afl sensors - 1 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 afl-series sensors?low power, low voltage digital switches features: ? low voltage operation to 0.9 v ? low current consumption ? digital switch output ? precise detection of low magnetic fields ? ultra-small packages (msop8 and tdfn6) ? available in millimeter-scale die ? cannot be damaged by large magnetic fields description: nve?s afl-series sensors are digital switches designed to run at very low voltages and currents. the parts can operate from a single battery. the output is configured as a switch to detect magnetic fields, switching on at a specified magnetic field, and off when the field is removed. current-sinking or current-sourcing output configura tions are available. both configur ations supply up to 100 a. an external pull-up or pull-down resistor is require d. the devices are available in msop8 or tdfn6 packages, or in die form. afl product selection guide afl-series part numbers follow the general form belo w. the first ?x? in the part number specifies the voltage range, the second ?x? denotes the output co nfiguration, the third ?x ? specifies the magnetic operate point, and the last character pair specifies the package. the following sections define these options. voltage range of operation package type magnetic operate point output - x afl x x xx
afl sensors - 2 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 voltage range of operation the first numeric digit of the part number in th e form aflxxx-xx specifies the operating voltage range. four ranges are available: nve afl x xx-xx number voltage range of operation 0 0.9 v ? 1.3 v 1 1.8 v ? 2.5 v 2 2.7 v ? 3.6 v 3 4.5 v ? 5.5 v the quiescent supply current specificat ions apply within these ranges. parts may be operated at higher voltage than shown up to a maximum of 7 v, but the quiescent current will increase. for example, a ?1xx-xx? part can be operated up to 3.0 v a lthough it might it exceed the quiescen t current specification. nve can supply custom parts for different voltage ranges. minimum order quantities, special pricing, nre charges, and lead times may apply. please contact nve with your requirements. output the second digit of the part number specifies the output configuration. four output types are available: nve afl x x x-xx number output type 0 normally off, current sink 1 normally on, current sink 2 normally on, current source 3 normally off, current source ?normally off? means that with no magnetic field applied the output will not provide current; when the magnetic field is applied, the output current will turn on. ?normally on? is opposite. parts will sink or source up to 100 a. output current is not included in the quiescen t current specification.
afl sensors - 3 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 magnetic operate point and direction of sensitivity standard magnetic operate points are shown in the table below. non-standard magnetic operate points are available, but special pricing, minimum order quantities, nre charges, and lead times may apply. nve afl xx x -xx number magnetic operate point 0 10 oe 1 20 oe 2 28 oe 3 40 oe 4 80 oe 5 7 oe all afl-series parts feature cross-axis sensitivity as shown in the following diagrams: package types afl-series parts are available in two different packages: an 8-pin micr o small outline package (msop) and a 6-pin ultra-miniature leadless tdfn package. parts are also available in die form. package type part numbers are shown in the table below; drawings are at the end of this specification. nve afl xxx- xx number package type 00 msop8 01 ic only 10 tdfn6 available parts the following parts in this se ries are currently available: afl000-00e afl000-10e afl000-01 afl001-10e afl002-10e afl005-10e afl020-00e afl030-00e afl100-00e afl100-10e afl103-01 afl200-00e AFL300-00e notes: 1. part types are continuosly added. contact factory for current part availability . 2. the ?e? suffix indicates a lead-free, rohs-compliant package. 3. all die versions (-01 suffix) are lead-free and rohs compliant. cross axis msop 8 vcc test tes t tes t outpu t ground n/c tes t cross axis tdfn 6 vcc tes t tes t ground tes t outpu t
afl sensors - 4 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 electrical and magne tic specifications paramete r min. typ. max. units magnetic operate point (aflxx 0-xx) 7 10 13 |oersteds| operate/release differential (a flxx0-xx) 1 6 |oersteds| magnetic operate point (aflxx 1-xx) 15 20 25 |oersteds| operate/release differential (a flxx1-xx) 3 10 |oersteds| magnetic operate point (aflxx 2-xx) 21 28 34 |oersteds| operate/release differential (a flxx2-xx) 3 10 |oersteds| magnetic operate point (afl xx5-xx) 4 7 10 |oersteds| operate/release differential (a flxx5-xx) 1 6 |oersteds| operating voltage (afl0xx- xx) 0.9 1.1 1.3 volts operating voltage (afl1xx- xx) 1.8 2.2 2.5 volts operating voltage (afl2xx- xx) 2.7 3.2 3.6 volts operating voltage (afl3xx- xx) 4.5 5.0 5.5 volts quiescent current (afl000-xx) 20 35 55 a quiescent current (afl020-xx) 30 50 75 a quiescent current (afl030-xx) 15 35 55 a quiescent current (afl100-xx) 25 35 45 a quiescent current (afl200-xx) 30 35 45 a quiescent current (afl300-xx) 30 40 50 a maximum output drive current (sink or source) 100 a v ol at 100 a output drive current 0.200 volts v oh at 100 a output drive current v cc ? 0.150 volts frequency response 100 khz temperature range of operation ? 20 85 c notes: 1. large magnetic fields will not damage nve gmr sensors 2. one oersted (oe) = 1 gauss in air = 0.1 mt
afl sensors - 5 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 operation the magnetic field must be applied planar to the package in the direction of sensitivity. when the magnetic field reaches the magnetic ope rate point, the output will turn on. there should be a pull-up or pull-down resistor on the output terminal. fuctional diagrams and pinout vcc (pin 1) test n/c test output test ground test afl000-00 gmr bridge direction of sensitivity vcc (pin 1) test test output test ground afl000-10 gmr bridge
afl sensors - 6 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 ic drawing and layout the ic is approximately 1.45 mm x 1.5 mm. a die drawing is shown below: direction of sensitivity
