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| 型号： | CM1683-02DE |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | 2 CH. EMI FILTER W/ESD UDFN |
| 产品变化通告： | Product Obsolescence 04/Nov/2010 |
| 标准包装： | 3,000 |
| 系列： | Praetorian® |
| 类型： | 低通 |
| 技术： | LC（Pi） |
| 通道数： | 2 |
| 中心 / 截止频率： | 31MHz（截止值） |
| 衰减值： | 40dB @ 1GHz |
| 电阻 - 通道 (Ohms)： | 0.75 |
| 电流： | 30mA |
| 值： | L = 3nH，C = 100pF |
| ESD 保护： | 是 |
| 滤波器阶数： | 3rd |
| 应用： | 移动设备的数据线路 |
| 封装/外壳： | 8-UDFN 裸露焊盘 |
| 尺寸/尺寸： | 0.079" L x 0.079" W（2.00mm x 2.00mm） |
| 高度： | 0.026"（0.65mm） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
CM1683
Praetorian ) L-C EMI Filter
with ESD Protection for
Headsets/Speakers
Product Description
The CM1683 is an L ? C EMI filter array with ESD protection, which
integrates two Pi ? filters (C ? L ? C) for the headset speaker. The
CM1683 has component values of 100 pF ? 3 nH ? 100 pF. The parts
include ESD protection diodes on all input/output pins, which provide
a very high level of protection for sensitive electronic components that
may be subjected to electrostatic discharge (ESD). The ESD diodes
connected to the filter ports safely dissipate ESD strikes of ± 8 kV,
beyond the maximum requirement of the IEC61000 ? 4 ? 2 international
standard. Using the MIL ? STD ? 883 (Method 3015) specification for
http://onsemi.com
CUDFN8
DE SUFFIX
CASE 505AF
100 pF
100 pF
Human Body Model (HBM) ESD, the pins are protected for contact
discharges at greater than ± 15 kV.
This device is particularly well suited for portable electronics (e.g.
mobile handsets, PDAs, notebook computers) because of its small
package format and easy ? to ? use pin assignments. In particular, the
CM1683 is ideal for EMI filtering and protecting speaker output lines
1
ELECTRICAL SCHEMATIC
3 nH
L
8
100 pF
from ESD for the headset speaker in mobile handsets. Most speakers
have impedance of 8 W and in order to maximize the power output, the
resistance of an EMI filter needs to be as low as possible and the
CM1683 addresses this by having a C ? L ? C based EMI filter where the
inductor has less than 1 W of resistance.
4
C
3 nH
L
C
100 pF
5
Features
? Two Channels of EMI Filtering
? ± 8 kV ESD Protection (IEC 61000 ? 4 ? 2, Contact Discharge)
? ± 15 kV ESD Protection (HBM)
? Greater than ? 40 dB of Attenuation at 1 GHz
? 8 ? Lead, 2.00 mm x 2.00 mm, 0.5 mm Pitch CUDFN Package
? These Devices are Pb ? Free and are RoHS Compliant
Applications
? Headset Speaker Port in Mobile Handsets
? I/O Port Protection for Mobile Handsets, Notebook Computers,
PDAs, etc.
? EMI Filtering for Data Ports in Cell Phones, PDAs or Notebook
Computers
C C
MARKING DIAGRAM
P83
P83 = CM1683 ? 02DE
ORDERING INFORMATION
Device Package Shipping ?
CM1683 ? 02DE
CUDFN ? 8
3000/Tape & Reel
(Pb ? Free)
?For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
? Semiconductor Components Industries, LLC, 2011
April, 2011 ? Rev. 3
1
Publication Order Number:
CM1683/D
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