AKD4683-B Datasheet, PDF (20/55 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC with internal DIR, DIT

ASAHI KASEI
Measure Result
1) ADC part
[Measurement condition]
• Measurement unit : Audio Precision
• MCLK
: 256fs (fs=48kHz, 96kHz)
• BICK
: 64fs
• fs
: 48kHz, 96kHz
• BW
: 20Hz∼20kHz (fs=48kHz), 20Hz∼40kHz (fs=96kHz)
• Bit
: 24bit
• Power Supply : AVDD1=AVDD2=DVDD=PVDD= TVDD=HVDD =5V,
• 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
91.5 dB
98.9 dB
101.6 dB
99.0 dB
101.9 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
92.9 dB
98.0 dB
103.1 dB
98.0 dB
103.1 dB
[AKD4683-B]
<KM080901>
- 20 -
2006/05