AKD4390-SA Datasheet, PDF (12/29 Pages) Asahi Kasei Microsystems – AK4390 Sound quality evaluation board Rev.2

Measurement Results
[Measurement condition]
• Measurement unit
• MCLK
• BICK
• fs
• Bit
• Power Supply
• Interface
• Temperature
• Operational Amplifiers
: Audio Precision System two Cascade (AP2)
: 512fs (44.1kHz), 256fs (96kHz), 128fs (192kHz)
: 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
20kLPF, A-weighted
Results
Lch
Rch
104.0
103.9
116.1
116.1
118.3
118.2
116.2
116.2
118.5
118.5
fs=96kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
80kLPF
80kLPF, A-weighted
80kLPF
80kLPF, A-weighted
Results
Lch
Rch
103.0
102.9
113.0
118.2
113.0
118.2
113.1
118.3
113.2
118.5
fs=192kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
80kLPF
80kLPF, A-weighted
80kLPF
80kLPF, A-weighted
Results
Lch
Rch
102.6
102.7
112.9
112.9
118.2
118.2
113.2
118.3
113.1
118.5
[AKD4390-SA]
<KM093004>
12
2009/02