AKD4683-B Datasheet, PDF (21/55 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC with internal DIR, DIT

ASAHI KASEI
[AKD4683-B]
2) DAC part
[Measurement condition]
• Measurement unit : Audio Precision
• MCLK
: 256fs (fs=48kHz, 96kHz), 128fs (fs=192kHz)
• BICK
: 64fs
• fs
: 48kHz, 96kHz, 192kHz
• BW
: 20Hz∼20kHz (fs=48kHz), 20Hz∼40kHz (fs=96kHz), 20Hz∼40kHz (fs=192kHz)
• Resolution
: 24bit
• Power Supply : AVDD1=AVDD2=DVDD=PVDD= TVDD=HVDD=5V
• Interface
: Internal DIR (48kHz, 96kHz, 192kHz)
• Temperature : Room Temp
fs=48kHz
Parameter
S/(N+D)
DR
DR
S/N
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
1kHz, -60dB
“0” data
“0” data
Measurement filter
20kLPF
20kLPF
22kLPF, A-weighted
20kLPF
22kLPF, A-weighted
Results
98.0 dB
103.7 dB
105.8 dB
103.4 dB
106.0 dB
fs=96kHz
Parameter
S/(N+D)
DR
DR
S/N
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
1kHz, -60dB
“0” data
“0” data
Measurement filter
40kLPF
40kLPF
22kLPF, A-weighted
40kLPF
22kLPF, A-weighted
Results
96.5 dB
102.0 dB
105.8 dB
101.0 dB
106.0 dB
fs=192kHz
Parameter
S/(N+D)
DR
DR
S/N
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
1kHz, -60dB
“0” data
“0” data
Measurement filter
40kLPF
40kLPF
22kLPF, A-weighted
40kLPF
22kLPF, A-weighted
Results
96.8 dB
102.5 dB
105.8 dB
101.2 dB
105.8 dB
<KM080901>
- 21 -
2006/05