ASAHI KASEI
[AKD4709-A]
<KM103002>
2011/06
MEASUREMENT RESULTS
Audio
[Measurement condition]
•
Measurement unit : Audio Precision SYS-2722
•
BW : 20Hz
∼
20kHz
•
Power Supply : VP=12V, VD1=3.3V, VD2=3.3V, VDD1=3.3V, VDD2=3.3V
•
Interface : Input: Cannon, Output: BNC
•
Temperature : Room
•
Volume#0 Gain : 0dB
•
Measurement signal line path: AINL/AINR
→
Volume#0
→
Volume#1
→
TVOUTL/TVOUTR
Parameter
Input signal
Measurement filter
Results
Lch [dB]
Results
Rch [dB]
S/(N+D)
(At 2Vrms Output)
1kHz, 0dBFS
20kLPF
95.0
94.9
DR
1kHz, -60dBFS
22kLPF, A-weighted
99.0
99.2
S/N “no-input
22kLPF,
A-weighted
99.0 99.2
Plots
Figure 1-1. FFT (1kHz, 0dBFS input) at 2Vrms output
Figure 1-2. FFT (1kHz, -60dBFS input)
Figure 1-3. FFT (Noise floor)
Figure 1-4. THD+N vs. Input Level (fin=1kHz)
Figure 1-5. THD+N vs. fin (Input Level=0dBFS)
Figure 1-6. Linearity (fin=1kHz)
Figure 1-7. Frequency Response (Input Level=0dBFS)
Figure 1-8. Crosstalk (Input Level=0dBFS)
- 12 -