參數(shù)資料
型號: AK4387ET
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 106dB 192kHz 24-Bit 2ch ツヒ DAC
中文描述: 一零六分貝192kHz的24位2通道ツヒ數(shù)模轉(zhuǎn)換器
文件頁數(shù): 18/21頁
文件大?。?/td> 257K
代理商: AK4387ET
ASAHI KASEI
[AK4387]
MS0429-E-00
2005/09
- 18 -
SYSTEM DESIGN
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.
MCLK
1
BICK
2
SDTI
3
LRCK
4
RSTN
5
CSN
6
CCLK
7
CDTI
8
DZF
16
DVDD
15
AVDD
14
VSS
13
VCOM
12
AOUTL
11
AOUTR
10
NC
9
Master Clock
Mode
Setting
AK4387
fs
24bit Audio Data
Reset & Power down
64fs
10u
0.1u
+
Rch Out
Lch Out
Analog Ground
Digital Ground
Analog
Supply 5V
+
10u
Optional External
Mute Circuits
0.1u
10
Figure 9. Typical Connection Diagram (Example 1)
MCLK
1
BICK
2
SDTI
3
LRCK
4
RSTN
5
CSN
6
CCLK
7
CDTI
8
DZF
16
DVDD
15
AVDD
14
VSS
13
VCOM
12
AOUTL
11
AOUTR
10
NC
9
Master Clock
Mode
Setting
AK4387
fs
24bit Audio Data
Reset & Power down
64fs
10u
0.1u
+
Rch Out
Lch Out
Analog Ground
Digital Ground
Analog
Supply 5V
+
10u
Optional External
Mute Circuits
Figure 10. Typical Connection Diagram (Example 2)
Notes:
- LRCK = fs, BICK = 64fs.
- When AOUT drives some capacitive load, some resistor should be added in series between AOUT and capacitive
load.
- All input pins should not be left floating.
- THD+N value at 192kHz decreases by around 3dB when using Example 2.
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