AKD4554 Datasheet, PDF (9/27 Pages) Asahi Kasei Microsystems – Evaluation board Rev.0 for AK4554

ASAHI KASEI
[AKD4554]
MEASUREMENT RESULTS
[Measurement condition]
• Measurement unit
• MCLK
• SCLK
• fs
• Bit
• Power Supply
• Interface
• Temperature
: Audio Precision, System two
: 256fs
: 64fs
: 44.1kHz
: 16bit
: VDD = VP = 2.5V, VD = 5V
: DIT/DIR
: Room
1. ADC
VDD
2.5V
Parameter
S/(N+D) (-0.5dBFS)
D-Range (-60dBFS)
S/N (0 data)
Measured Filter
20kHz LPF
20kLPF + A-weighted
20kLPF + A-weighted
AINL
80.9 dB
89.4 dB
89.3 dB
2. DAC
VDD
2.5V
Parameter
S/(N+D) (0dBFS)
D-Range (-60dBFS)
S/N (0 data)
Measured Filter
20kHz LPF
22kLPF + A-weighted
22kLPF + A-weighted
AOUTL
84.5 dB
91.6 dB
91.9 dB
AINR
81.0 dB
89.2 dB
89.2 dB
AOUTR
84.5 dB
91.7 dB
92.1 dB
<KM077900>
-9-
2005/03