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CSPEMI202AG
2-Channel Headset Microphone CSP EMI Filters with ESD Protection
CSPEMI202AG
2 Channel Headset
Microphone EMI Filter with
ESD Protection
Product Description
The CSPEMI202AG is a dual lowïpass filter array integrating two
piïstyle filters (CïRïC) that reduce EMI/RFI emissions while at the
same time providing ESD protection. This part is customïdesigned to
interface with a microphone port on a cellular telephone or similar
device. Each high quality filter provides more than 35 dB attenuation
in the 800ï2700 MHz range. These piïstyle filters support
bidirectional filtering, controlling EMI both to and from a microphone
element. They also support bipolar signals, enabling audio signals to
pass through without distortion.
In addition, the CSPEMI202AG provides a very high level of
protection for sensitive electronic components that may be subjected
to electrostatic discharge (ESD). The diodes safely dissipate ESD
strikes of ±8 kV, the maximum requirement of the IEC 61000ï4ï2
international standard. Using the MILïSTDï883 (Method 3015)
specification for Human Body Model (HBM) ESD, the device
provides protection for contact discharges to greater than ±15 kV.
The CSPEMI202AG is particularly wellïsuited for portable
electronics (e.g. cellular telephones, PDAs, notebook computers)
because of its small package format and low weight. The
CSPEMI202AG is available in a spaceïsaving, lowïprofile Chip
Scale Package with RoHS compliant leadïfree finishing.
Features Two Channels of EMI Filtering PiïStyle EMI Filters in a CapacitorïResistorïCapacitor (CïRïC)
Network Greater than 40 dB Attenuation at 1 GHz ±8 kV ESD Protection on each Channel
(IEC 61000ï4ï2 Level 4, Contact Discharge) ±15 kV ESD Protection on each Channel (HBM) Supports Bipolar Signals ï Ideal for Audio Applications Chip Scale Package Features Extremely Low Lead Inductance for
Optimum Filter and ESD Performance 5ïBump, 0.930 x 1.410 mm Footprint Chip Scale Package (CSP) These Devices are PbïFree and are RoHS Compliant
Applications EMI Filtering and ESD Protection for Headset Microphone Ports Wireless Handsets Handheld PCs / PDAs MP3 Players Digital Camcorders Notebooks
MARKING DIAGRAM
Device Package Shipping
ORDERING INFORMATION
http://
CSPEMI202AG CSPï5
(PbïFree)
3500/Tape & Reel
WLCSP5
AG SUFFIX
CASE 567AZ
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. = CSPEMI202AG
47 pF 47 pF
47 pF 47 pF
ELECTRICAL SCHEMATIC
68 A3
