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LCD and Camera EMI Filter Array with ESD Protection CM1431
Features
* * * * * * Four, six and eight 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 35dB attenuation (typical) at 1 GHz TDFN package with 0.40mm lead pitch: * 4-ch. = 8-lead TDFN * 6-ch. = 12-lead TDFN * 8-ch. = 16-lead TDFN Tiny TDFN package size: * 8-lead: 1.7mm x 1.35mm * 12-lead: 2.5mm x 1.35mm * 16-lead: 3.3mm x 1.35mm Increased robustness against vertical impacts during manufacturing process Lead-free finishing
Product Description
The CM1431 is a family of pi-style EMI filter arrays with ESD protection, which integrates four, six and eight filters (C-R-C) in small form factor TDFN 0.40mm pitch packages. The CM1431 has component values of 15pF-100-15pF per channel. The CM1431 has a cut-off frequency of 120MHz and can be used in applications with data rates up to 48Mbps. 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 IEC61000-4-2 international standard. Using the MILSTD-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 easyto-use pin assignments. In particular, the CM1431 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 CM1431 is housed in space-saving, low-profile 8-, 12- and 16-lead TDFN packages with a 0.40mm pitch and is available with lead-free finishing. This smaller size TDFN package provides up to 42% board space saving vs. the 0.50mm pitch TDFN packages.
*
* *
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. April 2010 Rev. 2
Publication Order Number: CM1431/D
CM1431
Electrical Schematic
1 of 4, 6 or 8 EMI/RFI + ESD Channels
8
765
Rev. 2 | Page 2 of 12 | www.onsemi.com
CM1431
PIN DESCRIPTIONS
DEVICE PIN(s) -04 1 2 3 4 -06 1 2 3 4 5 6 -08 1 2 3 4 5 6 7 8 GND PAD NAME FILTER1 FILTER2 FILTER3 FILTER4 FILTER5 FILTER6 FILTER7 FILTER8 GND DESCRIPTION Filter + ESD Channel 1 Filter + ESD Channel 2 Filter + ESD Channel 3 Filter + ESD Channel 4 Filter + ESD Channel 5 Filter + ESD Channel 6 Filter + ESD Channel 7 Filter + ESD Channel 8 Device Ground DEVICE PIN(s) -04 8 7 6 5 -06 12 11 10 9 8 7 -08 16 15 14 13 12 11 10 9 NAME FILTER1 FILTER2 FILTER3 FILTER4 FILTER5 FILTER6 FILTER7 FILTER8 DESCRIPTION Filter + ESD Channel 1 Filter + ESD Channel 2 Filter + ESD Channel 3 Filter + ESD Channel 4 Filter + ESD Channel 5 Filter + ESD Channel 6 Filter + ESD Channel 7 Filter + ESD Channel 8
Ordering Information
PART NUMBERING INFORMATION
Standard Finish Pins 8 12 16 Package TDFN-8 TDFN-12 TDFN-16 Ordering Part 1 Number CM1431-04DF CM1431-06DF CM1431-08DF Lead-free Finish Ordering Part 1 Number CM1431-04DE CM1431-06DE CM1431-08DE
Part Marking WF N31F N318F
Part Marking WE N31E N318E
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
Rev. 2 | Page 3 of 12 | www.onsemi.com
CM1431
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
Rev. 2 | Page 4 of 12 | www.onsemi.com
CM1431
ELECTRICAL OPERATING CHARACTERISTICS (SEE NOTE1)
SYMBOL R CTOTAL C PARAMETER Resistance Total Channel Capacitance At 2.5VDC Reverse Bias, 1MHz, 30mVAC At 2.5VDC Reverse Bias, 1MHz, 30mVAC IDIODE=10A VDIODE= 3.3V ILOAD = 10mA ILOAD = -10mA Note 2 30 15 kV kV 5.6 -1.5 CONDITIONS MIN 80 24 TYP 100 30 MAX 120 36 UNITS pF
Capacitance C
12
15
18
pF
VDIODE ILEAK VSIG
Standoff Voltage Diode Leakage Current (reverse bias) Signal Clamp Voltage Positive Clamp Negative Clamp In-system ESD Withstand Voltage a) Human Body Model, MIL-STD-883, Method 3015 b) Contact Discharge per IEC 61000-42 Level 4 Dynamic Resistance Positive Negative Cut-off Frequency ZSOURCE=50, ZLOAD=50 Absolute Attenuation @ 1GHz from 0dB Level
6.0 0.1 1.0
V A
6.8 -0.8
9.0 -0.4
V V
VESD
RDYN
2.3 0.9 Channel R = 100, Channel C = 15pF ZSOURCE = 50, Z LOAD = 50, DC Bias = 0V; Notes 1and 3 ZSOURCE = 50, Z LOAD = 50, DC Bias = 0V; Notes 1 and 3
MHz dB
f
C
110 35
A1GHz
A800MHz - 6GHz Absolute Attenuation @ 800MHz to
6GHz from 0dB Level
30
dB
Note 1: TA=25 unless otherwise specified. C Note 2: ESD applied to input and output pins with respect to GND, one at a time. Note 3: Attenuation / RF curves characterized by a network analyzer using microprobes.
