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CXD3018Q/R 参数 Datasheet PDF下载

CXD3018Q/R图片预览
型号: CXD3018Q/R
PDF下载: 下载PDF文件 查看货源
内容描述: CD数字信号处理器,内置DigitalServo和DAC [CD Digital Signal Processor with Built-in DigitalServo and DAC ]
分类和应用: 数字信号处理器
文件页数/大小: 134 页 / 942 K
品牌: ETC [ ETC ]
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CXD3018Q/R  
§4-12. LPF Block  
The CXD3018Q/R contains an initial-stage secondary active LPF with numerous resistors and capacitors and  
an operational amplifier with reference voltage.  
The resistors and capacitors are attached externally, allowing the cut-off frequency fc to be determined flexibly.  
The reference voltage (VC) is (AVDD AVSS) × 0.45.  
The LPF block application circuit is shown below.  
In this circuit, the cut-off frequency is fc 40kHz.  
LPF Block Application Circuit  
27k  
27k  
AOUT1 (2)  
AIN1 (2)  
C2  
330pF  
Vc  
C1  
68pF  
27k  
100  
Analog out  
LOUT1 (2)  
Fig. 4-14. LPF External Circuit  
82 –  
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