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参数资料
| 型号： | CDB4384 |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 20/52页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR CS4384 DAC |
| 标准包装： | 1 |
| DAC 的数量： | 8 |
| 位数： | 24 |
| 采样率（每秒）： | 192k |
| 数据接口： | 串行 |
| DAC 型： | 电压 |
| 工作温度： | -40°C ~ 85°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | CS4384 |
| 产品目录页面： | 757 (CN2011-ZH PDF) |
| 相关产品： | CS4384-CQZR-ND - IC DAC 8CH 103DB 192KHZ 48-LQFP 598-1062-ND - IC DAC 8CH 103DB 192KHZ 48LQFP |
| 其它名称： | 598-1525 |
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DS620F1
27
CS4384
Figure 22. DSD Phase Modulation Mode Diagram
4.9
Grounding and Power Supply Arrangements
As with any high resolution converter, the CS4384 requires careful attention to power supply and grounding
arrangements if its potential performance is to be realized. The Typical Connection Diagram shows the rec-
ommended power arrangements, with VA, VD, VLC, and VLS connected to clean supplies. If the ground
planes are split between digital ground and analog ground, the GND pins of the CS4384 should be connect-
ed to the analog ground plane.
All signals, especially clocks, should be kept away from the FILT+ and VQ pins in order to avoid unwanted
coupling into the DAC.
4.9.1
Capacitor Placement
Decoupling capacitors should be placed as close to the DAC as possible, with the low value ceramic ca-
pacitor being the closest. To further minimize impedance, these capacitors should be located on the same
layer as the DAC. If desired, all supply pins with similar voltage ratings may be connected to the same
supply, but a decoupling capacitor should still be placed on each supply pin.
Note:
All decoupling capacitors should be referenced to analog ground.
The CDB4384 evaluation board demonstrates the optimum layout and power supply arrangements.
4.10
Analog Output and Filtering
The CS4384 does not include phase or amplitude compensation for an external filter. Therefore, the DAC
system phase and amplitude response will be dependent on the external analog circuitry.
Figure 23 shows how the full-scale analog output level specification is derived.
Figure 24 shows how the recommended output filtering with location for optional mute circuit.
BCKA
(128Fs)
BCKD
(64Fs)
DSD_SCLK
DSDAx,
DSDBx
D1
D0
D2
D0
DSD_SCLK
DSDAx,
DSDBx
BCKA
(64Fs)
DSD_SCLK
DSD Phase
Modulation Mode
DSD Normal Mode
Not Used
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CDB4385 | 功能描述:音频 IC 开发工具 Eval Bd 8-Ch DAC w/DSD RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| CDB4390 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:24-Bit, Stereo D/A Converter for Digital Audio |
| CDB4391 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:24-Bit, 192 kHz Stereo DAC with Volume Control |
| CDB4391A | 功能描述:音频 IC 开发工具 Eval Bd CS4391A RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| CDB4392 | 功能描述:音频 IC 开发工具 Eval Bd 114dB 192kHz DAC w/DSD RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
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