AKD5394A Datasheet, PDF (9/32 Pages) Asahi Kasei Microsystems – 24bit A/D converter for professional audio

ASAHI KASEI
[AKD5394A]
[Measurement Example]
Ta=25°C; VA=5.0V; VD=3.3V; AGND, BGND, DGND=0V; fs=48kHz;
24 bit Output; BW=10Hz~20kHz; DFS0= “L”, DFS1= “L”, Using Audio Precision System Two.
AKM
AK5394A THD+N vs Frequency
-60
-65
-70
-75
220µF
100µF
-80
-85
-90
d
B
-95
F
S
-100
-105
-110
-115
-120
1000µF
-125
470µF
-130
10
20
50
100
200
500
1k
Hz
la s t.at2 c
10µF
2k
5k
10k
20k
Figure 7. THD+N vs. Frequency
Capacitor C Settling Time
[µF]
T[s]=0.005 x C
1000
5
470
2.4
220
1.1
100
0.5
Table 10. Capacitors connected between VREF and GND, and Settling Time
Settling Time of VREF pin:T(s)
0.005 x C
VA, VD
RSTN
150ns~1ms
tRTW
tRTV
tRCF
CAL
SDATA
tRCR
Figure 8. Reset & Calibration Timing
<KM064804>
-9-
2005/05