AKD4621-B Datasheet, PDF (21/50 Pages) Asahi Kasei Microsystems – AK4621 Evaluation board Rev.2

[AKD4621-B]
Measurement Results
[Measurement condition]
• Measurement unit
• MCLK
• BICK
• fs
• Bit
• Power Supply
• Interface
• Temperature
: Audio Precision System two Cascade (AP2)
: 512fs (fs = 48kHz), 256fs (fs = 96kHz), 128fs (fs = 192kHz)
: 64fs
: 48kHz, 96kHz, 192kHz
: 24bit
: AVDD=5V, DVDD=TVDD=3.3V
: DIT or DIR
: Room
1. ADC (Differencial)
fs=48kHz
Parameter
S/(N+D)
S/(N+D)
DR
S/N
Input signal Measurement filter
1kHz, -1dB
1kHz, -60dB
1kHz, -60dB
“0” data
20kHzLPF
20kHzLPF
20kHzLPF, A-weighted
20kHzLPF, A-weighted
L ch
104.0
53.7
116.1
116.1
Results
R ch
104.0
53.8
116.1
116.1
fs=96kHz
Parameter
S/(N+D)
S(N+D)
DR
S/N
Input signal Measurement filter
1kHz, -1dB
1kHz, -60dB
1kHz, -60dB
“0” data
40kHzLPF
40kHzLPF
40kHzLPF, A-weighted
40kHzLPF, A-weighted
L ch
102.8
49.5
115.1
115.2
Results
R ch
102.8
49.6
115.2
115.4
fs=192kHz
Parameter
S/(N+D)
S(N+D)
DR
S/N
Input signal Measurement filter
1kHz, -1dB
1kHz, -60dB
1kHz, -60dB
“0” data
40kHzLPF
40kHzLPF
40kHzLPF, A-weighted
40kHzLPF, A-weighted
L ch
102.7
49.9
115.3
115.5
Results
R ch
102.8
50.1
115.6
115.6
<KM100802>
- 21 -
2010/12