AKD4569 Datasheet, PDF (9/27 Pages) Asahi Kasei Microsystems – Evaluation board Rev.A for AK4569

ASAHI KASEI
MEASUREMENT RESULTS
1) ADC part
[Measurement condition]
• Measurement unit : Audio Precision System two Cascade
• MCLK
: 256fs
• BICK
: 64fs
• fs
: 48kHz
• BW
: 10Hz∼20kHz
• Bit
: 20bit
• Power Supply : AVDD=DVDD=HVDD=3V
• Interface
: DIT
• Temperature : Room
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, -1dB
1kHz, -60dB
No signal
Measurement filter
20kLPF
20kLPF, A-weighted
20kLPF, A-weighted
Results
85.1dB
88.6dB
88.6dB
2) DAC part
[Measurement condition]
• Measurement unit : Audio Precision System two Cascade
• MCLK
: 256fs
• BICK
: 64fs
• fs
: 48kHz
• BW
: 10Hz∼20kHz
• Bit
: 20bit
• Power Supply : AVDD=DVDD=HVDD=3V
• Interface
: DIR
• Temperature : Room
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
20kLPF
22kLPF, A-weighted
22kLPF, A-weighted
HP-amp
69.5dB
90.8dB
91.2dB
[AKD4569]
MOUT
85.7dB
90.3dB
90.9dB
<KM074000>
-9-
2004/02