参数资料
型号: AKD4640
厂商: Asahi Kasei Microsystems Co.,Ltd
英文描述: AKD4640 EVALUATION BOARD
中文描述: AKD4640评价委员会
文件页数: 3/29页
文件大小: 266K
代理商: AKD4640
ASAHI KASEI
[AKD4640]
<KM072300>
2003/07
- 11 -
MEASUREMENT RESULTS
1. EXT mode (slave mode)
[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=22.8
, DATT=0dB, DAC à HPL/HPR)
L[dB]
R[dB]
THD+N
20kHzLPF (-3dB)
70.6
71.3
DR
20kHzLPF + A-weighted
89.7
S/N
20kHzLPF + A-weighted
90.1
90.2
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