전자부품 데이터시트 검색엔진 |
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CS7250B 데이터시트(PDF) 9 Page - Cirrus Logic |
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CS7250B 데이터시트(HTML) 9 Page - Cirrus Logic |
9 / 11 page DS1072PP1 9 CS7250B 5 Applications Information 5 Applications Information Cirrus Logic provides a range of audio codecs incorporating a digital microphone input interface; these support direct connection to digital microphones such as the CS7250B. Further information on Cirrus Logic audio codecs is provided in the respective product data sheet, which is available from the Cirrus Logic website 5.1 Important Assembly Guidelines • Do not put a vacuum over the port hole of the microphone. Placing a vacuum over the port hole can damage the device. • Do not board wash the microphone after a reflow process. Board washing and the associated cleaning agents can damage the device. • Do not expose to ultrasonic cleaning methods. • Do not use a vapor phase reflow process. The vapor can damage the device. • Please refer to application note WAN0273 MEMS Mic Assembly and Handling Guidelines for further assembly and handling guidelines. 5.2 PCB Land Pattern and Paste Stencil The recommended PCB land pattern and paste stencil pattern for the CS7250B microphone are shown in Fig. 5-1 and Fig. 5-2 respectively. See also application note WAN0284 General Design Considerations for MEMS Microphones for further details of PCB footprint design. Full definition of the package dimensions is provided in Section 6. The recommended PCB land pattern is shown in Fig. 5-1. Figure 5-1. PCB Land Pattern, Top View |
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