AKD4620B Datasheet, PDF (16/60 Pages) Asahi Kasei Microsystems – Evaluation board AK4620B

ASAHI KASEI
[AKD4620B-B]
Measurement Result Example
[Measurement condition]
Measurement unit: Audio Precision System Two Cascade
MCLK: 512fs (44.1kHz), 256fs (96kHz), 128fs (192kHz)
BICK: 64fs
Power supply Voltage: VA=VT=5.0V, VD=3.3V
Interface: Internal DIT or DIR (44.1kHz, 96kHz, 192KHz)
Temperature: Room Temp.
1. ADC (Single-ended)
fs=44.1kHz
Parameter
Input signal
S/(N+D)
DR
DR
S/N
1kHz, -1dB
1kHz, -60dB
1kHz, -60dB
No input
Measurement filter
20kLPF
20kLPF
20kLPF, A-weighted
20kLPF, A-weighted
Results
L ch
R ch
89.7dB
90.0dB
108.2dB
108.2dB
110.9dB
110.9dB
110.9dB
110.9dB
fs=96kHz
Parameter
S/(N+D)
DR
DR
S/N
Input signal
1kHz, -1dB
1kHz, -60dB
1kHz, -60dB
No input
Measurement filter
40kLPF
40kLPF
40kLPF, A-weighted
40kLPF, A-weighted
Results
L ch
R ch
89.2dB
89.5dB
104.8dB
104.7dB
110.7dB
110.7dB
110.7dB
110.7dB
fs=192kHz
Parameter
S/(N+D)
DR
DR
S/N
Input signal
1kHz, -1dB
1kHz, -60dB
1kHz, -60dB
No input
Measurement filter
40kLPF
40kLPF
40kLPF, A-weighted
40kLPF, A-weighted
Results
L ch
R ch
89.0dB
104.8dB
110.6dB
110.5dB
89.3dB
104.8dB
110.6dB
110.5dB
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2005/05