AKD4709-A Datasheet, PDF (12/28 Pages) Asahi Kasei Microsystems – AK4709 Evaluation Board Rev.2

ASAHI KASEI
[AKD4709-A]
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
S/(N+D)
(At 2Vrms Output)
DR
S/N
1kHz, 0dBFS
1kHz, -60dBFS
“no-input
20kLPF
22kLPF, A-weighted
22kLPF, A-weighted
Results
Lch [dB]
95.0
99.0
99.0
Results
Rch [dB]
94.9
99.2
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)
<KM103002>
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2011/06