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| MITSUMI Analog voltage output temperature sensor MM1522XU/XN Analog voltage output temperature sensor Monolithic IC MM1522XU/XN Outline This is a temperature sensor IC that can obtain +10mV/C linear output voltage relative to temperature change. Features 1. Temperature sensitivity 2. Output voltage precision 3. Consumption current 4. Operating power voltage range 5. Operating temperature range 10mV/C +3C max. 70A typ. +2.7~+10.0V -40~+125C Package SC-82ABB (MM1522XU) SOT-25A (MM1522XN) Applications 1. CPU heat protection 2. Battery charger heat protection 3. Cellular phones Pin Description SC-82ABB Pin No. 1 2 3 4 Pin Name N.C GND VCC VOUT GND PIN VCC PIN Output PIN Function SOT-25A Pin No. 1,3 2 4 5 Pin Name N.C GND VCC VOUT GND PIN VCC PIN Output PIN Function Absolute Maximum Ratings Item Storage temperature Operating temperature Supply voltage Allowable loss (Ta=25C) Symbol TSTG TOPR VCC max. Pd Rating -55~+150 -40~+125 +13 154 (SC-82ABB) 188 (SOT-25A) Unit C C V mW MITSUMI Analog voltage output temperature sensor MM1522XU/XN Electrical Characteristics Item Accuracy Current consumption (Except where noted otherwise, VCC=3V, Ta=-25~+100C, IOUT=0A) Measurement Conditions Ta=-25~+100C VCC=+2.7~+10V Ta=-25C 0.24 0.79 1.49 Ta=+30C Ta=+100C 70 0.27 0.82 1.52 10 1 Min. Typ. Max. Unit 3 1 110 0.30 0.85 1.55 0.8 1 Symbol Ac ICC VOUT VSE NL LineReg LoadReg ISE * C A V V V mV/C C V/A A/C Output voltage 2 * Temperature sensitivity 3 * * Nonlinearity 4 * Line regulation Load regulation Temperature sensitivity of current consumption Ta=+30C VCC=+2.7~+10V Ta=+30C IOUT=0~400A Ta=-40~+125C 0 0 0.2 1 1.0 mV/V 1 * * Note: 1 Design assurance value * * Note: 2 Output voltage: VOUT Terminal voltage at the time of Ta=-25C, 30C and 100C. Output voltage max. min. -25C 30C Temperature 100C Note: 3 Temperature Sensitivity: VSE Temperature coefficient of output voltage calculated from output voltage at the time of Ta=-25C and +100C. VSE=(VOUT (100C)-VOUT(-25C))/125 * VOUT (+100C) Output voltage Slope: Temperature sensitivity VOUT (-25C) -25C Temperature 100C MITSUMI Analog voltage output temperature sensor MM1522XU/XN Note: 4 Nonlinearity: NL Characteristic curve of output voltage and deflection with the approximation straight line. In temperature range from -25 to +100C, the approximation straight line and the maximum deflection of the temperature of the measurement value among output voltages obtained from the approximation straight line. It assumes the approximation straight line to be a straight line to which a is minimized. * Output voltage a measurement value a a Approximated straight line -25C 30C Temperature 100C Block Diagram MM1522XU MM1522XN MITSUMI Analog voltage output temperature sensor MM1522XU/XN Measuring Circuit Application Circuits Thermal watch of Microprocessor Thermal watch of Battery Cell |
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