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appendix - 131 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 appendix package drawings and specifications package drawing ? soic8 dimensions: inch (mm) .154 (3.91) .020 (.508) .188 (4.77) .054 (1.37) .061 (1.55) .154 (3.91) .236 (5.99) .017 typ. .193 (4.90) nve xxxxx -xx .050 (1.27) x 6 basic .004 (.10) min. .010 (.26) max. .016 (.40) nom. .015 (.381) x45 note: soic8 package has thermal power dissipation of 240c/watt in free air. attaching the package to a circuit board improves thermal performance. package drawing ? msop8 dimensions: inches (mm) .118 (3.00) .021 (.533) .154 (3.91) .034 (.86) .040 (1.02) .004 (.10) min. .012 (.31) max. .0256 (.65) x 6 basic nve xxx .118 (3.00) .193 (4.90) .012 typ. .118 (3.00) .005 (.13) nom. note: msop8 package has thermal power dissipation of 320c/watt in free air. attaching the package to a circuit board improves thermal performance.
appendix - 132 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 ackage drawing ? tdfn6 2.5 mm x 2.5 mm p 2.00 0.05 c0.10 pin 1 id 0.30 0.05(6x) 0.30 0.05(6x) 0.65 typ. (4x) 1.30 ref (2x) 1.30 0.05 1 3 1 3 6 4 4 pin 1 index area 2.50 0.10 2.50 0.10 6 0.0-0.05 0.80 max 0.20 ref. note: dimensions in mm. tdfn6 package has ther mal power dissipation of 320c/watt in free air. ackage drawing ? tdfn so8 attaching the package to a circuit board improves thermal performance. p 5 4 5 1 5 8 1 pin 1 index area 4.900 0.20 6.00 0.20 4 0.0-0.05 0.750.05 0.750.05 max pin 1 id 3.90 0.15 0.65 0.10 (8x) 1.27 typ. (6x) 3.81ref (2x) 0.40 0.05 (8x) 3.40 0.15 note: dimensions in mm. tdfn so8 package has th ermal power dissipation of 240c/watt in free air. attaching the package to a circuit board improves thermal performance.
appendix - 133 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 ackage drawing ? pllp6 3.0 mm x 3.0 mm p 3.10 (0.122) 3.00 (0.118) 0.98 (0.038) 0.93 (0.036) 0.45 (0.018) 0.35 (0.014) 1.55 (0.061) 1.45 (0.057) 2.30 (0.091) 2.20 (0.087) 0.45 (0.018) 0.40 (0.016) 0.12 (0.005) 0.02 (0.001) 1.00 (0.039) 0.85 (0.033) 0.05 (0.002) 0.00 (0.000) 3.10 (0.122) 3.00 (0.118) note: the pllp6 package has thermal power dissipation of 320c/watt in free air. attaching the package to ote on lead-free packages orking to provide lead-free products in response to concerns about ure tin (sn) have already been qualified at nve and are available in most have higher melting onent of nve?s commitment to take an active part in a circuit board improves thermal performa nce. dimensions are in mm (inches). n the electronics industry has been w the environmental impact of the use of lead (pb) in solder finishes. increasing customer demand and directives to decrease the amounts of lead in consumer electronics products from governments around the globe, drives this effort. lead-free finishes utilizing p of our products. however, additional lead times are associated with these parts. since most lead-free solders being used in board assembly environments temperatures than traditi onal tin-lead solders, higher reflow temperatures may be necessary to form an equivalent solder joint between the component and the pc board. nve characterizes all lead-free packages using elevated temperature (245c to 260c) reflow profiles characteristic of lead-free board assembly environments. all lead-free products will be identified with an ?e? suffix on the part number and a lower case ?e? marking on the package. this lead-free transition is an important comp protecting the environment and our responsibility to our customers and the communities around the world in which we do business. we remain dedicat ed to meeting our customers? requirements and expectations.
