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6-channel emi filter array with esd protection cm1440 ?2010 scillc. all rights reserved. publication order number: april 2010 rev. 3 cm1440/d 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-100 -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.
cm1440 rev. 3 | page 2 of 12 | www.onsemi.com electrical schematic 1 of 6 emi/rfi + esd channels pin descriptions pin(s) name description a1 filter1 filter channel 1 a2 filter2 filter channel 2 a3 filter3 filter channel 3 a4 filter4 filter channel 4 a5 filter5 filter channel 5 a6 filter6 filter channel 6 b1-b3 gnd device ground c1 filter1 filter channel 1 c2 filter2 filter channel 2 c3 filter3 filter channel 3 c4 filter4 filter channel 4 c5 filter5 filter channel 5 c6 filter6 filter channel 6
cm1440 rev. 3 | page 3 of 12 | www.onsemi.com ordering information part numbering information pins package ordering part number 1 part marking 15 csp CM1440-06CP n406 note 1: parts are shipped in tape & reel form unless otherwise specified. specifications absolute maximum ratings parameter rating units storage temperature range -65 to +150 c dc power per resistor 100 mw dc package power rating 500 mw standard operating conditions parameter rating units operating temperature range -40 to +85 c
cm1440 rev. 3 | page 4 of 12 | www.onsemi.com electrical operating characteristics (see note1) symbol parameter conditions min typ max units r resistance 80 100 120 c total total channel capacitance at 2.5vdc reverse bias, 1mhz, 30mvac 48 60 72 pf c capacitance c1 at 2.5vdc reverse bias, 1mhz, 30mvac 24 30 36 pf v diode standoff voltage i diode =10 a 6.0 v i leak diode leakage current (reverse bias) v diode = 3.3v 0.1 1 a v sig signal clamp voltage positive clamp negative clamp i load = 10ma 5.6 -1.5 6.8 -0.8 9.0 -0.4 v v v esd in-system esd withstand voltage a) human body model, mil-std-883, method 3015 b) contact discharge per iec 61000-4-2 level 4 note 2 30 30 kv kv r dyn dynamic resistance positive negative 2.3 0.9 f c cut-off frequency z source =50 , z load =50 r=100 , c=30pf 60 mhz note 1: t a =25 c unless otherwise specified. note 2: esd applied to input and output pins with respect to gnd, one at a time.
cm1440 rev. 3 | page 5 of 12 | www.onsemi.com performance information typical filter performance (t a =25c, dc bias=0v, 50 ohm environment) figure 1. insertion loss vs. frequency (a1-c1 to gnd b1) figure 2. insertion loss vs. frequency (a2-c2 to gnd b1)
cm1440 rev. 3 | page 6 of 12 | www.onsemi.com performance information (cont?d) typical filter performance (t a =25c, dc bias=0v, 50 ohm environment) figure 3. insertion loss vs. frequency (a3-c3 to gnd b2) figure 4. insertion loss vs. frequency (a4-c4 to gnd b2)
cm1440 rev. 3 | page 7 of 12 | www.onsemi.com performance information (cont?d) typical filter performance (t a =25c, dc bias=0v, 50 ohm environment) figure 5. insertion loss vs. frequency (a5-c5 to gnd b3) figure 6. insertion loss vs. frequency (a6-c6 to gnd b3)
cm1440 rev. 3 | page 8 of 12 | www.onsemi.com performance information (cont?d) typical diode capacita nce vs. input voltage figure 7. filter capacitance vs. input voltage (normalized to capacitance at 2.5vdc and 25c)
cm1440 rev. 3 | page 9 of 12 | www.onsemi.com application information parameter value pad size on pcb 0.240mm pad shape round pad definition non-solder mask defined pads solder mask opening 0.290mm round solder stencil thickness 0.125mm - 0.150mm solder stencil aperture opening (laser cut, 5% tapered walls) 0.300mm round solder flux ratio 50/50 by volume solder paste type no clean pad protective finish osp (entek cu plus 106a) tolerance ? edge to corner ball + 50 m solder ball side coplanarity + 20 m maximum dwell time above liquidous 60 seconds maximum soldering temperature for lead-free devices using a lead-free solder paste 260c so ld er mask openi ng 0.29 0mm dia. no n-s old er mask de fin ed pad 0.24 0mm dia. sol der stenci l openi ng 0.30 0mm dia. figure 5. recommended non-solder mask defined pad illustration figure 6. lead-free (snagcu) solder ball reflow profile
cm1440 rev. 3 | page 10 of 12 | www.onsemi.com mechanical details csp mechanical specifications cm1440 devices are supplied in a custom chip scal e package (csp). dimensions are presented below. for complete information on csp packaging, see the california micro devices csp package information document. package dimensions package custom csp bumps 15 millimeters inches dim min nom max min nom max a1 2.3150 2.3600 2.4050 0.911 0.0929 0.0947 a2 1.008 1.053 1.098 0.039 7 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 0.022 6 0.0254 0.0281 d2 0.368 0.419 0.470 0.014 5 0.0165 0.0185 # per tape and reel 3500 pieces controlling dimension: millimeters b3 0.25 dia. solder bumps 96.8/2.6/0.6 sn/ag/cu (lead-free) package dimensions for cm1440 chip scale package
cm1440 rev. 3 | page 11 of 12 | www.onsemi.com csp tape and reel specifications part number chip size (mm) pocket size (mm) b 0 x a 0 x k 0 tape width w reel diameter qty per reel p 0 p 1 cm1440 2.36 x 1.053x 0.644 2.62 x 1.12x 0.76 8mm 178mm (7") 3500 4mm 4mm +++ figure 10. tape and reel mechanical data
cm1440 rev. 3 | page 12 of 12 | www.onsemi.com on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to make changes witho ut further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any parti cular purpose, nor does scillc assume any liability arising out of the application or use of any pr oduct or circuit, and specific ally disclaims any and all liability, including without li mitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or spec ifications can and do vary in different applications and actu al performance may vary over time. all operating parameters, including ?typicals? must be validated for each custom er 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 de signed, intended, or authorized for use as components in systems intended for surg ical 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 reason able 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 literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303-675-2175 or 800-344-3860 toll free usa/canada fax : 303-675-2176 or 800-344-3867 toll free usa/canada email : orderlit@onsemi.com n. american technical support : 800-282-9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81-3-5773-3850 on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative

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