_______________________________________________________________ maxim integrated products 1 for pricing, delivery, and ordering information, pl ease contact maxim direct at 1-888-62-62, or visit maxims esite at maxim-iccom max9926u evaluation kit evaluates: max9926u general description the max9926u evaluation kit (ev kit) is a fully assembled and tested cicuit boad that contains a dualchannel diffeential vaiableeluctance (v o manetic icku) senso inteface cicuit usin a max9926u in a 6in ackae the dualchannel inteface cicuit also featues diffeential amlifies fo evaluatin a ai of dif feential o sinleended v senso sinals and ovides a ain of nut oe to the ev kit cicuit can be su lied by a v to v souce the max9926u temeatue ane is n to 2 n the ev kit uses automotive oetain safetyeuimentated ceamic caacitos ith a temeatue ane of n to 2 n the max9926u ev kit cicuit can be confiued to demonstate the max9926u s oeation ith intenal adative eak theshold and eocossin detection modes as ell as to inteface to a micocontolle ulse idth modulation (m) sinal fo evaluatin etenal thesholds t can inteface to both diffeential as ell as sinleended v sensos the ev kit can evaluate ete nal v sinals fom to 2k features s demonstrates the operation of max9926u modes a1, a2, and b s evaluates dual differential and inleended arialeelutane or maneti iup ensors s demonstrates ero rossin, ea detetion, adaptive hreshold mehanism, and otation diretion s nludes opass ensor nput ilters s evaluates to 2 ensors s ull assemled and ested ordering inoration oponent ist denotes lead(pb)-free and rohs compliant. 19-4974; rev ; 99 a e max9926uevt ev it deao deo ot installed ceamic caacitos () 2 f q 2 2v x ceamic caacito (26) muata mem f q v x ceamic caacitos () muata m2 6 9 f q 6v x ceamic caacitos () muata m29 f q 6v x ceamic caacito (6) muata m C C 99k i q esistos (26) anasonic ee99v 6 9 ot installed esistos () deao deo 2 k i q esistos () 2 2 2 k i q esistos () 2 2 29 k i q esistos () u u u u 2in heades u2 u u u6 u u9 6 in heades t t2 t t6 miniatue test oints yello t t 2 miniatue test oints ed t t 2 test oints black u v senso inteface (6 ) maim max9926uaee (to mak ) hunts (uCu) max9926u evauat t downloaded from: http:///
max9926u evaluation kit evaluates: max9926u 2 ______________________________________________________________________________________ uic tart euired euipent ? max9926u ev kit ? v ma oe suly ? scilloscoe ? unction eneato rocedure the max9926u ev kit is fully assembled and test ed ollo the stes belo to veify boad oeation aution do not turn on the poer suppl until all onnetions are ompleted ) veify that shunts ae installed on thei esective ume as shon in table 2) onnect the v oe suly to the v ad and the oe sulys ound to the ad ) tun on the oe suly ) usin the oscilloscoe measue the sinal at the ut o ut2 and ads hich should be a 2k suae avefom ith amlitude of v ) onnect the function eneato to the ee and ee ads 6) tun on the function eneato and set it fo an outut of a offset of 2v tianle ave ith a fe uency of 2k and a duty cycle ) the ev kit cicuit is eady fo futhe evaluation usin to v o manetic icku sensos ee the mper selection section fo confiuin the ev kit cicuit detailed description o ardare the max9926u ev kit featues a dualchannel diffe ential v senso inteface cicuit usin a max9926u in a 6in sufacemount ackae the ev kits dualchannel inteface cicuit can evaluate sinals fom diffeential o sinleended sensos the inteface cicuit ovides a ain of and can evaluate diffeential senso sinal amlitudes of mv to v ith a to 2k feuency ane oe fo the ev kit cicuit can be sulied by a v to v souce hich ovides at least ma the max9926u ev kit cicuit can be confiued to dem onstate the max9926u modes a a2 o oeation esistocaacito netoks ovide a v2 souce to the a and a2 inuts esec tively fo evaluatin mode efe to the ode selection section in the max9926u data sheet fo additional ale 1 default umper onfiuration u1Cu1 oponent uppliers ote ndicate tat o are sin te 99 en contactin tese component sppliers. ue oe ebe muata electonics oth ameica nc 6 muatanothameicacom anasonic o 22 anasoniccom ume u oo ume ouao u nstalled hannel sinleended senso u2 2 hannel mode a mode of oeation u 2 hannel 2 mode a mode of oeation u nstalled hannel 2 sinleended senso u 2 hannel mode a mode of oeation u6 2 hannel mode a mode of oeation u ot installed mode a mode of oeation u 2 hannel 2 mode a mode of oeation u9 2 hannel 2 mode a mode of oeation u nstalled vu v oeed downloaded from: http:///