afl sensors - 7 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 package drawings and specifications msop8 notes: 1. the msop8 package has thermal power dissipation of 320c /watt in free air. 2. thermal performance is improved when th e package is soldered to a circuit board. 2.5 mm x 2.5 mm tdfn6 notes: 1. the tdfn6 package has thermal power dissipation of 320c /watt in free air. 2. thermal performance is improved when th e package is soldered to a circuit board. dimensions: inches (mm) .118 (3.00) .021 (.533) .154 (3.91) .034 (.86) .040 (1.02) .004 (.102) min .012 (.305) max .0256 (.65) x 6 nve xxx .118 (3.00) .193 (4.90) .012 typ. .118 (3.00) dimensions in mm
afl sensors - 8 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 the complete part number will not fit on tdfn6 or msop8 pack ages, so a three-digit code is used. the package codes are listed below: part numbe r marking code afl000-00e afl000-10e afl001-10e afl002-10e afl005-10e afl020-00e afl030-00e afl100-00e afl100-10e afl200-00e AFL300-00e pbbe qbbe qbxe qble qbke pbce pbde pbfe qbfe pbge pbhe ?nve corporation all rights are reserved. reproduction in whole or in part is prohibited without the prior written consent of the copyright owne r. sb-00-015 february 2012
afl sensors - 9 - www.nve.com phone: 952-829-9217 fax: 952-829-9189 datasheet limitations the information and data provided in datash eets shall define the specification of the product as agreed between nve and its cus tomer, unless nve and customer have explicitly agreed othe rwise in writing. all specifications are ba sed on nve test protocols. in no event howev er, shall an agreement be valid in which the nve product is deemed to o ffer functions and quali ties beyond those described in the datasheet. limited warranty and liability information in this document is believed to be accurate and reliable. however, nve does not give any represen tations or warrant ies, expressed or implied, as to the accuracy or completene ss of such information and shall have no lia bility for the consequences of use of such information. in no event shall nve be liable for any indirect, incidental, punitive, special or consequentia l damages (including, without li mitation, lost profits, lost savings, business interruption, costs related to the removal or replacement of any products or rework charges) whether or not such damages are based on tort (incl uding negligence), warranty, breach of contract or any other legal theory. right to make changes nve reserves the right to make changes to information published in this document including, without limitation, specifications and product descriptions at any time and without notic e. this document supersedes and replaces all information supplied prior to its public ation. use in life-critical or sa fety-critical applications unless nve and a customer explicitly agree otherwise in writing, nve products are not designed, aut horized or warranted to be suitable for use in life support, life-critical or safety-critical devices or equipmen t. nve accepts no liability for inclusion or use of nve produ cts in such applications and such inclusion or use is at the customer?s own risk. shoul d the customer use nve products for such application whether auth orized by nve or not, the customer shall indemnify and hold nv e harmless against all claims and damages. applications applications described in this datasheet are illustrative only. nve makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. customers are responsible for the design a nd operation of their applications and produc ts using nve products, and nve accepts n o liability for any assistance with applications or customer product design. it is customer?s sole responsibility to determine whether the nve product is suitable and fit for the customer?s applications and products planned, as well as for the pla nned application and use of customer?s thir d party customers. customers should provide appropria te design and operating safeguards to minimize the risks associated with their applications and products. nve does not accept any liab ility related to any default, da mage, costs or problem which is based on any weakness or default in the customer?s applications or products, or the application or use by customer?s third party cust omers. the customer is responsible for all ne cessary testing for the customer?s applications and prod ucts using nve products in order to avoid a defa ult of the applications and the products or of the application or use by customer? s third part y customers. nve accepts no lia bility in this respect. limiting values stress above one or more limiting values (a s defined in the absolute maximum ratings system of iec 60134) will cause permanent damage to the device. limiting values are stress ratings only and operation of the device at these or any ot her conditions above those given in the recommended operating conditions of the datasheet is not warranted. constant or repeated exposure to limiting values will permanently and i rreversibly affect the quality and reliability of the device. terms and conditions of sale in case an individual agreement is concluded only the terms and conditions of th e respective agreement shall apply. nve hereby expressly objects to applying the customer?s general terms and conditions with regard to the purchase of nve products by customer. no offer to sell or license nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or inte llectual property rights. export control this document as well as the items described herein may be subject to export control regulations. export might require a prior authorization from national authorities. automotive qualified products unless the datasheet expressly states that a specific nve produc t is automotive qualified, the product is not suitable for auto motive use. it is neither qualified nor tested in accordance with automotive testing or ap plication requi rements. nve accepts no liability for in clusion or use of non- automotive qualified products in auto motive equipment or applications. in the event that customer uses the product for design-in and use in automotive applications to automotive specifications and s tandards, customer (a) shall use the product without nve?s warranty of the product fo r such automotive applications, use and specifications, and ( b) whenever customer uses the product for automotive applications beyond nve?s specifications such use shall be solely at customer?s own ri sk, and (c) customer fully indemnifies nve for any liability, damages or failed product claims resulting from customer design and use o f the product for automotive applications beyond nve?s standa rd warranty and nve?s product specifications.
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