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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.
CM1681 Datasheet
