AKD4537 Datasheet, PDF (12/32 Pages) Asahi Kasei Microsystems – Evaluation board Rev.B for AK4537

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 (MIC) characteristics (MIC Gain = +20dB, IPGA=0dB, ALC1 = OFF, MIC à IPGA à ADC)
L[dB]
R[dB]
THD+N 20kHzLPF (-1dB)
81.8
81.8
DR
20kHzLPF + A-weighted
84.4
84.5
S/N
20kHzLPF + A-weighted
84.4
84.5
2. ADC (LIN2/RIN2) characteristics (IPGA=0dB, ALC1 = OFF, LIN2/RIN2 à IPGA à ADC)
L[dB]
R[dB]
THD+N 20kHzLPF (-1dB)
88.1
88.1
DR
20kHzLPF + A-weighted
91.4
91.3
S/N
20kHzLPF + A-weighted
91.4
91.2
3.DAC (LOUT/ROUT) characteristics (RL=10kΩ DAC à LOUT/ROUT)
L[dB]
R[dB]
THD+N 20kHzLPF (-3dB)
88.2
87.9
DR
20kHzLPF + A-weighted
91.0
90.7
S/N
20kHzLPF + A-weighted
90.9
90.7
4.DAC (MOUT+/MOUT-) characteristics (RL=20kΩ DAC à MOUT+/MOUT-)
+[dB]
-[dB]
THD+N 20kHzLPF (-3dB)
90.0
90.9
DR
20kHzLPF + A-weighted
92.8
94.2
S/N
20kHzLPF + A-weighted
92.8
94.1
5.DAC (HPL/HPR) characteristics (RL=22.8Ω, DATT=0dB, DAC à HPL/HPR)
L[dB]
R[dB]
THD+N 20kHzLPF (-3dB)
71.3
71.6
DR
20kHzLPF + A-weighted
89.1
89.2
S/N
20kHzLPF + A-weighted
89.0
89.1
[AKD4537]
<KM069501>
- 12 -
2002/11