appendix - 134 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 recommended solder reflow profile nve recommends the following soldering profile : 300 for leaded (pb) parts, the peak temperature shown in this profile can be decreased to as low as 230c. exceeding 265c at peak or the time at peak temperature shown in this profile can damage the parts. specifically: 1. aa- and ad-series sensors are rated at 150c maximum storage temperature. they can withstand the solder profile shown above with no harmful effects. however, temperatures above 265c for even a brief period or extended periods above 160c can cause degradation of the gmr sensor element. 2. akl- and dd-series parts contain an on-chip eeprom. exposure to temperatures in excess of 265c can cause eeprom data corruption, which will cause the parts to fall out of specification.
appendix - 135 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 magnet data nve supplies ceramic 8 magnets in some of our gmr sensor evaluation kits. the characteristics for these magnets are given below: material type ceramic 8 (c8) maximum operating temperature 300 c curie temperature 450 c temperature coefficient of flux density -0.20 %/ c maximum energy product 3.5 mgoe residual induction 3850 gauss coercive force 2950 oersteds ceramic 8 magnetic characteristics 500 1000 1500 2000 2500 3000 3500 4000 4500 flux density, gauss (g) -35c +25c +85c 0 -5000 -4000 -3000 -2000 -1000 0 demagnetizing force, oersteds (oe)
appendix - 136 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 magnet drawings for the two round disc magnets incl uded in the gt sensor evaluation kits are given below. these magnets are available from nve as production parts. contact nve for pricing and delivery information. in addition, nve can have custom magnets built for specific applications in ceramic 8 or alnico 8 materials. please contact nve for more details. magnet part number diameter (mm) length (mm) 12216 6 4 12217 3.5 4 n note: all dimensions in mm. n ceramic 8 disc magnets s s
appendix - 137 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 part numbers and marking codes nve?s part number format consists of two or three letters, then three numbers, a dash, and then two more numbers, and in some cases a fi nal letter. here is an example: aah004-00e the meanings of the numbers and letters are defined as follows: first two letters general part description aa analog output magnetometer or spin valve sensor ab analog output gradiometer ad digital output magnetometer ag evaluation kit or prin ted circuit board assembly ak digital output gradiometer bd custom digital output magnetometer db digital input si gnal processing ic dc voltage regulator dd analog input signal processing ic third letter gmr material used in product no third letter indicates nve?s standard multilayer material h high sensitivity, high temperature multilayer material l low hysteresis, high temperature multilayer material v spin valve material with synthetic anti-ferromagnet pinning three digits consecutive part number xxx meaning for ad-series parts is described in the gmr switch section of this catalog; other products have numbers assigned consecutively with no meaning implied two digits after dash package type -00 msop 8 pin package -01 raw ic (die); available in diced wa fer on blue tape or waffle pack form -02 soic 8 pin package -07 non-semiconductor style package; used for eval kits and pcbs -10 tdfn6 2.5mm x 2.5mm 6 pin package -11 pllp6 3.0mm x 3.0mm 6 pin package -12 tdfn so8 4.9mm x 6.0mm 8 pin package final letter consecutive part number e no final letter means a standard package; e means a lead-free package
