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Dual Channel EMI Filter with ESD Protection CM1484
Features
* * * * * * * Two channels of EMI filtering with integrated ESD protection Pi-style EMI filters in a capacitor-resistorcapacitor (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 20dB attenuation (typical) at 1 GHz 5-lead SC70 package Lead-free version available
Product Description
The CM1484 is a two channel pi-style EMI filter array with ESD protection, housed in a 5-lead SC70 package. The CM1484 has component values of 11pF-100W-11pF per channel. The CM1484 has a cut-off frequency of 220MHz and can be used in applications with data rates up to 80Mbps. The parts include 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 IEC610004-2 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. These devices are particularly well-suited for portable electronics (e.g. wireless handsets, PDAs, notebook computers) because of their small package and easy-to-use pin assignments. In particular, the CM1484 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 CM1484 is housed in a small, 5-lead SC70 package and is available with 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
(c)2010 SCILLC. All rights reserved. May 2010 - Rev. 0
Publication Order Number: CM1484/D
CM1484
PIN DESCRIPTIONS
NAME 1 2 3 4 5 FILTER1 GND FILTER2 FILTER2 FILTER1 DESCRIPTION Filter + ESD Channel 1 Ground Filter + ESD Channel 2 Filter + ESD Channel 2 Filter + ESD Channel 1
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CM1484
Ordering Information
PART NUMBERING INFORMATION
Lead-free Finish Pins 5 Package SC70 Ordering Part Number1 CM1484 -02S7 Part Marking N84R
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER Storage Temperature Range DC Power per Resistor DC Package Power Rating RATING -65 to +150 100 500 UNITS C mW mW
STANDARD OPERATING CONDITIONS
PARAMETER Operating Temperature Range RATING -40 to +85 UNITS C
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CM1484
ELECTRICAL OPERATING CHARACTERISTICS (SEE NOTE1)
SYMBOL R CTOTAL C PARAMETER Resistance Total Channel Capacitance At 0VDC Reverse Bias, 1MHz, 30mVAC At 0VDC Reverse Bias, 1MHz, 30mVAC VDIODE=+3.0V CONDITIONS MIN 90 17.6 TYP 100 22 MAX 110 26.4 UNITS pF
Capacitance C1
8.8
11
13.2
pF A
ILEAK VZ
Diode Leakage Current (reverse bias) Zener Breakdown Voltage Positive Clamp Zener Forward Voltage In-system ESD Withstand Voltage a) Human Body Model, MIL-STD-883, Method 3015 b) Contact Discharge per IEC 61000-4-2 Level 4 Dynamic Resistance Positive Negative Cut-off Frequency ZSOURCE=50, ZLOAD=50
1.0
ILOAD = 1mA IF = 50mA Note 2
6.0
8.0 1.5
V V
VF VESD
30 15 2.3 0.9 Channel R = 100, Channel C = 22pF at 0V reverse bias
kV kV MHz
RDYN
f
C
220
Note 1: TA=25C unless otherwise specified. Note 2: ESD applied to input and output pins with respect to GND, one at a time.
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CM1484
Performance Information
Typical Filter Performance (TA=25C, DC Bias=0V, 50 Ohm Environment)
Figure 1. Insertion Loss vs. Frequency (FILTER1 Input to GND)
Figure 2. Insertion Loss vs. Frequency (FILTER2 Input to GND)
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CM1484
Mechanical Details
SC70-5 Mechanical Specifications: The CM1484-02S7 is supplied in a 5-pin SC70 package. Dimensions are presented below. For complete information on the SC70-5, see the California Micro Devices SC70 Package Information document.
PACKAGE DIMENSIONS
Package Pins Dimensions Min A A1 A2 B c D E e HE L # / tape and reel 2.00 0.26 3000 pieces 0.80 0.00 0.70 0.15 0.08 1.85 1.15 0.65 BSC 2.40 0.46 Max 1.10 0.10 1.00 0.30 0.25 2.25 1.35 SC70-5 (JEDEC name is MO-203 Issue A) 5 Millimeters
Package Dimensions for SC70-5
Controlling dimension: millimeters
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CM1484
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATIONORDERINGINFORMATION
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Rev. 0 | Page 7 of 7 | www.onsemi.com

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