ASAHI KASEI [AKD4432-SA]
[KM119003] 2020/05
Measurement Results
[Measurement condition]
・ Measurement unit : Audio Precision, SYS-2722 (No.00103)
・ MCKI : 512fs ,256fs,128fs
・ BICK : 64fs
・ fs : 48kHz、96kHz
・ Bit : 24bit
・ Input Frequency : 1kHz
・ Power Supply :+12V, GND
AVDD=LVDD=3.3V (Regulator)
・ Pass : COAX→AK4118A(DIR) → AK4432 → AOUT
・ Temperature : Room
・ Board Setting : Parallel Mode
[Measurement Results]
1. fs=48kHz, MCLK=512fs, BICK=64fs
Unit
DAC : SDTI => DAC => L/ROUT
S/(N+D) fs = 48kHz (0dBFS, 20kHz LPF) 90.0 89.8 dB
DR fs = 48kHz (-60dBFS, A-Weighted) 108.0 108.0 dB
S/N fs = 48kHz (No Inputs, A-Weighted) 108.0 108.0 dB
2. fs=96kHz, MCLK=256fs, BICK=64fs
Unit
DAC : SDTI => DAC => L/ROUT
S/(N+D) fs = 96kHz (0dBFS, 40kHz LPF) 89.7 89.6 dB
DR fs = 96kHz (-60dBFS, 40kHz LPF) 102.8 102.8 dB
S/N fs = 96kHz (No Input, 40kHz LPF) 102.8 102.8 dB
3. fs=192kHz, MCLK=128fs, BICK=64fs
Unit
DAC : SDTI => DAC => L/ROUT
S/(N+D) fs = 192kHz (0dBFS, 40kHz LPF) 89.6 89.6 dB
DR fs = 192kHz (-60dBFS, 40kHz LPF) 102.8 102.8 dB
S/N fs = 192kHz (No Inputs, 40kHz LPF) 102.8 102.8 dB