AKD4628 Datasheet, PDF (11/39 Pages) Asahi Kasei Microsystems – Evaluation board Rev.B for AK4628

ASAHI KASEI
MEASUREMENT RESULTS
1) ADC part
[Measurement condition]
• Measurement unit : Audio Precision, System two, Cascade
• MCLK
: 256fs
• BICK
: 64fs
• fs
: 48kHz, 96kHz
• BW
: 10Hz∼20kHz(fs=48kHz), 10Hz∼48kHz(fs=96kHz)
• Bit
: 24bit
• Power Supply : AVDD=DVDD=5V, TVDD=3.3V
• Interface
: DIT(AK4103)
• Temperature : Room
fs=48kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, -0.5dB
1kHz, -60dB
no signal
Measurement filter
20kLPF
20kLPF
20kLPF+A-weighted
20kLPF
20kLPF+A-weighted
Lch
95.4dB
99.1dB
101.8dB
99.5dB
102.5dB
Rch
95.3dB
99.3dB
102.2dB
99.4dB
102.5dB
fs=96kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, -0.5dB
1kHz, -60dB
no signal
Measurement filter
fs/2
fs/2
20kHz+A-weighted
fs/2
20kHz+A-weighted
Lch
93.7dB
97.6dB
104.1dB
97.7dB
104.3dB
Rch
93.7dB
97.6dB
104.1dB
97.7dB
104.4dB
[AKD4628]
<KM069700>
-11-
2002/9