ak4387 AKM Semiconductor, Inc., ak4387 Datasheet - Page 18

• Manufacturer Part Number: ak4387
• Description: 106db 192khz 24-bit 2ch ?? Dac
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Figure 9 and 10 show the system connection diagram. An evaluation board (AKD4387) is available in order to allow an
easy study on the layout of a surrounding circuit.
MS0429-E-00
Notes:
Reset & Power down
Reset & Power down
- LRCK = fs, BICK = 64fs.
- When AOUT drives some capacitive load, some resistor should be added in series between AOUT and capacitive
- All input pins should not be left floating.
- THD+N value at 192kHz decreases by around 3dB when using Example 2.
24bit Audio Data
24bit Audio Data
Digital Ground
Digital Ground
load.
Master Clock
Master Clock
Mode
Setting
Mode
Setting
64fs
64fs
fs
fs
Analog Ground
Analog Ground
Figure 10. Typical Connection Diagram (Example 2)
Figure 9. Typical Connection Diagram (Example 1)
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
MCLK
BICK
SDTI
LRCK
RSTN
CSN
CCLK
CDTI
MCLK
BICK
SDTI
LRCK
RSTN
CSN
CCLK
CDTI
SYSTEM DESIGN
AK4387
AK4387
- 18 -
AOUTR
AOUTR
AOUTL
AOUTL
VCOM
VCOM
DVDD
AVDD
DVDD
AVDD
VSS
DZF
VSS
DZF
NC
NC
16
15
14
13
12
11
10
16
15
14
13
12
11
10
9
9
0.1u
10u
10u
0.1u
0.1u
10
+
+
+
+
10u
10u
Optional External
Mute Circuits
Optional External
Mute Circuits
Lch Out
Rch Out
Lch Out
Rch Out
Analog
Supply 5V
Analog
Supply 5V
[AK4387]
2005/09