appendix - 138 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 some of nve?s products are delivered in packages th at are too small to be marked with the complete part number. in these cases a three-letter code is used to identify the part. the following table provides a cross-reference from part number to marking code: nve part number code nve part number code aa004-00 cbd ad323-00 gbd aa006-00 cbc ad324-00 gbf aah004-00 cbf ad404-00 hbh aav001-11 bbp ad405-00 hbg aav002-11 bbq ad406-00 hbj ab001-00 cbg ad420-00 hbk abh001-00 cbh ad421-00 hbb abl004-00 fdb ad422-00 hbc abl005-00 fdc ad423-00 hbd abl006-00 fdl ad424-00 hbf abl014-00 fdd ad504-00 jbh abl015-00 fdf ad505-00 jbg abl016-00 fdm ad506-00 jbj abl004-10 fdg ad520-00 jbk abl005-10 fdh ad521-00 jbb abl006-10 fdn ad522-00 jbc abl014-10 fdj ad523-00 jbd abl015-10 fdk ad524-00 jbf abl016-10 fdp ad604-00 kbh ad004-00 bbh ad605-00 kbg ad005-00 bbg ad606-00 kbj ad006-00 bbj ad620-00 kbk ad020-00 bbk ad621-00 kbb ad021-00 bbb ad622-00 kbc ad022-00 bbc ad623-00 kbd ad023-00 bbd ad624-00 kbf ad024-00 bbf ad704-00 lbh ad024-10 bbl ad705-00 lbg ad104-00 dbh ad706-00 lbj ad105-00 dbg ad720-00 lbk ad106-00 dbj ad721-00 lbb ad120-00 dbk ad722-00 lbc ad121-00 dbb ad723-00 lbd ad122-00 dbc ad724-00 lbf ad123-00 dbd ad081-00 bdb ad124-00 dbf ad082-00 bdc ad204-00 fbh ad083-00 bdd ad205-00 fbg ad084-00 bdf ad206-00 fbj ad821-00 mbb ad220-00 fbk ad822-00 mbc ad221-00 fbb ad823-00 mbd ad222-00 fbc ad824-00 mbf ad223-00 fbd ad921-00 nbb ad224-00 fbf ad922-00 nbc ad304-00 gbh ad923-00 nbd AD305-00 gbg ad924-00 nbf ad306-00 gbj adh025-00 mbl ad320-00 gbk bd012-00 zbf ad321-00 gbb db001-00 ffd ad322-00 gbc dc001-10 ffb dc002-10 ffc
appendix - 139 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 the following table provides a cross-refere nce from marking code to part number: code nve part number code nve part number bbb ad021-00 ffd db001-00 bbc ad022-00 gbb ad321-00 bbd ad023-00 gbc ad322-00 bbf ad024-00 gbd ad323-00 bbg ad005-00 gbf ad324-00 bbh ad004-00 gbg AD305-00 bbj ad006-00 gbh ad304-00 bbk ad020-00 gbj ad306-00 bbl ad024-10 gbk ad320-00 bbp aav001-11 hbb ad421-00 bbq aav002-11 hbc ad422-00 bdb ad081-00 hbd ad423-00 bdc ad082-00 hbf ad424-00 bdd ad083-00 hbg ad405-00 bdf ad084-00 hbh ad404-00 cbc aa006-00 hbj ad406-00 cbd aa004-00 hbk ad420-00 cbf aah004-00 jbb ad521-00 cbg ab001-00 jbc ad522-00 cbh abh001-00 jbd ad523-00 dbb ad121-00 jbf ad524-00 dbc ad122-00 jbg ad505-00 dbd ad123-00 jbh ad504-00 dbf ad124-00 jbj ad506-00 dbg ad105-00 jbk ad520-00 dbh ad104-00 kbb ad621-00 dbj ad106-00 kbc ad622-00 dbk ad120-00 kbd ad623-00 fbb ad221-00 kbf ad624-00 fbc ad222-00 kbg ad605-00 fbd ad223-00 kbh ad604-00 fbf ad224-00 kbj ad606-00 fbg ad205-00 kbk ad620-00 fbh ad204-00 ad721-00 lbb fbj ad206-00 lbc ad722-00 fbk ad220-00 lbd ad723-00 fdb abl004-00 lbf ad724-00 fdc abl005-00 lbg ad705-00 fdd abl014-00 ad704-00 lbh fdf abl015-00 lbj ad706-00 fdg abl004-10 lbk ad720-00 fdh abl005-10 mbb ad821-00 fdj abl014-10 mbc ad822-00 fdk abl015-10 mbd ad823-00 fdl abl006-00 mbf ad824-00 fdm abl016-00 mbl adh025-00 fdn abl006-10 nbb ad921-00 fdp abl016-10 nbc ad922-00 ffb dc001-10 ad923-00 nbd ffc dc002-10 nbf ad924-00 zbf bd012-00
