AKD4683 Datasheet, PDF (36/74 Pages) Asahi Kasei Microsystems – AK4683 Evaluation Board Rev.1

ASAHI KASEI
Measure Result
1) ADC part
[Measurement condition]
• Measurement unit : Audio Precision System two Cascade (AP2)
• MCLK
: 256fs (fs=48kHz), 256fs (fs=96kHz)
• BICK
: 64fs
• fs
: 48kHz, 96kHz
• BW
: 20Hz∼20kHz (fs=48kHz), 20Hz∼40kHz (fs=96kHz)
• Bit
: 24bit
• Power Supply : AVDD=PVDD=DVDD=5V, TVDD=3.3V
• Interface
: Internal DIT (fs=48kHz, 96kHz)
• Temperature : Room Temp
fs=48kHz
Parameter
S/(N+D)
DR
DR
S/N
S/N
Input signal
1kHz, -0.5dB
1kHz, -60dB
1kHz, -60dB
No signal
No signal
Measurement filter
20kLPF
20kLPF
20kLPF, A-weighted
20kLPF
20kLPF, A-weighted
Results
93.1 dB
97.1 dB
100.6 dB
98.2 dB
101.1 dB
fs=96kHz
Parameter
S/(N+D)
DR
DR
S/N
S/N
Input signal
1kHz, -0.5dB
1kHz, -60dB
1kHz, -60dB
No signal
No signal
Measurement filter
fs/2
fs/2
20kLPF, A-weighted
fs/2
20kLPF, A-weighted
Results
92.0 dB
96.3 dB
102.7 dB
96.3 dB
102.9 dB
[AKD4683-A]
<KM077504>
- 36 -
2005/08