headset/speaker emi filter with esd protection cm1416 ?2010 scillc. all rights reserved. publication order number: april 2010 rev. 2 cm1416/d features ? functionally and pin compatible with the cspemi201a and cm1411 ? optiguard ? coated for improved reliability at assembly ? two channels of emi filtering for 8 speakers ? pi-style emi filters in a capacitor-resistor- capacitor (c-r-c) network ? greater than 30db attenuation at 1ghz ? 30kv esd protection on each channel per iec 61000-4-2 level 4, contact discharge ? extremely low lead inductance for optimum filter and esd performance ? 5-bump, 0.96mm x 1.33mm footprint chip scale package (csp) ? rohs-compliant, lead-free finishing applications ? headset speaker port 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. product description the cm1416 is an emi filter array with esd protection, which integrates two pi-filters (c-r-c). the cm1416 has component values of 117pf-2 - 117pf. 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 diodes safely dissipate esd strikes of 30kv, exceeding the maximum requirement of the iec 61000-4-2 international standard. using the mil- std-883 (method 3015) specification for human body model (hbm) esd, these devices protect for contact discharges at greater than 30kv. this device is well suited for portable electronics (e.g. mobile handsets, pdas, notebook computers) because of its small pack age and easy-to-use pin assignments. in particular, the cm1416 is ideal for filtering unwanted emi-induced noise and providing esd protection for headset speaker port applications in wireless handsets with 8 speakers. the cm1416 incorporates optiguard ? coating which results in improved reliability at assembly. the cm1416 is available in a space saving, low profile chip scale package with rohs-compliant, lead-free finishing.
cm1416 rev. 2 | page 2 of 9 | www.onsemi.com block diagram
cm1416 rev. 2 | page 3 of 9 | www.onsemi.com pin descriptions pin name description a1 filter1 emi filter 1 a3 filter2 emi filter 2 b2 gnd device ground c1 filter1 emi filter 1 c3 filter2 emi filter 2 ordering information part numbering information lead-free finish pins package ordering part number 1 part marking 5 csp CM1416-03CP cj 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 (note 5) 100 mw dc package power rating (note 5) 500 mw standard operating conditions parameter rating units operating temperature range -40 to +85 c
cm1416 rev. 2 | page 4 of 9 | www.onsemi.com electrical operating characteristics (see note 1) symbol parameter conditions min typ max units r r1 resistance 2 c tot total channel capacitance at 2.5vdc, 1mhz, 30mvac 187 234 281 pf c 1 c1 capacitance at 2.5vdc, 1mhz, 30mvac 93 117 140 pf v diode diode standoff voltage i diode = 10 a 6.0 v i leak diode leakage current v in = 3.3v (reverse bias voltage) 0.1 2 a v sig signal clamp voltage positive clamp negative clamp i load = 10ma i load = -10ma 6.4 -9.8 7.6 -7.6 9.8 -6.4 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 0.95 0.90 f c cut-off frequency z source = 50 , z load = 50 r = 2 , c = 117pf 21 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.
cm1416 rev. 2 | page 5 of 9 | www.onsemi.com performance information figure 1. typical emi filter performance (0vdc, 50 ohm environment) figure 2. typical diode capacitance vs. input voltage (normalized to 2.5vdc)
cm1416 rev. 2 | page 6 of 9 | 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
cm1416 rev. 2 | page 7 of 9 | www.onsemi.com mechanical details csp mechanical specifications the cm1416 is supplied in a custom chip scale package (csp). dimensions are presented below. package dimensions package custom csp bumps 5 millimeters inches dim min nom max min nom max a1 0.955 1.000 1.045 0.037 6 0.0394 0.0411 a2 1.325 1.370 1.415 0.052 2 0.0539 0.0557 b1 0.495 0.500 0.505 0.019 5 0.0197 0.0199 b2 0.245 0.250 0.255 0.009 6 0.0098 0.0100 b3 0.430 0.435 0.440 0.016 9 0.0171 0.0173 b4 0.430 0.435 0.440 0.016 9 0.0171 0.0173 c1 0.200 0.250 0.300 0.007 9 0.0098 0.0118 c2 0.200 0.250 0.300 0.007 9 0.0098 0.0118 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 package dimensions for cm1416 chip scale package
cm1416 rev. 2 | page 8 of 9 | 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 cm1416 1.33 x 0.96 x 0.644 1.42 x 1.07 x 0.74 8mm 178mm (7") 3500 4mm 4mm figure 5. tape and reel mechanical data
cm1416 rev. 2 | page 9 of 9 | 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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