AKD4589 Datasheet, PDF (13/51 Pages) Asahi Kasei Microsystems – AK4589 Evaluation Board Rev.2

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
94.4 dB
98.5 dB
101.2 dB
98.8 dB
101.6 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
92.1 dB
97.6 dB
104.4 dB
97.6 dB
104.8 dB
[AKD4589-B]
<KM076201>
- 13 -
2005/07