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CM1412

2 Channel Headset Microphone EMI Filter with ESD Protection

制造商

CMD

CALMIRCO-CM1412.pdf

2021-01-17 20:42:15 更新 252.00KB

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描述

Product Description
The CM1412 is a dual low-pass filter array integrating two pi-style filters (C-R-C) that reduce EMI/RFI emis sions while at the same time providing ESD protection. This part is custom-designed to interface with a micro phone port on a cellular telephone or similar device. Each high quality filter provides more than 35dB atten uation in the 800-2700 MHz range. These pi-style filters support bidirectional filtering, controlling EMI both to and from a microphone element. They also support AC signals, enabling audio signals to pass through without distortion.

特性

• Functionally and pin compatible with CMD’s CSPEMI202A
• OptiGuard™ coated for improved reliability at assembly
• Two channels of EMI filtering
• Pi-style EMI filters in a capacitor-resistor-capacitor (C-R-C) network
• Greater than 40dB attenuation at 1GHz
• +8kV ESD protection on each channel (IEC 61000-4-2 Level 4, contact discharge)
• +15kV ESD protection on each channel (HBM)
• Supports AC signals—ideal for audio applications
• Chip Scale Package features extremely low lead inductance for optimum filter and ESD performance
• 5-bump, 0.930mm X 1.410mm footprint Chip Scale Package (CSP)
• Lead-free version availableApplications
• EMI filtering and ESD protection for headset microphone ports
• Wireless Handsets
• Handheld PCs / PDAs
• MP3 Players
• Digital Camcorders
• Notebooks
• Desktop PCs 

应用

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CM1412相关型号

—— 替代型号 ——

CM1412

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