AKD4702 Datasheet, PDF (10/32 Pages) Asahi Kasei Microsystems – Evaluation board Rev.A for AK4702

ASAHI KASEI
MEASUREMENT RESULTS
n Audio
[Measurement condition]
• Measurement unit : Audio Precision System two Cascade
• MCLK
: 256fs
• BICK
: 64fs
• fs
: 48kHz
• BW
: 10Hz∼20kHz
• Bit
: 18bit
• Power Supply : VD=5V, VDD1=5V, VDD2=5V, VP=12V
• Interface
: DIR
• Temperature
: Room
• Volume#0=Volume#1=0dB
• Measurement signal line path: DAC → Volume#0 → Volume#1 → TVOUTL/R
Parameter
S/(N+D) at 2Vrms Output
DR
S/N
Input signal
1kHz, 0dBFS
1kHz, -60dBFS
“0” data
Measurement filter
20kLPF
22kLPF, A-weighted
22kLPF, A-weighted
Results [dB]
91.5
96.0
96.0
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. FFT (Out-of band noise)
Figure 1-5. THD+N vs. Input Level (fin=1kHz)
Figure 1-6. THD+N vs. fin (Input Level=0dBFS)
Figure 1-7. Linearity (fin=1kHz)
Figure 1-8. Frequency Response (Input Level=0dBFS)
Figure 1-9. Crosstalk (Input Level=0dBFS)
[AKD4702]
<KM067304>
- 10 -
2002/12