AKD4687-A Datasheet, PDF (21/52 Pages) Asahi Kasei Microsystems – Evaluation board Rev.2 for AK4687

MEASUREMENT RESULTS
1. ADC part
[Measurement condition]
• Measurement unit
• MCLK
• BICK
• fs
• BW
• Bit
• Power Supply
• Temperature
• Rf
• Ri
• Input Voltage
: Audio Precision SYS-2722
: 256fs
: 64fs
: 48kHz
: 20Hz∼20kHz (fs=48kHz)
: 24bit
: AVDD1=AVDD2=DVDD=3.3V
: Room
: 39kΩ
: 47kΩ
: 2.34Vrms
Parameter
S/(N+D)
DR
S/N
Input signal Measurement filter
1kHz, -1dBFS
1kHz, -60dBFS
No signal
20kHz LPF
20kHz LPF,
A-weighted
20kHz LPF,
A-weighted
Results [dB]
Lch Rch
83.1 82.7
98.5 99.5
98.5 99.6
[AKD4687-A]
<KM104603>
- 21 -
2011/06