Rev. 2 | Page 5 of 12 | www.onsemi.com
CM1431
Performance Information
Typical Filter Performance (TA=25 DC Bias=0V, 50 Ohm Environment) C,
Figure 1. Insertion Loss vs. Frequency (FILTER1 Input to GND)
Figure 2. Insertion Loss vs. Frequency (FILTER2 Input to GND)
Rev. 2 | Page 6 of 12 | www.onsemi.com
CM1431
Performance Information (cont'd)
Typical Filter Performance (TA=25 DC Bias=0V, 50 Ohm Environment) C,
Figure 3. Insertion Loss vs. Frequency (FILTER3 Input to GND)
Figure 4. Insertion Loss vs. Frequency (FILTER4 Input to GND)
Rev. 2 | Page 7 of 12 | www.onsemi.com
CM1431
Performance Information (cont'd)
Typical Diode Capacitance vs. Input Voltage
Figure 5. Filter Capacitance vs. Input Voltage (normalized to capacitance at 2.5VDC and 25 C)
Rev. 2 | Page 8 of 12 | www.onsemi.com
CM1431
Mechanical Details
CM1431-04DF/DE Mechanical Specifications Dimensions for the CM1431-04DF/DE supplied in a 8-lead, 0.4mm pitch TDFN package are presented below. For complete information on the TDFN-8, see the California Micro Devices TDFN Package Information document.
PACKAGE DIMENSIONS
Package JEDEC No. Leads Dim. Min A A1 A3 b D D2 E E2 e K L # per tape and reel 0.20 0.15 0.25 0.35 0.15 1.65 1.10 1.30 0.30 0.70 0.00 Millimeters Nom 0.75 0.02 0.20 REF 0.20 1.70 1.20 1.35 0.40 0.40 BSC 0.25 1.75 1.30 1.40 0.50 Max 0.80 0.05 Min 0.028 0.000 TDFN MO-229C
|
8 Inches Nom 0.030 0.001 Max 0.031 0.002
0.008 REF 0.006 0.065 0.043 0.051 0.012 0.008 0.067 0.047 0.053 0.016 0.010 0.069 0.051 0.055 0.020
0.016 BSC 0.008 0.006 0.010 0.014
3000 pieces
Dimensions for 8-Lead, 0.4mm pitch TDFN package
Controlling dimension: millimeters
|
This package is compliant with JEDEC standard MO-229C with the exception of the "D", "D2", "E", "E2", "K" and "L" dimensions as called out in the table above.
Rev. 2 | Page 9 of 12 | www.onsemi.com
CM1431
Mechanical Details (cont'd)
CM1431-06DF/DE Mechanical Specifications Dimensions for the CM1431-06DF/DE suplied in a 12-lead, 0.4mm pitch TDFN package are presented below. For complete information on the TDFN-12, see the California Micro Devices TDFN Package Information document.
PACKAGE DIMENSIONS
Package JEDEC No. Leads Dim. Min A A1 A3 b D D2 E E2 e K L # per tape and reel 0.20 0.15 0.25 0.35 0.15 2.45 1.90 1.30 0.25 0.70 0.00 Millimeters Nom 0.75 0.02 0.20 REF 0.20 2.50 2.00 1.35 0.35 0.40 BSC 0.25 2.55 2.10 1.40 0.45 Max 0.80 0.05 Min 0.028 0.000 TDFN MO-229C
|
12 Inches Nom 0.030 0.001 Max 0.031 0.002
0.008 REF 0.006 0.096 0.075 0.051 0.010 0.008 0.098 0.079 0.053 0.014 0.010 0.100 0.083 0.055 0.018
0.016 BSC 0.008 0.006 0.010 0.014
3000 pieces
Dimensions for 12-Lead, 0.4mm pitch TDFN package
Controlling dimension: millimeters
This package is compliant with JEDEC standard MO-229C with the exception of the "D", "D2", "E", "E2", "K" and "L" dimensions as called out in the table above.
|
Rev. 2 | Page 10 of 12 | www.onsemi.com
CM1431
Mechanical Details (cont'd)
CM1431-08DF/DE Mechanical Specifications Dimensions for the CM1431-08DF/DE supplied in a 16-lead, 0.4mm pitch TDFN package are presented below. For complete information on the TDFN-16, see the California Micro Devices TDFN Package Information document.
PACKAGE DIMENSIONS
Package JEDEC No. Leads Dim. Min A A1 A3 b D D2 E E2 e K L # per tape and reel 0.20 0.15 0.25 0.35 3.25 2.80 1.30 0.35 0.70 0.00 0.40 Millimeters Nom 0.75 0.02 0.55 0.20 REF 3.30 2.90 1.35 0.40 0.40 BSC 3.35 3.00 1.40 0.45 Max 0.80 0.05 0.70 Min 0.028 0.000 0.016 TDFN MO-229C
|
16 Inches Nom 0.030 0.001 0.022 Max 0.031 0.002 0.028
0.008 REF 0.128 0.110 0.051 0.014 0.130 0.114 0.053 0.016 0.132 0.118 0.055 0.018
0.016 BSC 0.008 0.006 0.010 0.014
3000 pieces
Dimensions for 16-Lead, 0.4mm pitch TDFN package
Controlling dimension: millimeters
This package is compliant with JEDEC standard MO-229C with the exception of the "D", "D2", "E", "E2", "K" and "L" dimensions as called out in the table above.
|
Rev. 2 | Page 11 of 12 | www.onsemi.com
CM1431
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.
PUBLICATION ORDERING INFORMATION
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Rev. 2 | Page 12 of 12 | www.onsemi.com

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