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CM1412-03CP PDF预览

CM1412-03CP

更新时间: 2024-10-03 04:12:15
品牌 Logo 应用领域
CALMIRCO 数据线路滤波器过滤器LTE
页数 文件大小 规格书
6页 281K
描述
2 Channel Headset Microphone EMI Filter with ESD Protection

CM1412-03CP 技术参数

是否Rohs认证: 符合生命周期:Transferred
Reach Compliance Code:unknown风险等级:5.78
滤波器类型:DATA LINE FILTER安装类型:SURFACE MOUNT
端子数量:5最高工作温度:85 °C
最低工作温度:-40 °C包装材料:PLASTIC
子类别:Data Line FiltersBase Number Matches:1

CM1412-03CP 数据手册

 浏览型号CM1412-03CP的Datasheet PDF文件第2页浏览型号CM1412-03CP的Datasheet PDF文件第3页浏览型号CM1412-03CP的Datasheet PDF文件第4页浏览型号CM1412-03CP的Datasheet PDF文件第5页浏览型号CM1412-03CP的Datasheet PDF文件第6页 
CM1412  
2 Channel Headset Microphone EMI Filter with ESD Protection  
Features  
Product Description  
Functionally and pin compatible with CMD’s  
CSPEMI202A  
OptiGuardcoated 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  
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 fil-  
ters 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.  
In addition, the CM1412 provides a very high level of  
protection for sensitive electronic components that may  
be subjected to electrostatic discharge (ESD). The  
input pins safely dissipate ESD strikes of +8kV, the  
maximum requirement of the IEC 61000-4-2 interna-  
tional standard. Using the MIL-STD-883 (Method 3015)  
specification for Human Body Model (HBM) ESD, the  
device provides protection for contact discharges to  
greater than +15kV.  
5-bump, 0.930mm X 1.410mm footprint  
Chip Scale Package (CSP)  
Lead-free version available  
Applications  
EMI filtering and ESD protection for headset  
microphone ports  
Wireless Handsets  
Handheld PCs / PDAs  
MP3 Players  
Digital Camcorders  
Notebooks  
Desktop PCs  
The CM1412 is particularly well suited for portable  
electronics (e.g., cellular telephones, PDAs, notebook  
computers) because of its small package format and  
low weight. The CM1412 incorporates OptiGuard™  
coating which results in improved reliability at assem-  
bly and is available in a space-saving, low-profile Chip  
Scale Package with optional lead-free finishing.  
Electrical Schematic  
68  
Ω
Ω
C1  
A1  
MIC_IN1  
MIC_OUT1  
47pF  
47pF  
47pF  
68  
C3  
A3  
MIC_IN2  
MIC_OUT2  
47pF  
B2  
GND  
© 2005 California Micro Devices Corp. All rights reserved.  
11/03/05 490 N. McCarthy Blvd., Milpitas, CA 95035-5112  
Tel: 408.263.3214  
Fax: 408.263.7846  
www.calmicro.com  
1

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