AKD4640 Datasheet, PDF (11/29 Pages) Asahi Kasei Microsystems – AKD4640 EVALUATION BOARD

ASAHI KASEI
1. EXT mode (slave mode)
MEASUREMENT RESULTS
[Measurement condition]
• Measurement unit: Audio Precision, System two
• BICK: 64fs
• Bit: 16bit
• Measurement Frequency: 20 ∼ 20kHz
• Power Supply: AVDD=DVDD=PVDD=HVDD=3.3V
• Temperature: Room
• Input Frequency: 1kHz
• Sampling Frequency: 44.1kHz
[Measurement Results]
1. ADC (INT) characteristics (MIC Gain = +20dB, IPGA=0dB, ALC1 = OFF, INT à IPGA à ADC)
L[dB]
THD+N 20kHzLPF (-1dB)
80.9
DR
20kHzLPF + A-weighted
84.4
S/N
20kHzLPF + A-weighted
84.5
2. DAC (HPL/HPR) characteristics (RL=22.8Ω, DATT=0dB, DAC à HPL/HPR)
L[dB]
R[dB]
THD+N 20kHzLPF (-3dB)
70.6
71.3
DR
20kHzLPF + A-weighted
S/N
20kHzLPF + A-weighted
89.7
89.7
90.1
90.2
[AKD4640]
<KM072300>
- 11 -
2003/07