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LM75 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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LM75 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 12 page Digital Temperature Sensor and Thermal Watchdog with 2-Wire Interface 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS (Note 1) ELECTRICAL CHARACTERISTICS (+VS = +3.0V to +5.5V, unless otherwise noted. Temperature accuracy specifications apply for +VS = 3.3V for versions with “-3” in the suffix and for +VS = 5V for versions with “-5” in the suffix. TA = -55°C to +125°C, unless otherwise noted. Typical values are at +VS = +5V, TA = +25°C.) (Notes 4, 5) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. +VS to GND ...........................................................-0.3V to +6.0V OS, SDA, SCL to GND...........................................-0.3V to +6.0V All Other Pins to GND .................................-0.3V to (+VS + 0.3V) Input Current at Any Pin (Note 2)..........................................5mA Package Input Current (Note 2)..........................................20mA OS Output Sink Current ......................................................10mA Continuous Power Dissipation (TA = +70°C) (Note 3) 8-Pin µMAX (µSOP) (derate 4.5mW/°C above +70°C) ..................................362mW 8-Pin SO (SOP) (derate 5.9mW/°C above +70°C) ........471mW Junction-to-Case Thermal Resistance ( θJC) (Note 3) 8-Pin µMAX (µSOP) .......................................................42°C/W 8-Pin SO (SOP)..............................................................40°C/W Junction-to-Ambient Thermal Resistance ( θJA) (Note 3) 8-Pin µMAX (µSOP) .....................................................221°C/W 8-Pin SO (SOP)............................................................170°C/W ESD Protection Human Body Model (RD = 1.5k Ω, CS = 100pF) All Pins to GND .................................................................±2kV Operating Temperature Range .........................-55°C to +125°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS -25°C ≤ TA ≤ +100°C -2.0 +2.0 Accuracy (6 σ) -55°C ≤ TA ≤ +125°C -3.0 +3.0 °C -25°C ≤ TA ≤ +100°C -1.5 +1.5 Accuracy (3 σ) (Note 6) -55°C ≤ TA ≤ +125°C -2.0 +2.0 °C Resolution 9 Bits Temperature Conversion Time (Note 7) 100 300 ms I2C inactive 0.25 0.5 mA Shutdown mode, +VS = 3V 4 Quiescent Supply Current Shutdown mode, +VS = 5V 6 µA +VS Supply Voltage Range 3.0 5.5 V OS Output Saturation Voltage IOUT = 4.0mA (Note 8) 0.8 V OS Delay (Note 9) 1 6 Conver- sions OS Output Fall Time tOF CL = 400pF, IO = 3mA (Note 10) 250 ns TOS Default Temperature (Note 11) 80 °C THYST Default Temperature (Note 11) 75 °C Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifica- tions do not apply when operating the device beyond its rated operating conditions. Note 2: When the input voltage (VI) at any pin exceeds the Absolute Maximum limits (VI < GND, VI > 6V or VI > +VS), the current at that pin should be limited to 5mA. The 20mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input current of 5mA to four. Note 3: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a single- layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial. |
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