AK5353 Datasheet, PDF (14/17 Pages) Asahi Kasei Microsystems – 96kHz 24BIT ADC WITH SIGLE-ENDED INPUT

ASAHI KASEI
[AK5353]
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
4.7u 470
+
2.2n
Lch In
4.7u 470
+
2.2n
1 AINR
2 AINL
TST 16
TTL 15
4.7u
Analog 5V
3
0.1u ^{4.7u 0.1u}
+
+
4
10u ₊
5
0.1u
6
VREF _AK5353
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 4. 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 VREF
DIF 14
4 VCOM _AK5353 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.
M0067-E-00
- 14 -
1999/06