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AKD4589-B Datasheet, PDF (13/51 Pages) Asahi Kasei Microsystems – gle chip 24bit CODEC that has two channels of ADC | |||
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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
: 20Hzâ¼20kHz (fs=48kHz), 20Hzâ¼40kHz (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
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