參數(shù)資料
型號： AKD4358
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:22; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:12; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:12-35 RoHS Compliant: No
中文描述： 192千赫24位8路DAC，具有DSD輸入
文件頁數(shù)： 32/35頁
文件大?。?/td> 457K
代理商： AKD4358
ASAHI KASEI
[AK4358]
MS0203-E-00
2003/02
- 32 -
Analog Ground
Digital Ground
System
Controller
SDTI4
D
13
SDTI1
1
14
SDTI2
15
SDTI3
16
LRCK
17
I2C
18
CCLK/SCL
19
CDTI/SDA
20
CSN/CAD1
21
DCLK
22
DSDL4
23
D
2
48
L
AK4358
2
2
2
2
3
3
3
3
3
3
D
D
D
D
D
D
R
R
V
A
47
ROUT1-
46
LOUT2+
45
LOUT2-
44
ROUT2+
43
ROUT2-
42
LOUT3+
41
LOUT3-
40
ROUT3+
39
ROUT3-
38
LOUT4+
M
B
9
P
8
C
7
C
6
D
5
D
4
D
3
L
2
1
D
DSDR4
24
3
A
37
LOUT4-
Figure 26. Ground Layout
AVSS and DVSS must be connected to the same analog ground plane.
1. Grounding and Power Supply Decoupling
AVDD and DVDD are usually supplied from analog supply in system and should be separated from system digital
supply. Alternatively if AVDD and DVDD are supplied separately, the power up sequence is not critical.
AVSS and
DVSS of the AK4358 must be connected to analog ground plane
. System analog ground and digital ground should be
connected together near to where the supplies are brought onto the printed circuit board. Decoupling capacitor, especially
0.1
μ
F ceramic capacitor for high frequency should be placed as near to AVDD and DVDD as possible.
2. Voltage Reference
VREFH sets the analog output range. VREFH pin is normally connected to AVDD with a 0.1
μ
F ceramic capacitor. All
signals, especially clocks, should be kept away from the VREFH pin in order to avoid unwanted coupling into the
AK4358.
3. Analog Outputs
The analog outputs are full-differential outputs and 0.5 x VREFH Vpp (typ) centered around the internal common voltage
(about AVDD/2). The differential outputs are summed externally, V
AOUT
=(AOUT+)-(AOUT-) between AOUT+ and
AOUT-. If the summing gain is 1, the output range is 5.0Vpp (typ @VREFH=5V). The bias voltage of the external
summing circuit is supplied externally. The input data format is 2’s complement. The output voltage(V
AOUT
) is a positive
full scale for 7FFFFF (@24bit) and a negative full scale for 800000H (@24bit). The ideal V
AOUT
is 0V for 000000H
(@24bit).
The internal switched-capacitor filter and external low pass filter attenuate the noise generated by the delta-sigma
modulator beyond the audio passband. DC offset on AOUT+/- is eliminated without AC coupling since the analog
outputs are differential.
相關(guān)PDF資料
PDF描述
AK4358VQ 192 KHZ 24 BIT 8 CH DAC WITH DSD INPUT
AK4359 192 KHZ 24 BIT 8CH DAC
AKD4359 Circular Connector; No. of Contacts:22; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:12; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:12-35 RoHS Compliant: No
AK4359VF 192 KHZ 24 BIT 8CH DAC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AKD4358-B 制造商:AKM 制造商全稱:AKM 功能描述:digital audio interface that can interface with digital audio systems via opt-connector or RCA connector
AKD4359 制造商:AKM 制造商全稱:AKM 功能描述:106dB 192kHz 24-Bit 8ch DAC
AKD4359A 制造商:AKM 制造商全稱:AKM 功能描述:106dB 192kHz 24-Bit 8ch DAC
AKD4359-SC 制造商:AKM 制造商全稱:AKM 功能描述:the 24bit 8ch D/A converter.
AKD4363 制造商:AKM 制造商全稱:AKM 功能描述:96kHz 24Bit DAC with PLL
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