CM1401-03
4-Channel ESD/EMI Filter Array plus
4-Channel ESD Array for USB
Features
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Functionally and pin compatible with CSPEMI307A
device
Optiguard
™
coated for improved reliability at
assembly
Four channels of combined EMI/RFI filtering +
ESD protection
Four additional channels of ESD-only protection
40dB absolute attenuation (typical) at 1 GHz
35dB attenuation (typical) at 1 GHz relative to pass
band
±15kV
ESD protection on all channels
(IEC 61000-4-2 Level 4, contact discharge)
±30kV
ESD protection on all channels (HBM)
15-bump, 2.960mm X 1.330mm footprint
Chip Scale Package (CSP)
Chip Scale Package features extremely low
lead inductance for optimum filter and ESD
performance
Lead-free version available
Product Description
The CM1401-03 is a multichannel array with four low-
pass filter + ESD channels and four ESD-only chan-
nels. They reduce EMI/RFI emissions on a data port
and protect against ESD on a USB port. Each EMI/RFI
channel integrates a high quality pi-style filter (C-R-C)
which provides greater than 30dB attenuation in the
800-2700 MHz range relative to the pass band attenu-
ation. These pi-style filters are bidirectional, controlling
EMI both to and from a data port connector.
The CM1401-03 provides a high-level of ESD protec-
tion on all eight channels for sensitive electronic com-
ponents that may be subjected to electrostatic
discharge (ESD). The input pins safely dissipate ESD
strikes of
±15kV,
exceeding the maximum requirement
of the IEC 61000-4-2 international standard. Using the
MIL-STD-883 (Method 3015) specification for Human
Body Model (HBM) ESD, the device provides protec-
tion for contact discharges to greater than
±30kV.
The CM1401-03 is particularly well suited for portable
electronics (e.g., cellular telephones, PDAs, notebook
computers) because of its small package footprint and
low weight.
The CM1401-03 incorporates
Optiguard
™
coating
which results in improved reliability at assembly and is
available in a space-saving, low-profile chip scale
package with optional lead-free finishing.
Applications
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EMI filtering and ESD protection for both data and
I/O ports
Outer 4 channels provide ESD protection for
USB lines and other I/O port applications
Wireless Handsets
Handheld PCs / PDAs
MP3 Players
Notebooks
Desktop PCs
Electrical Schematic
100Ω
FILTER+ESDn*
30pF
30pF
FILTER+ESDn*
ESDn*
30pF
GND
(Pins B1-B3)
1 of 4 EMI/RFI + ESD Channels.
* See Package/Pinout Diagram for expanded pin information
1 of 4 ESD-only Channels
© 2005 California Micro Devices Corp. All rights reserved.
10/04/05
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
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Tel: 408.263.3214
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Fax: 408.263.7846
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www.cmd.com
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CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
