MM1522 MITSUMI | Alldatasheet
Document overview
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Technical content
Features
- Temperature sensitivity ±10mV/˚C 2. Output voltage precision +3˚C max. 3. Consumption current 70µA typ. 4. Operating power voltage range +2.7~+10.0V 5. Operating temperature range -40~+125˚C Package SC-82ABB (MM1522XU) SOT-25A (MM1522XN)
Applications
- CPU heat protection 2. Battery charger heat protection 3. Cellular phones Pin Description Absolute Maximum Ratings (Ta=25˚C) Item Symbol Rating Unit Storage temperature TSTG -55~+150 ˚C Operating temperature TOPR -40~+125 ˚C Supply voltage VCC max. +13 V Allowable loss Pd 154 (SC-82ABB) mW 188 (SOT-25A) Pin No. Pin Name Function 1 N.C
2 GND GND PIN
3 VCC VCC PIN
4 VOUT Output PIN
Pin No. Pin Name Function 1,3 N.C
4 VCC VCC PIN
5 VOUT Output PIN
MITSUMI Analog voltage output temperature sensor MM1522XU/XN Electrical Characteristics (Except where noted otherwise, VCC=3V, Ta=-25~+100˚C, IOUT=0µA) Item Symbol Measurement Conditions Min. Typ. Max. Unit Accuracy Ac Ta= -25~+100˚C ±3*1 ˚C Current consumption ICC VCC=+2.7~+10V 70 110 µA Ta=-25˚C 0.24 0.27 0.30 V Output voltage*2 VOUT Ta=+30˚C 0.79 0.82 0.85 V Ta=+100˚C 1.49 1.52 1.55 V Temperature sensitivity*3 VSE 10*1 mV/˚C Nonlinearity*4 NL ±0.8*1 ˚C Line regulation LineReg Ta=+30˚C V CC=+2.7~+10V 0 ±1.0 mV/V Load regulation LoadReg Ta=+30˚C I OUT=0~400µA 0 1 µV/µA Temperature sensitivity of current consumption ISE Ta=-40~+125˚C 0.2 *1 µA/˚C Note: *1 Design assurance value Note: *2 Output voltage: VOUT Terminal voltage at the time of Ta=-25˚C, 30˚C and 100˚C. Note: *3 Temperature Sensitivity: VSE Temperature coefficient of output voltage calculated from output voltage at the time of Ta= -25˚C and +100˚C. VSE=(VOUT (100˚C)-VOUT(-25˚C))/125 Output voltage max. min. -25˚C3 0 ˚C 100 ˚C Temperature Output voltage VOUT (+100˚C) VOUT (-25˚C) Slope: Temperature sensitivity -25˚C1 0 0 ˚C Temperature
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 +100˚C, 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. -25˚C3 0 ˚C 100 ˚C Temperature Output voltage Approximated straight linea a a measurement value Block Diagram MM1522XU MM1522XN
MITSUMI Analog voltage output temperature sensor MM1522XU/XN Application Circuits Measuring Circuit Thermal watch of Microprocessor Thermal watch of Battery Cell