max9926u evaluation kit evaluates: max9926u _______________________________________________________________________________________ infomation on the modes of oeation oass senso inut filtein fo channel ee q inuts is ovided by esistoscaacito netok C and channel 2 ee2 q inuts ae ovided by C ads ovide access to the max9926u suaeave oendain outut sinals at ut and ut2 and the diection sinals these oututs ae ulled u to the vu voltae and ae confiuable by ume u additionally ads te and te2 ae o vided fo intefacin ith usesulied micocontolle m sinals hen evaluatin mode of the max9926u hich enables the theshold voltae to be set etenally o te esistocaacito netok 2 and fo te2 2 ovide a loass filte fo the m inut sinals esectively efe to the daptive pea resold section in the max9926u data sheet fo additional infomation hen fed a sinal the ev kit cicuit can be used to demonstate the max9926us intenal atchdo times functionality the ev kit also featues test oints to ease evaluatin the a senso inut sinals tests oints t and t2 ovide access to the eeee inut sinals afte assin thouh esistos C t and t6 ovide access to the ee2ee2 inut sinals afte assin thouh esistos C t and t ovide access to the a and a2 efeence esectively hile t and t ovide access to uper election the max9926u ev kit featues seveal umes to econ fiue the senso inut tye ullu voltae and the inteface cicuits mode of oeation ensor ignal ources eeee ee2ee2 the senso sinals ae alied to the ev kits channel eeee and channel 2 ee2ee2 ads o oe oeation the tyical diffeential senso sinal should have mv to v and a to 2k feuency ane hen evaluatin sinleended sensos esistos C and C euie elacement fo oeation at hihe voltaes and oe table 2 lists eeee vaious ume otions fo selectin the sinal souce and table lists ee2ee2 ume otions ale 2 hannel 1 ee1ee1 oure u1 onfiuration ale hannel 2 ee2ee2 oure u onfiuration u oo 1 1 ee1ee1 oue ot installed onnected to ee ad thouh esistos and 2 onnected to ee ad thouh esistos and etenal diffeential v senso nstalled onnected to ee ad thouh esistos and 2 onnects ee ad to ad etenal sinleended v senso u oo 2 2 ee2ee2 oue ot installed onnected to ee2 ad thouh esistos and onnected to ee2 ad thouh esistos 6 etenal diffeential v senso nstalled onnected to ee2 ad thouh esistos and onnects ee2 ad to ad etenal sinleended v senso downloaded from: http:///
max9926u evaluation kit evaluates: max9926u ______________________________________________________________________________________ max9926u mode a a2 and operation the max9926u ev kit featues umes to confiue the esective channel and channel 2 v senso inteface cicuit mode of oeation the cicuit can be confiued fo mode a a2 o oeation o channel table lists the vaious ume otions fo confiuin the cicuit table lists channel 2 otions mode b operation uly a diital m sinal to the esective channel te and ads the sinal must ovide a v loichih feuency in the 2k to k ane efe to the ode selection section in the max9926u data sheet fo additional infomation on selectin a mode of oeation ou ou2 di outputs and u the max9926u oendain comaato oututs ae available at the ut ut2 and ads the vu ad is ovided to ull u the ut ut2 and sinals (2 29 and 2 esec tively) to the voltae connected to the vu ad vu can accet voltaes u to v afte emovin ume u hen installed ume u ulls the vu ads u to v ale hannel 1 mode a1, a2, and b u1, u2, u, u6, u onfiuration ale hannel 2 mode a1, a2, and b u, u, u, u, u9 onfiuration mode u oo u1 eo u2 ba1 u _1 u6 ex1 u eo_e a ee table 2 2 2 2 ot installed a2 ee table 2 2 2 2 nstalled ee table 2 2 2 ot installed mode u oo u eo u ba2 u _2 u9 ex2 u eo_e a ee table 2 2 2 ot installed a2 ee table 2 2 2 nstalled ee table 2 2 ot installed downloaded from: http:///
max9926u evaluation kit evaluates: max9926u _______________________________________________________________________________________ ire 1. 99 it scematic downloaded from: http:///
max9926u evaluation kit evaluates: max9926u 6 ______________________________________________________________________________________ ire . 99 it omponent placement ide omponent side ire . 99 it p aotomponent side ire 4. 99 it p aot aer 1.0 1.0 1.0 downloaded from: http:///
aim cannot assme responsibilit for se of an circitr oter tan circitr entirel embodied in a aim prodct. o circit patent licenses are implied. aim reserves te rit to cane te circitr and specifications itot notice at an time. mai integrated roducts 2 an gariel drive unnvale a 96 6 ? 29 maim nteated oducts maim is a eisteed tademak of maim nteated oducts nc max9926u evaluation kit evaluates: max9926u ire . 99 it p aotd aer ire . 99 it p aotsolder side 1.0 1.0 downloaded from: http:///
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