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CM1681 Datasheet, PDF (1/4 Pages) ON Semiconductor – 2 Channel EMI Filter with ESD Protection
CM1681
2 Channel EMI Filter with
ESD Protection for
Headsets/Speakers
Features
• Two Channels of EMI Filtering
• Pi−Style EMI Filters in a Capacitor−Resistor−Capacitor (C−R−C)
Network
• ±8 kV ESD Protection (IEC 61000−4−2, Contact Discharge)
• ±15 kV ESD Protection (HBM)
• Supports AC Signals − Ideal for Audio Applications
• Greater than 40 dB of Attenuation at 1 GHz
• 8−Lead, 2.00 mm x 2.00 mm Footprint CUDFN Package
• Low Profile Height of 0.5 mm
• 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
ELECTRICAL SCHEMATIC
http://onsemi.com
CUDFN8
DE SUFFIX
CASE 505AF
MARKING DIAGRAM
P81
P81 = CM1681−02DE
ORDERING INFORMATION
Device
Package
Shipping†
CM1681−02DE 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.
1
Filter #1
4
Filter #2
10 W
100 pF R
C
10 W
100 pF
C
100 pF R
C
100 pF
C
8
Filter #1
5
Filter #2
© Semiconductor Components Industries, LLC, 2011
1
April, 2011 − Rev. 3
Publication Order Number:
CM1681/D