AKD7782-A Datasheet, PDF (21/73 Pages) Asahi Kasei Microsystems – AK7782 Evaluation Board Rev.0

[AKD7782-A]
Measurement Results
[Measurement condition]
・ Measurement unit
・ MCKI
・ BICK
・ fs
・ Bit
・ Measurement Mode
・ Power Supply
・ Input Frequency
・ Measurement Frequency
・ Temperature
: Audio Precision, System two Cascade
: 12.288MHz
: 64fs
: 48kHz, 96kHz
: 24bit
: CKM Mode 0, Master Mode
: +12V, GND
: 1kHz
: 20 ~ 20kHz@48kHz, 20Hz ~ 40kHz@96kHz
: Room
[Measurement Results]
1. ADC1
Result
Unit
Lch
Rch
ADC1 : AIN1(Differential) => ADC1 => SDOUTA1
S/(N+D) ^{fs = 48kHz (-1dBFS)}
fs = 96kHz (-1dBFS)
90.4
90.3
dB
87.5
87.4
DR
fs = 48kHz (-60dBFS, A-Weighted)
96.1
96.1
dB
fs = 96kHz (-60dBFS)
92.3
92.2
S/N
fs = 48kHz (A-weighted)
fs = 96kHz
96.2
96.1
dB
92.3
92.3
2. ADC2
Result
Unit
Lch
Rch
ADC2 : AIN1(Differential) => ADC2 => SDOUTA1
S/(N+D) ^{fs = 48kHz (-1dBFS)}
fs = 96kHz (-1dBFS)
90.2
90.2
dB
87.3
87.3
DR
fs = 48kHz (-60dBFS, A-Weighted)
96.0
96.1
dB
fs = 96kHz (-60dBFS)
92.3
92.4
S/N
fs = 48kHz (A-weighted)
fs = 96kHz
96.2
96.2
dB
92.4
92.4
3. ADCM
ADCM : ADCM => ADCM => SDOUT7
S/(N+D) ^{fs = 48kHz (-1dBFS)}
fs = 96kHz (-1dBFS)
DR
fs = 48kHz (-60dBFS, A-Weighted)
fs = 96kHz (-60dBFS)
S/N
fs = 48kHz (A-weighted)
fs = 96kHz
Result
Unit
88.5
dB
87.0
95.5
dB
91.5
95.6
dB
91.6
<KM106200>
- 21 -
2011/03