knowles.com datasheet spw0442hr5h - 1 rev e ? copyright 2017 knowles 1 the spw0442hr5h - 1 is a miniature, high - performance, low power, top port silicon microp hone . using knowles proven high - performance sisonic tm mems technology, the spw0442 hr5h - 1 consists of an acoustic sensor, a low noise input buffer, and a n output amplifier . these devices are suitable for applications such as cellphones, smart phones, laptop com puters, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and rf immunity are required. product features ? matched sensitivity ? small package ? low current ? maxrf protection ? top port ed design ? ultra - stable performance ? standard smd reflow ? omnidirectional typical applications ? portable electronics ? c ellphones ? laptop computers ? tablets ? digital still cameras ? portable music recorders spw0442hr5h - 1 rev e datasheet precision top port sisonic tm microphone spw0442hr5h - 1
knowles.com datasheet spw0442hr5h - 1 rev e ? copyright 2017 knowles 2 ground v dd v dd output external gain = - r f /r s (set by user) v ref r f r s dashed section represents sisonic tm microphone .1 f absolute maximum ratings table 1 : absolute maximum ratings parameter absolute maximum rating units vdd to ground -0. 5 , + 5.0 v output to ground - 0.3, vdd+0.3 v input current to any pin 5 ma temperature - 40 to +100 o c stresses exceeding these absolute maximum ratings may cause permanent damage to the device. these are stress ratings only. functional operation at these or any other conditions beyond those indicated under acoustic & electrical specifications is not implied . exposure beyond those indica ted under acoustic & electrical specifications for extended periods may affect device reliability. acoustic & electrical specifications table 2 : normal mode microphone specifications test conditi ons: 23 2c , 5520% r.h., vdd( min) < vdd < vdd(max) , no load, unless otherwise indicate d parameter symbol conditions min typ max units supply voltage vdd 1.5 - 3.6 v supply current idd vdd = 1.8v - 1 3 0 165 a supply current 1 idd vdd = 3.6v - 150 185 a sensitivity 1 s 94 db spl @ 1 khz -43 -42 -41 dbv/pa signal to noise ratio snr 94 db spl @ 1 khz, a - weighted - 59 - db(a) total harmonic distortion thd 94 db spl @ 1 khz, s = typ , rload > 3 k ? - 0.1 5 0.2 5 % acoustic overload point aop 10% thd @ 1 khz, s = typ , vdd = 3.6v, rload > 3k ? - db power supply rejection psr 100 mvpp square wave - -100 - dbv(a) dc output vdd = 1.5 v - 1.3 - v output impedance zout @ 1 khz - - 500 ? directivity omnidirectional polarity increasing sound pressure de creasing output voltage 1 100% tested. application notes figure 1 : typical application circuit note s : all ground pins must be connected to ground. capacitors near the microphone should not contain class 2 dielectrics due to their piezoelectric effects. detailed information on acoustic, mechanical, and system integration can be found in the latest sisonic tm design guide application note.
knowles.com datasheet spw0442hr5h - 1 rev e ? copyright 2017 knowles 3 performance curves test conditions: vdd= 1.8 v , no load, unless otherwise indicated figure 2 : typical free field response normalized to 1 khz figure 3 : typical psrr figure 4 : typical thd vs spl figure 5 : typical idd vs vdd -10 -5 0 5 10 15 20 10 100 1,000 10,000 sensitivity (db) frequency (hz) 50 55 60 65 70 75 80 85 90 95 100 10 100 1,000 10,000 psrr (db) frequency [hz] 0.01 0.1 1 10 5 100 105 110 115 120 125 130 135 thd (%) spl (db) 0 20 40 60 80 100 120 140 160 180 200 1.5 1.8 2.1 2.4 2.7 3 3.3 3.6 idd (
knowles.com datasheet spw0442hr5h - 1 rev e ? copyright 2017 knowles 4 mechanical specifications i tem dimension tolerance length (l) 3.1 0 0.10 width (w) 2. 5 0 0.10 height (h) 1.0 0 0.10 acoustic port (ap) ? 0. 4 5 0.05 pcb thickness (t) 0.28 +0.05 - 0.03 pin # pin name type description 1 output signal output signal 2 ground power ground 3 ground power ground 4 vdd power power supply example land pattern example solder stencil pattern notes: pick area only extends to 0.25 mm of any edge or hole unless otherwise specified. dimensions are in millimeters unless otherwise specified. tolerance is 0.15mm unless otherwise specified detailed information on ap size considerations can be found in the latest sisonic tm design guide application note. further optimizations based on application should be performed.
