AK5380 Datasheet, PDF (14/17 Pages) Asahi Kasei Microsystems – 96kHz 24Bit ADC with Single - ended Input

ASAHI KASEI
[AK5380]
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.
10u
Rch In
+
10u
Lch In
+
1 AINR
2 AINL
TST 16
TTL 15
Analog 5V
3
2.2u 0.1u
+
4
10u ₊
5
0.1u
6
NC _AK5380
VCOM
AGND ^{Top View}
VA
DIF 14
PDN 13
SCLK 12
MCLK 11
10u ⁺
7 VD
0.1u
8 DGND
LRCK 10
SDTO 9
Analog Ground
Mode Control
Power-down Control
Controller
System Ground
Figure 6. Typical Connection Diagram
Note: The value of electrolytic capacitor at VCOM depends on the low-frequency noise of power supply.
Digital Ground
Analog Ground
System
Controller
1 AINR
TST 16
2 AINL
TTL 15
3 NC
DIF 14
4 VCOM _AK5380 PDN 13
5 AGND
SCLK 12
6 VA
MCLK 11
7 VD
LRCK 10
8 DGND
SDTO 9
Figure 7. Ground Layout
Note: AGND and DGND must be connected to the same analog ground plane.
MS0100-E-01
- 14 -
2001/7