AKD4682-A Datasheet, PDF (19/51 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC

ASAHI KASEI
Measure Result
1) ADC part
[Measurement condition]
• Measurement unit : Audio Precision
• MCLK
: 256fs (fs=48kHz)
• BICK
: 64fs
• fs
: 48kHz
• BW
: 20Hz∼20kHz (fs=48kHz)
• Bit
: 24bit
• Power Supply : AVDD1=AVDD2=DVDD1=DVDD2=5V, TVDD=3V, PVDD =9V
• Interface
: External DIT (fs=48kHz,)
• Temperature : Room Temp
fs=48kHz (ADC)
Parameter Input signal Measurement filter
S/(N+D)
DR
DR
S/N
S/N
1kHz, -0.5dB
1kHz, -60dB
1kHz, -60dB
No signal
No signal
20kLPF
20kLPF
20kLPF, A-weighted
20kLPF
20kLPF, A-weighted
Results [dB]
Lch
Rch
90.7 90.9
93.5 93.6
96.1 96.1
93.5 93.6
96.1 96.1
[AKD4682-A]
<KM086400>
- 19 -
2007/02