AKD4682-A Datasheet, PDF (20/51 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC

ASAHI KASEI
[AKD4682-A]
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=DVDD1=DVDD2=5V, TVDD=3V, PVDD =9V
• Interface
: External 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 [dB]
Lch Rch
87.9 87.4
98.7 98.4
101.4 101.2
98.7 98.4
101.4 101.2
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 [dB]
Lch
Rch
87.2 86.8
96.6 96.3
101.4
96.6
101.4
101.2
96.3
101.2
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 [dB]
Lch
Rch
87.1 86.7
96.4 96.2
101.4
96.5
101.4
101.2
96.3
101.2
<KM086400>
- 20 -
2007/02