AK5358 Datasheet, PDF (14/17 Pages) Asahi Kasei Microsystems – 96kHz 24-Bit ΔΣ ADC

ASAHI KASEI
[AK5358]
SYSTEM DESIGN
Figure 4 shows the system connection diagram. An evaluation board is available which demonstrates application circuits,
the optimum layout, power supply arrangements and measurement results.
Rch In
Lch In
Analog 5V
Digital 3.3V
10u+
1 AINR
+
2 AINL
10u
3 CKS1
CKS0 16
CKS2 15
DIF 14
2.2u 4 VCOM
PDN 13
AK5358
5 AGND
SCLK 12
+
10u
10u+
6 VA
0.1u
7 VD
8 DGND
0.1u
MCLK 11
LRCK 10
SDTO 9
Analog Ground
Mode
Control
Reset
Audio
Controller
System Ground
Note:
- AGND and DGND of the AK5358 should be distributed separately from the ground of external digital devices
(MPU, DSP etc.).
- All digital input pins should not be left floating.
- The CKS1 pin should be connected to VA or AGND.
Figure 4. Typical Connection Diagram
Digital Ground
Analog Ground
System
Controller
1 AINR
CKS0 16
2 AINL
CKS2 15
3 CKS1
DIF 14
4 VCOM _AK5358 PDN 13
5 AGND
SCLK 12
6 VA
MCLK 11
7 VD
LRCK 10
8 DGND
SDTO 9
Figure 5. Ground Layout
Note:
- AGND and DGND must be connected to the same analog ground plane.
MS0438-E-00
- 14 -
2005/11