knowles acoustics, a division of knowles electronics, llc. revision: c 1 of 10 SPM0103ND3 knowles acoustics 1151 maplewood drive itasca, il 60143 amplified ? mini ? sisonic ? microphone specification
knowles acoustics, a division of knowles electronics, llc. revision: c 2 of 10 SPM0103ND3 1. description and application 2. part marking 3. temperature range 1.1 description amplified ? mini ? surface mount silicon microphone with standard rf protection 1.2 application hand held telecommunication devices 3.1 operating temperature range: - 40 c to +100 c 3.2 storage temperature range: - 40 c to +100 c identification number convention s 1 2 3 4 5 6 s: manufacturing location ? s ? ? knowles electronics suzhou suzhou , china ? no alpha character ? ? knowles electronics itasca itasca, il usa ? e ? ? engineering samples digits 1 ? 6: job identification number identification number pin 1
knowles acoustics, a division of knowles electronics, llc. revision: c 3 of 10 SPM0103ND3 4. acoustic & electrical specifications 5. frequency response curve db no change across voltage range change in sensitivity over 5.5v to 1.5v sensitivity loss across voltage db at 100db spl, thd < 1% at 115db spl, thd = < 10% maximum input sound level omni - directional directivity dba spl n/a 35 n/a a - weighted enl typical input referred noise max. nom. min. v 5.5 n/a 1.5 vs supply voltage db n/a 59 55 @ 1khz (0db=1v/pa) s/n signal to noise ratio ma 0.350 n/a 0.100 across 1.5 to 5.5 volts i dss current consumption w 100 n/a n/a @ 1khz (0db=1v/pa) z out output impedance db - 18 - 22 - 26 @ 1khz (0db=1v/pa) s sensitivity unit limits condition symbol
knowles acoustics, a division of knowles electronics, llc. revision: c 4 of 10 SPM0103ND3 6. mechanical specifications function pin # pin output power 4 ground 3 gain control 2 output 1 note: (tolerance +/ - 0.15mm unless otherwise specified) mm 0.15 0.84 port hole mm 1.55 acoustic seal i.d. (typical) mm <0.1 coplanarity mm 0.25 1.32 short edge to c.l. port mm 0.25 1.88 long edge to c.l. port grams 0.08 weight 0.10 0.10 +0.20 - 0.10 tol . (+/ - ) mm 3.76 width mm 4.72 length mm 1.50 height units dim. item
knowles acoustics, a division of knowles electronics, llc. revision: c 5 of 10 SPM0103ND3 7. recommended customer land pattern 8. recommended solder stencil pattern n/a
knowles acoustics, a division of knowles electronics, llc. revision: c 6 of 10 SPM0103ND3 c1 (set by customer) r1 = 22k w r3 (set by customer) r2 = 2.4k w v+ term 1 = output term 2 = gain control term 3 = ground term 4 = v dd vout 9. recommended interface circuit setting gain formulas : gain of non - inverting op - amp is determined as: g=1+ {r1 / (r2 + r3)} gain(db) = 20 * log(g) high - pass - filter corner frequency: c.f. = 1 / {2* p *(r2 + r3) * c1} add r3 and c1. use formulas provided to calculate settings, or contact knowles for support. adjustable gain tie terminal 2 through c1 (0.47uf) to ground. 20db gain tie terminal 2 directly to output (terminal 1). unity gain (0db) pin 2 termination method desired gain
knowles acoustics, a division of knowles electronics, llc. revision: c 7 of 10 SPM0103ND3 10. packaging detail no consecutive empty pockets; no more than 3 empty pockets per reel. (does not include empty pockets for leader/follower) empty units label applied to external package and direct to reel. per jedec. label 800mm or minimum of 100 empty pockets leader length available in 13 ? and 7 ? diameter. tape & reel 4500 1200 quantity per reel 7 ? - 2 SPM0103ND3 13 ? - 3 SPM0103ND3 reel diameter suffix model number pin 1 location
knowles acoustics, a division of knowles electronics, llc. revision: c 8 of 10 SPM0103ND3 11. solder reflow profile 12. additional notes notes: 1. do not pull a vacuum over the port hole of the microphone. pulling a vacuum over the port hole can damage the device. 2. do not board wash after the reflow process. board washing and cleaning agents can damage the device. do not expose to ultraso nic processing or cleaning. 3. number of reflow = recommend no more than 3 cycles. 30 sec. 260 c maximum peak 100 sec. above 230 c solder melt 120 sec. 170 ~ 180 c pre - heat time (maximum) temperature profile stage 170 ? 180 c solder melt pre - heat 260 c 230 c 100 sec. 120 sec. (a) packaging (reference sisonic_packaging_spec.pdf ) (b) shelf life: twelve (12) months when devices are to be stored in factory supplied, unopened esd moisture sensitive bag under maximum environmental condition s of 30 o c, 70% r.h. (c) exposure: devices should not be exposed to high humidity, high temperature environment. msl (moisture sensitivity level) class 2a. (d) out of bag: maximum of 90 days out of esd moisture sensitive ba g, assuming maximum conditions of 30 o c/70% r.h.
knowles acoustics, a division of knowles electronics, llc. revision: c 9 of 10 SPM0103ND3 note: after test conditions are performed, the sensitivity of t he microphone shall not deviate more than 3db from its initial value. description test microphone must operate after exposure to shock test of 10,000 g per iec 68 - 2 - 27, ea. microphone is tested to 5 passes through reflow oven, with micro phone mounted upside - down under conditions of 260 o c for 30 seconds maximum. tested to 8kv direct contact discharge or 15kv air discharge as specified by iec 1000 - 4 - 2, level 3 and level 4. microphone unit must operate under test condition: 4 cycles, fr om 20 to 2,000 hz in each direction (x,y,z), 48 minutes, using peak acceleration of 2 0g (+20%, - 0%). (mil 883e, method 2007.2, a) tested under bias at 85 o c/85% r.h. for 1,000 hours. (jesd22 - a101a - b) microphone unit must operate within sensitivity specifications f or 1,000 hours at ? 40 o c. (iec 68 - 2 - 1 test aa ) microphone unit must operate within sensitivity specifications f or 1,000 hours at 105 o c. (iec 68 - 2 - 2 test ba ) microphone unit must maintain sensitivity after storage at ? 40 o c for 1,000 hours. (iec 68 - 2 - 1 test aa ) microphone unit must maintain sensitivity after storage at +105 o c for 1,000 hours. (iec 68 - 2 - 2 test ba ) microphone unit must operate when exposed to air - to - air thermal shock 100 cycles, from ? 40 o c to +125 o c. (iec 68 - 2 - 4), mechanical shock reflow electrostatic discharge low temperature storage test high temperature storage test low temperature operating test vibration test humidity test high temperature operating test thermal shock 13. reliability specifications
knowles acoustics, a division of knowles electronics, llc. revision: c 10 of 10 SPM0103ND3 14. specification revisions 03 - 18 - 2005 official release. update sections 5, 6, 11, 12 c 02 - 14 - 2005 updated response curve b 01 - 06 - 2005 preliminary specification release a date detailed specification changes revision
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