AKD4645A-A Datasheet, PDF (22/53 Pages) Asahi Kasei Microsystems – Evaluation board Rev.1 for AK4645A

ASAHI KASEI
[AKD4645A-A]
MEASUREMENT RESULTS
1. EXT mode (slave mode)
[Measurement condition]
● Measurement unit: Audio Precision, System two Cascade
● EXT Slave Mode
● MCLK: 256fs
● BICK: 64fs
● Bit: 16bit
● Measurement Frequency: 20Hz ∼ 20kHz
● Power Supply: AVDD=DVDD=HVDD=TVDD=3.3V
● Temperature: Room
● Input Frequency: 1kHz
● Sampling Frequency: 44.1kHz
[Measurement Results]
ADC (LIN2/RIN2) characteristics (IVOL=0dB, ALC1 = OFF, LIN2/RIN2 Æ ADC Æ IVOL)
L[dB]
R[dB]
MIC-Amp Gain
0dB +20dB 0dB +20dB
S/(N+D) 20kHzLPF (−1dB)
90.1
84.1
89.7
83.7
DR
20kHzLPF + A-weighted 95.6
87.4
95.7
87.4
S/N 20kHzLPF + A-weighted 95.9
87.4
95.9
87.4
DAC (LOUT/ROUT) characteristics (R_L=20kΩ, DAC Æ LOUT/ROUT)
L[dB] R[dB]
S/(N+D) 20kHzLPF (−3dB)
88.7
88.9
S/N 20kHzLPF + A-weighted 94.3
94.1
DAC (HPL/ HPR) characteristics (R_L=22.8Ω, DAC Æ HPL/ HPR)
L[dB] R[dB]
S/(N+D) 20kHzLPF (−3dB)
66.8
67.3
S/N 20kHzLPF + A-weighted 91.3
91.4
< KM094901>
- 22 -
2009/10