appendix - 140 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 electrical offset: the inherent imbalance of the bridge expressed in differential voltage output. rbp: reverse battery protection. definitions and conversion factors definitions: csk or sink: current sinking output, also referred to as open collector output. differential: the field difference between the op erate point and the release point. hbm: human body model for esd specifications. hysteresis: the maximum deviation in volt s between the output with increasing field and the output with decreasing field, where the applied field is unipolar (applied in either a positive or negative direction, without crossing the zero field point), divided by voltage span. expressed as a percentage. input voltage range: the vol tage range that can be applie d across the bridge. iol (current output low): the output current in the l o w (logic 0) state (output stage switched on). max output: a specification given in millivolts per applied voltage. this is the maximum output voltage possible. this output condition is achieved wh en one set of resistors is in magnetic saturation (have achieved the maximum resistance change possi ble) while the other pair are at zero applied magnetic field. nonlinearity: the maximum deviation from a l i near fit taken over the field range divided by the voltage span. expressed as a percentage. off-axis characteristic: a specification that describes the variation in sensor output versus the angle b etween the ap p lied field direction and the sensitive axis of the gmr sensor with constant electrical and magnetic inputs applied. applicable to non-integrat ed bridge sensors. the output will vary as the cosine of the angle rotated. operate point: the fi eld level which produces a l ogi cal ch ange in state from ?0? to ?1? in nve?s digital magnetic field sensors adxxx-xx. operating frequency: frequency range wi thin which a sensor wi ll produce a responsive output. output leakage current (current output high): the output current in the hi gh (l ogic 1) state (output stage switched off). output saturation voltage (voltage output low): the out put voltage in t h e low (logic 0) state (output stage switched on). release point: the fi eld level which produces a logical change in state from ?1? to ?0? in nve?s digital magnetic field sensors adxxx-xx. resistor separation: this is the mean separatio n between the two pairs of resistors, in a gradiometer or differential sensor. sensitivity: a measure of t he output magnitude base d on el ect rical and magnetic input conditions. expressed in millivolts of differential output per applied voltage per oersted.
appendix - 141 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 specified linear range: typically 70% of the field it takes to saturate the part. field dependent specifications are based upon this range. tcoi (temperature coefficient of output at constant input current): the vari ation of the output vol t age over temperature with a constant input current applied. expressed as a percentage per unit temperature change. tcov (temperature coefficient of ou tput at constant input voltage): the variation of the output vol tage over temperature with a constant input voltage applied. expressed as a percentage per unit temperature change. tcr (temperature coefficient of resistance): the variation of the gmr resistors over temperature. expressed as a percen tage per unit temperature change. voltage span: the di fferent ial output vol t age taken from zero to 70% of the saturation field level.
appendix - 142 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 conversion factors to convert into multiply by wb maxwell 10 2 a/cm oe 1.256 a/m oe 1.256 x 10 -2 at gb 1.256 g oe 1 (when o =1) g t 10 -4 g mt 10 -1 g nt 10 5 g wb/cm 2 10 -8 g wb/in 2 6.452 x 10 -8 g wb/m 2 10 -4 gb at 0.796 ka/m oe 1.256 x 10 1 maxwell wb 10 -8 maxwell wb 10 -2 mt g 10 maxwell volt second 10 -8 nt g 10 -5 nt gamma ( ) 1 oe a/cm 7.962 x 10 -1 oe a/m 7.962 x 10 1 oe ka/m 7.962 x 10 -2 t g 10 4 t wb/m 2 1 volt second maxwell 10 8 volt second wb 1 wb maxwell 10 8 wb/cm 2 g 10 8 wb/m 2 g 10 4

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