AKD4480-SB Datasheet, PDF (12/30 Pages) Asahi Kasei Microsystems – AK4480 Evaluation Board Rev.2

測定結果
[Measurement condition]
• Measurement unit
• MCLK
• BICK
• fs
• Bit
• Power Supply
• Interface
• Temperature
• Operational Amplifiers
: Audio Precision System two Cascade (AP2)
: 512fs (44.1 kHz), 256fs (96 kHz), 128fs (192 kHz)
: 64fs
: 44.1kHz, 96kHz, 192kHz
: 24bit
: AVDD= DVDD=5V
: Internal DIR
: Room
: LME49710NA
fs=44.1kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
20kLPF
20kLPF, A-weighted
20kLPF, A-weighted
Results ( Lch / Rch )
108.3/107.5
114.2/114.2
114.3/114.3
fs=96kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
40kLPF
40kLPF, A-weighted
40kLPF, A-weighted
Results ( Lch / Rch )
106.0/105.8
114.2/114.2
114.3/114.3
fs=192kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
40kLPF
40kLPF, A-weighted
40kLPF, A-weighted
Results ( Lch / Rch )
106.0/105.5
113.8/114.0
114.3/114.3
fs=192kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
80kLPF
80kLPF, A-weighted
80kLPF, A-weighted
Results ( Lch / Rch )
102.2/102.1
113.8/114.0
114.3/114.3
[AKD4480-SB]
<KM097902>
- 12 -
2009/12