AKD5356 Datasheet, PDF (12/27 Pages) Asahi Kasei Microsystems – digital audio 20bit A/D converter with Pre-Amp and Analog Volume.

ASAHI KASEI
[AKD5356]
MEASUREMENT RESULTS EXAMPLE
[Measurement Condition]
• Measurement Units: Audio Precision, Cascade
• MCKI: 256fs
• Bit: 20bit
• Sampling Frequency: 44.1kHz
• Measurement Frequency: 10 ∼ 20kHz
• Power Supply: MVDD = 2.7V, AVDD = DVDD = 2.5V
• Temperature: Room
• Input Frequency: 1kHz
• Interface: DIT
[Measurement Results]
1. Pre-Amp Characteristics (PREL/PRER à PREOL/PREOR)
Parameter
Pre-Amp Gain
S/(N+D)
(Vout = –29.2dBV)
Output Noise Level
(Rg = 600Ω)
+33dB
+28dB
+18dB
+13dB
+33dB
+28dB
+18dB
+13dB
Results
60dB
65dB
74dB
78dB
-91dBV
-96dBV
-105dBV
-109dBV
Additional Filter
A-weighted
A-weighted
A-weighted
A-weighted
2. ADC Characteristics (LINE à ADC)
Parameter
S/(N+D)
DR
S/N
(–0.5dBFS )
(–60dBFS)
Results
IPGA = 0dB
IPGA = +28dB
84dB
74dB
89dB
79dB
89dB
79dB
Additional Filter
A-weighted
A-weighted
<KM068501>
- 12 -
2002/10