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PDF CM1442 Data sheet ( Hoja de datos )
| Número de pieza | CM1442 | |
| Descripción | LCD and Camera EMI Filter Array | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CM1442 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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LCD and Camera EMI Filter Arraywww.DataSheet4U.com
with ESD Protection
CM1442
Features
• Six and eight channels of EMI filtering with
integrated ESD protection
• 0.4mm pitch, 15-bump, 2.360mm x 1.053mm
footprint Chip Scale Package (CM1442-06)
• 0.4mm pitch, 20-bump, 3.160mm x 1.053mm
footprint Chip Scale Package (CM1442-08)
• Pi-style EMI filters in a capacitor-resistor-
capacitor (C-R-C) network
• ±15kV ESD protection on each channel
(IEC 61000-4-2 Level 4, contact discharge)
• ±30kV ESD protection on each channel (HBM)
• Greater than 30dB attenuation (typical) at 1 GHz
• Chip Scale Package features extremely low
lead inductance for optimum filter and ESD
performance
• OptiGuard™ coated for improved reliability at
assembly
• Lead-free version available
Applications
• LCD and Camera data lines 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.
• Wireless handsets
• Handheld PCs/PDAs
• LCD and camera modules
Product Description
The CM1442 is a family of pi-style EMI filter arrays
with ESD protection, which integrates six and eight
filters (C-R-C) in Chip Scale Package form factor with
0.40mm pitch. The CM1442 has component values of
15pF-100Ω-15pF per channel. The CM1442 has a
cut-off frequency of 120MHz and can be used in
applications where the data rates are as high as
48Mbps. The parts include avalanche-type ESD
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 protection diodes safely dissipate ESD
strikes of ±15kV, well beyond the maximum
requirement of the IEC61000-4-2 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 ±30kV.
This device is particularly well suited for portable
electronics (e.g. wireless handsets, PDAs, notebook
computers) because of its small package format and
easy-to-use pin assignments. In particular, the
CM1442 is ideal for EMI filtering and protecting data
and control lines for the I/O data ports, LCD display
and camera interface in mobile handsets.
The CM1442 incorporates OptiGuard™ which results
in improved reliability at assembly. The CM1442 is
available in a space-saving, low-profile Chip Scale
Package with optional lead-free finishing. It is
manufactured with a 0.40mm pitch and 0.25mm CSP
solder ball to provide up to 28% board space saving
versus competing CSP devices with 0.50mm pitch
and 0.30mm CSP solder ball.
©2010 SCILLC. All rights reserved.
April 2010 Rev. 2
Publication Order Number:
CM1442/D
1 page  
CM1442
Performance Information
Typical Filter Performance (TA=25°C, DC Bias=0V, 50 Ohm Environment)
www.DataSheet4U.com
Figure 1. Insertion Loss vs. Frequency (A1-C1 to GND B1)
Figure 2. Insertion Loss vs. Frequency (A2-C2 to GND B1)
Rev. 2 | Page 5 of 15 | www.onsemi.com
5 Page 
CM1442
www.DataSheet4U.com
Mechanical Details
CSP Mechanical Specifications
CM1442 devices are supplied in custom Chip Scale Packages (CSP). Dimensions are presented below. For
complete information on CSP packaging, see the California Micro Devices CSP Package Information
document.
CM1442-06 Mechanical Specifications
The package dimensions for the CM1442-06 are presented below.
PACKAGE DIMENSIONS
Package
Bumps
Custom CSP
15
Millimeters
Dim
Inches
Min Nom Max Min Nom Max
A1 2.315 2.360 2.405 0.911 0.0929 0.0947
A2 1.008 1.053 1.098 0.0397 0.0415 0.0432
B1 0.395 0.4000 0.405 0.0156 0.0157 0.0159
B2 0.195 0.2000 0.205 0.0076 0.0078 0.0080
B3 0.3415 0.3465 0.3515 0.0134 0.0136 0.0138
B4 0.3415 0.3465 0.3515 0.0134 0.0136 0.0138
C1 0.130 0.1800 0.230 0.0051 0.0071 0.0091
C2 0.130 0.1800 0.230 0.0051 0.0071 0.0091
D1 0.575 0.644 0.714 0.0226 0.0254 0.0281
D2 0.368 0.419 0.470 0.0145 0.0165 0.0185
# per tape and
reel
3500 pieces
Controlling dimension: millimeters
Package Dimensions for
CM1442-06 Chip Scale Package
Rev. 2 | Page 11 of 15 | www.onsemi.com
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet CM1442.PDF ] | |
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