2-channel headset/speaker emi filter array with esd protection CM1411 ?2010 scillc. all rights reserved. publication order number: april 2010 rev. 3 CM1411/d features ? functionally and pin compatible with the cspemi201a ? optiguard ? coated for improved reliability at assembly ? two channels of emi filtering ? pi-style emi filters in a capacitor-resistor- capacitor (c-r-c) network ? greater than 40db attenuation at 1ghz ? + 8kv esd protection on each channel ? (iec 61000-4-2 level 4, contact discharge) ? + 15kv esd protection in each channel (hbm) ? supports ac signals?ideal for audio applications ? extremely low lead inductance for optimum filter and esd performance ? 5-bump, 0.950mm x 1.410mm footprint chip scale package (csp) ? lead-free rohs compliant applications ? emi filtering and esd protection for headset/speaker ports ? wireless handsets ? handheld pcs / pdas ? mp3 players ? digital camcorders ? notebooks ? desktop pcs product description the CM1411 is a dual, low-pass filter array integrating two pi-style f ilters (c-r-c) that reduce emi/rfi emissions while providing esd protection. this part is custom-designed to interface with a speaker port on a cellular telephone or similar device. each high quality filter provides more than 35db attenuation in the 800 to 2700 mhz range. these pi- style filters support bidirect ional filtering that control emi both to and from a speaker element. they also support ac signals with a cutoff frequency of 31mhz, enabling audio signals to pass through without distortion. in addition, the CM1411 provides a very high level of protection for sensitive electronic components that may be subjected to electrostatic discharge (esd). the CM1411 can safely dissipate esd strikes of + 8kv, 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, the device provides protection for contact discharges to greater than + 15kv. the CM1411 is particularly well-suited for portable electronics (e.g., cellular telephones, pdas, notebook computers) because of its small package format and low weight. the CM1411 incorporates optiguard ? coating which results in improved reliability at assembly and is available in a space-saving, low- profile chip scale package with lead-free finishing.
CM1411 rev. 3 | page 2 of 9 | www.onsemi.com block diagram
CM1411 rev. 3 | page 3 of 9 | www.onsemi.com pin descriptions pin name description a1 spkr_in1 speaker input 1 (from audio circuitry) a3 spkr_in2 speaker input 2 (from audio circuitry) b2 gnd device ground c1 spkr_out1 speaker output 1 (to speaker) c3 spkr_out2 speaker output 2 (to speaker) ordering information part numbering information lead-free finish 2 pins package ordering part number 1 part marking 5 csp CM1411-03cp ca 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 200 mw
CM1411 rev. 3 | page 4 of 9 | www.onsemi.com standard operating conditions parameter rating units operating temperature range -40 to +85 c electrical operating characteristics (see note 1) symbol parameter conditions min typ max units r resistance 9 10 11 r match resistance matching 5 % c capacitance 80 100 120 pf i leak diode leakage current v in =5.0v 1.0 a v sig signal voltage positive clamp negative clamp i load = 10ma 5 -15 7 -10 15 -5 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 notes 2 and 4 15 8 kv kv v cl clamping voltage during esd discharge mil-std-883 (method 3015), 8kv positive transients negative transients notes 2,3 and 4 +15 -19 v v f c cut-off frequency z source = 50 , z load = 50 r = 10 , c = 100pf 31 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. note 3: clamping voltage is measured at the opposite si de of the emi filter to the esd pin. for example, if esd is applied to pin a1, then clamping voltage is measured at pin c1. note 4: unused pins are left open.
CM1411 rev. 3 | page 5 of 9 | www.onsemi.com performance information typical filter performance (nominal conditions unless specified otherwise, 50 ohm environment) figure 1. insertion loss vs. frequency (a1-c1 to gnd b2) figure 2. insertion loss vs. frequency (a3-c3 to gnd b2)
CM1411 rev. 3 | 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
CM1411 rev. 3 | page 7 of 9 | www.onsemi.com mechanical details csp mechanical specifications the CM1411 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 0.905 0.950 0.995 0.035 6 0.0374 0.0392 a2 1.365 1.410 1.455 0.053 7 0.0555 0.0573 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 0.175 0.225 0.275 0.006 9 0.0089 0.0108 c2 0.220 0.270 0.320 0.008 7 0.0106 0.0126 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 CM1411 chip scale package
CM1411 rev. 3 | 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 CM1411 1.41 x 0.95 x 0.644 1.52 x 1.07 x 0.720 8mm 178mm (7") 3500 4mm 4mm figure 5. tape and reel mechanical data
CM1411 rev. 3 | 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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