AKD4629-A Datasheet, PDF (23/68 Pages) Asahi Kasei Microsystems – Evaluation board Rev.1 for AK4629

MEASUREMENT RESULTS
1) ADC part
[Measurement condition]
• Measurement unit : Audio Precision, System two, Cascade
• MCLK
: 512fs at 48kHz, 256fs at 96kHz
• BICK
: 64fs
• fs
: 48kHz, 96kHz
• BW
: 20Hz∼20kHz at fs=48kHz, 20Hz∼40kHz at 96kHz
• Bit
: 24bit
• Power Supply : AVDD=DVDD= TVDD=5V
• Interface
: DIT (AK4118)
• Temperature : Room
a) Single-ended Inputs
fs=48kHz
Parameter
S/(N+D)
DR
Input signal
1kHz,
-0.5dBFS
1kHz,
-60dBFS
Measurement filter
20kHz LPF
20kHz LPF+A-weighted
S/N
No signal 20kHz LPF+A-weighted
LIN1
95.7
102.7
103.0
RIN1
96.3
102.6
103.0
fs=96kHz
Parameter
S/(N+D)
DR
Input signal
1kHz,
-0.5dBFS
1kHz,
-60dBFS
Measurement filter
40kHz LPF
40kHz LPF+A-weighted
S/N
No signal 40kHz LPF+A-weighted
LIN1
91.6
105.0
105.2
RIN1
92.3
105.0
105.2
b) Differential Inputs
fs=48kHz
Parameter
S/(N+D)
DR
Input signal
1kHz,
-0.5dBFS
1kHz,
-60dBFS
Measurement filter
20kHz LPF
20kHz LPF+A-weighted
S/N
No signal 20kHz LPF+A-weighted
LIN1
96.9
103.2
103.5
RIN1
96.7
103.1
103.5
fs=96kHz
Parameter
S/(N+D)
DR
Input signal
1kHz,
-0.5dBFS
1kHz,
-60dBFS
Measurement filter
40kHz LPF
40kHz LPF+A-weighted
S/N
No signal 40kHz LPF+A-weighted
LIN1
93.5
105.9
106.2
RIN1
94.5
105.7
106.2
Units
dB
dB
dB
Units
dB
dB
dB
Units
dB
dB
dB
Units
dB
dB
dB
[AKD4629-A]
<KM101901>
-23-
2011/01