MLX90615

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MLX90615Infra Red Thermometer9 Unique FeaturesThe MLX90615 is a ready-to use low-cost non contact thermometer provided by Melexis with output datalinearly dependent on the object temperature with high accuracy and extended resolution.The user can program the internal object emissivity correction for objects with a low emissivity.The MLX90615 is housed in standard TO46 package.The low power consumption and sleep mode make the thermometer ideally suited for handheld mobileapplications.The digital sensor interface can be either a PWM or an enhanced access SMBus compatible protocol.Systems with more than 100 devices can be built with only two signal lines.10 Performance Graphs10.1 Temperature accuracy of the MLX90615115To o C± 3 o C ± 2 o C ±1.5 o C±1.5 o C60± 2 o C± 1.5 o C±0.5 o C±1.5 o C0-40-40± 3 o C± 1.5 o C ±1.5 o C± 2 o C-20 0 Ta o C50 85Figure 15: Preliminary accuracy of MLX90615 (Ta,To)All accuracy specifications apply under settled isothermal conditions only and nominal supply voltage.The accuracy in the range Ta 10ºC - 40ºC and To 32ºC - 42ºC is shown in diagram below. The accuracyfor the rest ranges is same as in previous diagram.3901090615 Page 20 of 30 Data SheetRev 00128/Aug/2008
MLX90615Infra Red ThermometerTo, o C454239363230± 0.2 o C± 0.3 o C ± 0.1 o C ± 0.3 o C± 0.2 o C10 20 30Ta, o C40Figure 16: Preliminary accuracy of MLX90615ESG-DAA (Ta,To) for medical applications.10.2 Field Of View (FOV)Field of view is determined at 50% thermopile signal and with respect to the sensor main axis.ParameterMLX90615Peak direction ±0°FOV width 100°1.00.80.50.30.0-80° -70° -60° -50° -40° -30° -20° -10° 0° 10° 20° 30° 40° 50° 60° 70° 80°Angle, DegFigure 17: FOV of MLX906153901090615 Page 21 of 30 Data SheetRev 00128/Aug/2008
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MLX90615

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