AKD4691-A Datasheet, PDF (32/68 Pages) Asahi Kasei Microsystems – Evaluation board Rev.0 for AK4691

[AKD4691-A]


[Measurement condition]
Measurement Result
ɾ
Measurement unit
ɾ
MCKI
ɾ
BICK
ɾ
fs
ɾ
Bit
ɾ
Measurement Mode
ɾ
Power Supply
ɾ
Input Frequency
ɾ
Measurement Frequency
ɾ
Temperature
: Audio Precision, System two Cascade
: 256fs (12.288MHz)
: 64fs
: 48kHz
: 16bit
: EXT Slave Mode
: AVDD=DVDD=MVDD=LVDD=SVDD=TVDD1=TVDD2=3.0V
: 1kHz
: 20 ~ 20kHz
: Room
[Measurement Results]
1. ADC1
ADC: LIN/RIN Æ ADC1, IVOL=0dB
S/(N+D) (-1dBFS)
DR
(-60dBFS, A-Weighted)
S/N
(A-weighted)
Result
Unit
Lch
Rch
89.8
90.2
dB
94.5
94.5
dB
94.6
94.6
dB
2. ADC2
Result
Unit
Lch
Rch
INTL2/INTR2 Æ ADC2, Pre-Amp Gain=+24dB, IVOL=+29.625dB
S/(N+D) (-1dBFS)
87.5
DR
IVOL=0dB, (-60dBFS, A-Weighted)
62.1
86.5
dB
62.2
dB
S/N
(A-weighted)
62.1
62.2
dB
3. DAC
Result
Unit
Lch
Rch
DAC: DAC Æ LOUT/ROUT, IVOL=DVOL=LVOL=0dB, RL=10kΩ
S/(N+D) (0dBFS)
86.2
86.1
dB
DR
(-60dBFS, A-Weighted)
89.5
89.6
dB
S/N
(A-weighted)
90.2
90.2
dB
Headphone-Amp: DAC Æ HPL/HPR, IVOL=DVOL=0dB, RL=22.8Ω, HPG bit = “0”
S/(N+D) (-3dBFS)
72.5
72.2
dB
DR
(-60dBFS, A-Weighted)
89.5
89.4
dB
S/N
(A-weighted)
90.3
90.3
dB
Speaker-Amp: DAC Æ SPP/SPN, IVOL=DVOL=0dB, RL=8Ω
S/(N+D) SPKG=+10.65dB, (-3dBFS)
61.3
dB
S/N
(A-Weighted)
89.7
dB
<KM089100>
- 32 -
2007/06