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LT6703-2 Datasheet(PDF) 1 Page - Linear Technology |
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LT6703-2 Datasheet(HTML) 1 Page - Linear Technology |
1 / 14 page LT6703-2/LT6703-3 LT6703HV-2/LT6703HV-3 1 670323fd Micropower Supply Voltage Monitor APPLICATIONS n Battery-Powered System Monitoring n Threshold Detectors n Window Comparators n Relay Driving n Industrial Control Systems n Handheld Instruments n Automotive Monitor and Controls FEATURES DESCRIPTION Micropower, Low Voltage Comparator with 400mV Reference The LT®6703-2/LT6703-3/LT6703HV-2/LT6703HV-3 com- bine a micropower, low voltage comparator with a 400mV reference in a tiny DFN package. Operating with supplies from 1.4V up to 18V, these devices draw only 6.5μA, making them ideal for low voltage system monitoring. Hysteresis is included in the comparator, ensuring stable operation. The comparator has one input available externally while the other input is connected internally to the reference. The comparator output is open collector and the output load can be referred to any voltage up to 18V (36V for LT6703HV) independent of supply voltage. The output stage has a guaranteed current sink capability of more than 5mA over temperature. The two versions of this part differ by the polarity of the available comparator input. The LT6703-2/LT6703HV-2 has an inverting input and the LT6703-3/LT6703HV-3 has a noninverting input. Both versions are offered in com- mercial, industrial and automotive temperature ranges. n Internal 400mV Reference n Total Threshold Error: ±1.25% Max at 25°C n Wide Supply Range: 1.4V to 18V n Input and Output Operate to 36V n Specified for –40°C to 125°C Temperature Range n Low Quiescent Current: 6.5μA Typ at 5V n Internal Hysteresis: 6.5mV Typ n Low Input Bias Current: ±10nA Max n Over-The-Top® Input also Includes Ground n Open-Collector Output Allows Level Translation n Choice of Input Polarities: LT6703-2/LT6703-3/ LT6703HV-2/LT6703HV-3 n Available in 2mm × 2mm DFN and Low Profile (1mm) SOT-23 (ThinSOT™) Packages Rising Input Threshold Voltage vs Temperature 670323 TA01 + – 400mV REFERENCE OUT 1MΩ 154k 0.1μF 1MΩ VS +IN GND VS 1.4V ≤ VIN ≤ 18V (VTH = 3V) LT6703-3 TEMPERATURE (°C) –60 –40 400 401 402 100 120 670323 TA01b 399 398 –20 0 20406080 397 404 403 396 FOUR TYPICAL PARTS VS = 5V #1 #2 #3 #4 TYPICAL APPLICATION L, LT, LTC, LTM, Linear Technology, the Linear logo and Over-The-Top are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. |
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