK
: 64fs
• fs
: 48kHz, 96kHz
• BW
: 10Hz∼20kHz (fs=48kHz), 10Hz∼40kHz (fs=96kHz)
• Bit
: 24bit
• Power Supply : AVDD=PVDD=DVDD=TVDD=5V
• Interface
: DIR
• Temperature : Room
fs=48kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
20kLPF
22kLPF, A-weighted
22kLPF, A-weighted
Results
97.3 dB
105.3 dB
105.8 dB
fs=96kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
40kLPF
22kLPF, A-weighted
22kLPF, A-weighted
Results
95.5 dB
105.5 dB
105.8 dB
<KM065102>
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[AKD4586]
2005/7