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MLX91207LDCCAA-005RE Scheda tecnica(PDF) 7 Page - Melexis Microelectronic Systems |
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MLX91207LDCCAA-005RE Scheda tecnica(HTML) 7 Page - Melexis Microelectronic Systems |
7 / 21 page MLX91207 High Speed Hall Sensor IC 39010091207 Page 7 of 21 Data Sheet Rev. 17 July/12 9.2 Accuracy Specification Operating Parameters TA = -40 oC to 125oC, Vdd = 5.0 V, S = 50 mV/mT, unless otherwise specified. Specifications are defined for final test conditions: PLATEPOL=0 and RATIODIS=0. Parameter Symbol Test Conditions Min Typ Max Units Thermal Offset Drift ∆TVoq -0.4 +0.4 %Vdd Thermal Sensitivity Drift TC -150 +150 ppm/°C RMS Output noise Nrms S = 1 %Vdd/mT (= 300 mV/mT @ Vdd=5V) 0.02 %Vdd Voq Ratiometry ∆Voq Voq = 50% Vdd ∆Vdd = 10% Vdd 9.8 10.2 % Sensitivity Ratiometry ∆S ∆Vdd = 10% Vdd B = ± 45 mT 9.8 10.2 % Table 6: Accuracy specific parameters 9.3 Remarks to the achievable accuracy The achievable target accuracy is dependent on the user’s end of line calibration. The resolution for the offset and offset drift calibration is better than 0.1%Vdd. The trimming capability is higher than the measurement accuracy. An end user calibration can increase the accuracy of the system. 10 Thermometer Output The thermometer output voltage is in the range from 367mV to 2930mV for temperatures ranging from -40°C to 125°C. The pin shall be able to sustain a low impedance connection to maximum 14V. The output is not ratiometric. Parameter Symbol Test Conditions Min Typ Max Units Offset T35 Output voltage with T = 35degC 1.38 V Slope Tslope 13.5 mV/degC Accuracy Tacc -5 5 degC Load capacitor CloadTherm External through bonding wire 1 50 nF Output current Iouttherm -0.1 +0.1 mA Table 7: Thermometer output specifications |
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