knowles.com datasheet spw0442hr5h - 1 rev e ? copyright 2017 knowles 5 packaging & marking detail model number suffix reel diameter quantity per reel spw0442hr5h -1 -7 13 5,7 00 alpha character a: s : knowles sisonic? production e : knowles engineering samples p : knowles prototype samples jin number : unique job identification number for product traceability notes: dimensions are in millimeters unless otherwise specified. vacuum pickup only in the pick area indicated in mechanical specifications. tape & reel per eia - 481 rev c . labels applied directly to reel and external package. shelf life: twelve (12) months when devices are to be stored in factory supplied, unopened esd moisture sensitive bag under m a ximum environmental conditions of 30c, 70% r.h. pin 1
knowles.com datasheet spw0442hr5h - 1 rev e ? copyright 2017 knowles 6 recommended reflow profile profile feature pb - free average ramp - up rate (t smax to t p ) 3c/second max. preheat ? temperature min (t smin ) ? temperature max (t smax ) ? ? temperature (t l ) ? additional notes (a) msl (moisture sensitivity level) class 1. (b) maximum of 3 reflow cycles is recommended. (c) in order to minimize device damage: ? do not board wash or clean after the reflow process. ? do not brush board with or without solvents after t he reflow process. ? do not directly expose to ultrasonic processing, welding, or cleaning. ? do not insert any object in port hole of device at any time. ? do not apply over 30 psi of air pressure into the port hole. ? do not pull a vacuum over port hole of the microphone. ? do not apply a vacuum when repacking into sealed bags at a rate faster than 0.5 atm/sec. . time 25c to peak ramp - down ramp - up t smin t smax t l t p t l t p t s preheat time 25c
knowles.com datasheet spw0442hr5h - 1 rev e ? copyright 2017 knowles 7 materials statement meets the requirements of the european rohs directive 2011/65/ec as amended. meets the requirements of the industry standard iec 612 49- 2 - 21:2003 for halogenated substances and knowles green materials standards policy section on halogen - free. product is beryllium free according to limits specified on the knowles hazardous material list (hsl for products). ozone depleting substances are not used in the product or the processes used to make the product, including compounds listed in annex a, b, and c of the montreal protocol on substances that deplete the ozone layer. reliability specifications test description thermal shock 1 00 cycles of air - air thermal shock from - 40c to +125c with 15 minute soaks (iec 68 -2 -4) high temperature storage +105c environment for 1,000 hours (iec 68 - 2 - 2 test ba) low temperature storage - 40c environment for 1,000 hours (iec 68-2 - 1 test aa) high temperature bias +105c environment while under bias for 1,000 hours (iec 68 -2 - 2 test ba) low temperature bias - 40c environment while under bias for 1,000 hours (iec 68- 2 - 1 test aa) temperature/humidity bias +85c/85% r.h. environment while under b ias for 1,000 hours ( jesd22 - a101a -b) vibration 12 minutes in each x, y, z axis from 20 to 2,000 hz with peak acceleration of 20 g (mil 883e, method 2007.2,a) esd - hbm 3 discharges of 2kv direct contact to i/o pins ( mil 883e, method 3015.7) esd - hbm ( lid/gnd ) 3 discharges of 8kv direct contact to lid wh ile unit is grounded ( mil 883e, method 3015.7 ) esd - mm 3 di scharges of 200 v direct contact to io pins ( esd stm5.2 ) reflow 5 reflow cycles with peak temperature of +260c mechanical shock 3 pulses of 10,000 g in each of the x, y, and z directions (iec 68 -2 - 27 test ea) notes: after 3 reflow cycles, the sensitivity of the microphones shall not deviate more than 1 db from its initial valu e.
knowles.com datasheet spw0442hr5h - 1 rev e ? copyright 2017 knowles 8 specification revisions revision specification changes date a initial release (ecr 15 - 421) 10/8 / 20 15 b updated tolerances , landing pattern, and stencil ( ecr 15 - 489 ) 11/ 17 /2015 c added max idd@1.8v ; corrected pcb thickness and tolerance . ( ecr 16 - 570 ) 1/6/2016 d updated aop , added packaging resistivity, clarify t&r compliance , update materials statement (ecr 16 - 593 ) 1/2 6 /2016 e updated carrier tape (ecr 17 - 1385) 1/12/2017 information contained herein is subject to change without notice. it may be used by a party at their own discretion and risk. we do not guarantee any results or assume any liability in connection with its use. this publication is not to be taken as a license to operate under any existing patents. model/reference number: datasheet spw0442hr5h -1 rev e ? copyright 2017 knowles phone: (630) 250 - 5100 fax: (630) 250 - 0575 salesknowles.com knowles 1151 maplewood drive itasca, illinois 60143
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