AKD4550-E Datasheet, PDF (9/26 Pages) Asahi Kasei Microsystems – 16bit A/D and D/A converter

ASAHI KASEI
MEASUREMENT RESULTS
[Measurement condition]
• Measurement unit : Audio Precision, System two
• MCLK
: 256fs
• SCLK
: 64fs (ADC, DAC)
• fs
: 44.1kHz
• Bit
: 16bit
• Power Supply : VDD = 2.5V, 3.0V,3.6V
• Interface
: DIT/DIR
• Temperature : Room
1. ADC
(2) SCLK = 64fs
VDD
2.5V
3.0V
3.6V
Parameter
S/(N+D) (-0.5dBFS)
D-Range (-60dBFS)
S/N (0 data)
S/(N+D) (-0.5dBFS)
D-Range (-60dBFS)
S/N (0 data)
S/(N+D) (-0.5dBFS)
D-Range (-60dBFS)
S/N (0 data)
Measured Filter
20kHz LPF
20kLPF + A-weighted
20kLPF + A-weighted
20kHz LPF
20kLPF + A-weighted
20kLPF + A-weighted
20kHz LPF
20kLPF + A-weighted
20kLPF + A-weighted
fs = 44.1kHz
81.6 dB
89.7 dB
89.7 dB
80.7 dB
90.9 dB
90.9 dB
79.6 dB
92.0 dB
92.0 dB
2. DAC
(1) SCLK = 64fs
VDD
2.5V
3.0V
3.6V
Parameter
S/(N+D) (0dBFS)
D-Range (-60dBFS)
S/N (0 data)
S/(N+D) (0dBFS)
D-Range (-60dBFS)
S/N (0 data)
S/(N+D) (0dBFS)
D-Range (-60dBFS)
S/N (0 data)
Measured Filter
20kHz LPF
22kLPF + A-weighted
22kLPF + A-weighted
20kHz LPF
22kLPF + A-weighted
22kLPF + A-weighted
20kHz LPF
22kLPF + A-weighted
22kLPF + A-weighted
fs = 44.1kHz
87.5 dB
92.5 dB
93.2 dB
89.6 dB
93.8 dB
94.9 dB
91.3 dB
95.2 dB
96.6 dB
[AKD4550]
<KM083000>
-9-
2006/02