SM72480SD-105 NSC [National Semiconductor], SM72480SD-105 Datasheet
SM72480SD-105
Related parts for SM72480SD-105
SM72480SD-105 Summary of contents
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SolarMagic 1.6V, LLP-6 Factory Preset Temperature Switch and Temperature Sensor General Description The SM72480 is a low-voltage, precision, dual-output, low- power temperature switch and temperature sensor. The tem- perature trip point ( set at the factory to be ...
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Block Diagram Pin Descriptions Pin Name Type No. TRIP Digital 1 TEST Input Digital 5 OVERTEMP Output Digital 3 OVERTEMP Output www.national.com Equivalent Circuit TRIP TEST pin. Active High input. If TRIP TEST = 0 (Default) then ...
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Pin Name Type Equivalent Circuit No. Analog V 6 TEMP Output 4 V Power DD 2 GND Ground DAP Die Attach Pad Typical Application Description V Analog Voltage Output TEMP If TRIP TEST = 0 then ...
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... Order Number Trip Point, °C SM72480SD-125 125°C SM72480SDE-125 125°C SM72480SDX-125 125°C SM72480SD-120 120°C SM72480SDE-120 120°C SM72480SDX-120 120°C SM72480SD-105 105°C SM72480SDE-105 105°C SM72480SDX-105 105°C www.national.com NS Package Description Number 6–pin LLP SDB06A 6–pin LLP SDB06A 6– ...
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Absolute Maximum Ratings Supply Voltage Voltage at OVERTEMP pin Voltage at OVERTEMP and V pins −0. TEMP TRIP TEST Input Voltage −0. Output Current, any output pin Input Current at any pin (Note 2) Storage Temperature ...
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Electrical Characteristics Unless otherwise noted, these specifications apply for + all other limits 25°C. MAX A J Symbol Parameter GENERAL SPECIFICATIONS I Quiescent Power Supply S Current Hysteresis OVERTEMP DIGITAL OUTPUT V Logic "1" ...
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Electrical Characteristics Unless otherwise noted, these specifications apply for + all other limits 25°C. MAX A J Symbol Parameter TRIP TEST DIGITAL INPUT V Logic "1" Threshold Voltage IH V Logic "0" Threshold Voltage ...
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Typical Performance Characteristics V Output Temperature Error vs. Temperature TEMP Supply Current vs. Temperature V Supply-Noise Rejection vs. Frequency TEMP www.national.com Minimum Operating Temperature vs. Supply Voltage 30142007 Supply Current vs. Supply Voltage 30142004 Line Regulation V TEMP 30142043 8 ...
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SM72480 V vs Die TEMP Temperature Conversion Table The SM72480 has a factory-set gain, which is dependent on the Temperature Trip Point. The V TEMP voltage, in millivolts, at each discrete die temperature over the complete operating range is ...
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V , Analog Output Voltage, mV TEMP Die Temp °C TRIP 125 or 120°C 35 1763 36 1753 37 1743 38 1732 39 1722 40 1712 41 1701 42 1691 43 1681 44 1670 45 1660 46 1650 ...
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V , Analog Output Voltage, mV TEMP Die Temp °C TRIP 125 or 120°C 131 756 132 745 133 734 134 724 135 713 136 702 137 691 138 681 139 670 140 659 141 649 142 638 ...
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OVERTEMP and OVERTEMP Digital Outputs The OVERTEMP Active High, Push-Pull Output and the OVERTEMP Active Low, Open-Drain Output both assert at the same time whenever the Die Temperature reaches the factory preset Temperature Trip Point. They also assert si- ...
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... V . Since the asserted (low), then for this example the additional contribu- TEMP tion is [(152° C/W)x(5V) heating error of 0.059°C. resistance of the SM72480. Device Number SM72480SD FIGURE 3. SM72480 Thermal Resistance 13 output to ground the V output from the DD TEMP ) is the pa- ...
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Applications Circuits FIGURE 4. Temperature Switch Using Push-Pull Output FIGURE 5. Temperature Switch Using Open-Drain Output Most CMOS ADCs found in microcontrollers and ASICs have a sampled data comparator input structure. When the ADC charges the sampling cap, it ...
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FIGURE 8. TRIP TEST Digital Output Test Circuit The TRIP TEST pin, normally used to check the operation of the OVERTEMP and OVERTEMP pins, may be used to latch the outputs whenever the temperature exceeds the programmed limit and causes ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 6-Lead LLP-6 Package NS Package Number SDB06A 16 ...
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Notes 17 www.national.com ...
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