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PDF CM1440 Data sheet ( Hoja de datos )
| Número de pieza | CM1440 | |
| Descripción | 6-Channel EMI Filter Array | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CM1440 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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6-Channel EMI Filter Arraywww.DataSheet4U.com
with ESD Protection
CM1440
Features
• Six channels of EMI filtering for data ports
• Pi-style EMI filters in a capacitor-resistor-
capacitor (C-R-C) network
• ±30kV ESD protection on each channel
(IEC 61000-4-2 Level 4, contact discharge)
• ±30kV ESD protection on each channel (HBM)
• Greater than 35dB attenuation (typical) at 1 GHz
• 15-bump, 0.4mm pitch, 2.360mm x 1.053mm
footprint Chip Scale Package (CSP)
• Chip Scale Package features extremely low
lead inductance for optimum filter and ESD
performance
• OptiGuard™ coated for improved reliability at
assembly
• RoHS compliant (lead-free) finishing
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 CM1440 is a six channel low-pass EMI filter
array with ESD protection that reduces EMI/RFI
emissions while providing robust protection from ESD
strikes. Each EMI filter channel integrates a high
quality pi-style filter (30pF-100Ω-30pF) which
provides greater than 30dB of attenuation in the
800MHz to 2.7GHz frequency range. 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 connected to the filter ports safely
dissipate ESD strikes of ±30kV, 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 and easy-
to-use pin assignments. In particular, the CM1440 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 CM1440 incorporates OptiGuard™ which results
in improved reliability at assembly. The CM1440 is
available in a space saving, low profile Chip Scale
Package with RoHS compliant lead-free finishing. It is
manufactured with a 0.40mm pitch and 0.25mm CSP
solder ball to provide up to 28% board space savings
versus competing CSP devices with 0.50mm pitch
and 0.30mm CSP solder ball.
©2010 SCILLC. All rights reserved.
April 2010 Rev. 3
Publication Order Number:
CM1440/D
1 page  
CM1440
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. 3 | Page 5 of 12 | www.onsemi.com
5 Page 
CM1440
www.DataSheet4U.com
CSP Tape and Reel Specifications
PART NUMBER
CM1440
CHIP SIZE (mm)
2.36 X 1.053X
0.644
POCKET SIZE (mm)
B XA XK
000
2.62 X 1.12X 0.76
TAPE WIDTH
W
8mm
REEL
DIAMETER
178mm (7")
QTY PER
REEL
3500
P
0
4mm
P
1
4mm
+++
Figure 10. Tape and Reel Mechanical Data
Rev. 3 | Page 11 of 12 | www.onsemi.com
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet CM1440.PDF ] | |
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