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PDF CM1421 Data sheet ( Hoja de datos )
| Número de pieza | CM1421 | |
| Descripción | 4-Channel LCD EMI Filter Array and ESD Protection Array | |
| Fabricantes | ON Semiconductor | |
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CM1421
4-Channel LCD EMI Filter
Array and ESD Protection
Array
Product Description
The CM1421 is a multichannel array consisting of four low−pass
filters with integrated ESD protection and four ESD−only protection
channels designed to reduce EMI/RFI emissions on LCD data lines in
mobile handsets. The CM1421 has component values of 15 pF −
100 W − 15 pF. These devices include ESD protection diodes on every
pin, 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 ±15 kV, 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
pins are protected for contact discharges at greater than ±30 kV.
This device is particularly well−suited for portable electronics (e.g.
wireless handsets, PDAs, notebook computers) because of its small
package and easy−to−use pin assignments. In particular, the CM1421
is ideal for EMI filtering and protecting data lines from ESD for the
LCD display in clamshell handsets.
The CM1421 incorporates OptiGuardt coating which results in
improved reliability. The CM1421 is available in space−saving,
low−profile chip scale packages with RoHS−compliant lead−free
finishing.
Features
• Functionally and Pin−Compatible with CSPEMI607 Device
• Four Channels of Combined EMI/RFI Filtering + ESD Protection
• Four Additional Channels of ESD−Only Protection
• Better Than 30 dB Attenuation (Typical) at 1 GHz
• ±15 kV ESD Protection on All Channels
(IEC 61000−4−2 Level 4, Contact Discharge)
• ±30 kV ESD Protection on All Channels (HBM)
• Chip Scale Package Features Extremely Low Lead Inductance for
Optimum Filter and ESD Performance
• 15−Bump, 2.960 mm X 1.330 mm Footprint
• OptiGuardt Coated for Improved Reliability
• These Devices are Pb−Free and are RoHS Compliant
Applications
• LCD Data Lines in Mobile Handsets
• EMI Filtering and ESD Protection for Both Data and I/O Ports
• Mobile Handsets
• Handheld PCs / PDAs
• Notebook Computers
http://onsemi.com
WLCSP15
CP SUFFIX
CASE 567BS
MARKING DIAGRAM
N213 MG
G
N213 = CM1421−03CP
M = Date Code
G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
Package
Shipping†
CM1421−03CP CSP−15 3500/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
March, 2011 − Rev. 3
1
Publication Order Number:
CM1421/D
1 page  
CM1421
PERFORMANCE INFORMATION (Cont’d)
Typical Filter Performance (TA = 255C, DC Bias = 0 V, 50 W Environment)
Figure 3. Insertion Loss vs. Frequency (A3−C3 to GND B2)
Figure 4. Insertion Loss vs. Frequency (A4−C4 to GND B2)
http://onsemi.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet CM1421.PDF ] | |
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