201305.pdf 43279KB May 08 2013 11:07:04 PM

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Customize YourReprints!REPRINTSEPRINTSPLAQUESPOSTERSCreate a powerful statement for your product, service or companythrough professionally designed marketing materials utilizing editorialcontent from EDN.Contact Wright’s Media to discuss how we can customize thesematerials to enhance your current marketing campaign.U.S. copyright laws protect against unauthorized use of published content.Reprints can be used in:• Trade Show Handouts• Media Kits• Point-of-Purchase Displays• Direct Mail CampaignsCall today877- 652-5295and allow ourreprint coordinatorto assist you withsome provenmarketing ideas.
productroundupSenSorS/TranSducerSProgrammable Hall switch from Diodes Incextends design flexibility↘The AH1898 programmable omnipolar Hall effect switch enables designersto use the same contactless detection circuit in multiple applications or withdifferent field strengths. It features a band-select pin, allowing device sensitivity tobe changed to one of two predefined magnetic sensitivity ranges, and has been optimizedfor use across a 1.6 to 3.6V low-voltage supply range with a hibernating clockingsystem to minimize power consumption. The device helps extend portable batterycelllifetime with an average supply current of 4.3 μA (typical) at 1.8V. The AH1898has an 8 kV ESD rating on supply and output pins, and a chopper stabilized designthat delivers temperature stability over the operating range of −40 to +85°C, absoluteminimum switch point drift, and enhanced immunity to RF noise and physical stress.The switch is available in the miniature 0.8×0.8-mm CSP package, with a 4-pinfootprint and integration of pull-up resistors that result in reduced external componentcounts and simplification of PCB layouts. Prices start at 20 cents (10,000).Diodes Inc, www.diodes.comMeasurement Specialties offers digital barometricsensor in a compact QFN package↘The MS5637 digital barometricpressure sensor uses an integrated24-bit ADC to precisely processpressure and temperature values inas little as 0.5 msec. A low powerdraw of 0.6 μA combined witha compact footprint of 3×3×0.9 mmmakes this high-resolution moduleideal for handheld,mobile devices.The MS5637’shigh-resolutiontemperature output enables operationas an altimeter or thermometer, and ahigh-linearity pressure sensor providesan altitude resolution of 13 cm at sealevel for accurate measurements.Standby power is less than 0.15 μA at25°C, supply-voltage ranges from 1.5 to3.6V, and the ADC interfaces withmicrocontrollers via an I 2 C interface.The sensor operates from 300 to 1200mbar over an extended temperaturerange of −40 to +85°C, with a longtermstability of ±1 mbar per year.Pricing for the MS5637 is less than $1(1 million). Delivery time is dependentupon quantity.Measurement Specialists,www.meas-spec.comNine sensors includedin contextual awarenesskit from InvenSense↘A contextual awareness systemdevelopment kit (CA-SDK)combines nine sensors and software ona 1.71×1.46-in. PCB configured into awearable watchband. Wearable sensorinnovations enable applicationsand productsto offer orientationtrackingand activity recognition.It can alsobe used in sleepmonitoring, posturedetection, and immediateenvironment detection applications.The kit features the MPU-9250nine-axis MotionTracking deviceand InvenSense’s algorithms forMotionFusion. It incorporates temperature,humidity, UV light, proximity,pressure, and light sensors, and comeswith an embedded motion-processinglibrary, USB port, onboard memory, andBluetooth module. The MPU-9250 willbe available in the summer of 2013, andprices start at $5.50 (1000).InvenSense, www.invensense.com[ www.edn.com]May 2013 | EDN 59
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