LT6700 - Micropower, Low Voltage, Dual Comparator with 400mV Reference

The LT6700/LT6700HV combine two micropower, low voltage comparators with a 400mV reference in a 6-lead SOT-23 or 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 comparators, easing design requirements to insure stable output operation.

The comparators each have one input available externally; the other inputs are connected internally to the reference. The comparator outputs are open collector and the output load can be referred to any voltage up to 18V (36V for LT6700HV), independent of supply voltage. The output stage sinking capability is guaranteed to be greater than 5mA over temperature.

The three versions of this part differ by the polarity of the available comparator inputs. The LT6700-1/ LT6700HV-1 has one inverting input and one noninverting input, making it suitable for use as a window comparator. The LT6700-2/LT6700HV-2 has two inverting inputs and the LT6700-3/LT6700HV-3 has two noninverting inputs. All versions are offered in commercial, industrial and automotive temperature ranges.

Features
  • Internal 400mV Reference
  • Total Threshold Error: ±1.25% Max at 25°C
  • Inputs and Outputs Operate to 36V
  • Wide Supply Range: 1.4V to 18V
  • Specified for –55°C to 125°C Temperature Range
  • Low Quiescent Current: 6.5μA Typ at 5V
  • Internal Hysteresis: 6.5mV Typ
  • Low Input Bias Current: ±10nA Max
  • Over-The-Top® Input also Includes Ground
  • Open-Collector Outputs Allow Level Translation
  • Choice of Input Polarities: LT6700-1/LT6700-2/ LT6700-3/LT6700HV-1/LT6700HV-2/LT6700HV-3
  • Available in Low Profile (1mm) SOT-23 (ThinSOT™) and 2mm × 3mm DFN Packages
Typical Application
LT6700 Typical Application
LT6700 Typical Application
Applications
  • Battery-Powered System Monitoring
  • Threshold Detectors
  • Window Comparators
  • Relay Driving
  • Industrial Control Systems
  • Handheld Instruments
  • Automotive Monitor and Controls
Packaging
LT6700 Package Drawing
LT6700 Package Drawing
LT6700 Package Drawing
LT6700 Package Drawing
LT6700 Package Drawing
LT6700 Package Drawing
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LT6700CDCB-1#PBF2x3 DFN-6C$1.93
LT6700CDCB-1#TRMPBF2x3 DFN-6C$1.93$1.37
LT6700CDCB-1#TRPBF2x3 DFN-6C$1.93$1.35
LT6700CDCB-2#PBF2x3 DFN-6C$1.93
LT6700CDCB-2#TRMPBF2x3 DFN-6C$1.93$1.37
LT6700CDCB-2#TRPBF2x3 DFN-6C$1.93$1.35
LT6700CDCB-3#PBF2x3 DFN-6C$1.93
LT6700CDCB-3#TRMPBF2x3 DFN-6C$1.93$1.37
LT6700CDCB-3#TRPBF2x3 DFN-6C$1.93$1.35
LT6700CS6-1#PBFSOT-23C$2.15
LT6700CS6-1#TRMPBFSOT-23C$2.15$1.27
LT6700CS6-1#TRPBFSOT-23C$2.15$1.25
LT6700CS6-2#PBFSOT-23C$2.15
LT6700CS6-2#TRMPBFSOT-23C$2.15$1.27
LT6700CS6-2#TRPBFSOT-23C$2.15$1.25
LT6700CS6-3#PBFSOT-23C$2.15
LT6700CS6-3#TRMPBFSOT-23C$2.15$1.27
LT6700CS6-3#TRPBFSOT-23C$2.15$1.25
LT6700HDCB-1#PBF2x3 DFN-6H$2.46
LT6700HDCB-1#TRMPBF2x3 DFN-6H$2.46$1.75
LT6700HDCB-1#TRPBF2x3 DFN-6H$2.46$1.73
LT6700HDCB-2#PBF2x3 DFN-6H$2.46
LT6700HDCB-2#TRMPBF2x3 DFN-6H$2.46$1.75
LT6700HDCB-2#TRPBF2x3 DFN-6H$2.46$1.73
LT6700HDCB-3#PBF2x3 DFN-6H$2.46
LT6700HDCB-3#TRMPBF2x3 DFN-6H$2.46$1.75
LT6700HDCB-3#TRPBF2x3 DFN-6H$2.46$1.73
LT6700HS6-1#PBFSOT-23H$2.77
LT6700HS6-1#TRMPBFSOT-23H$2.77$1.71
LT6700HS6-1#TRPBFSOT-23H$2.77$1.69
LT6700HS6-2#PBFSOT-23H$2.77
LT6700HS6-2#TRMPBFSOT-23H$2.77$1.71
LT6700HS6-2#TRPBFSOT-23H$2.77$1.69
LT6700HS6-3#PBFSOT-23H$2.77
LT6700HS6-3#TRMPBFSOT-23H$2.77$1.71
LT6700HS6-3#TRPBFSOT-23H$2.77$1.69
LT6700HVCS6-1#PBFSOT-23C$2.07
LT6700HVCS6-1#TRMPBFSOT-23C$2.07$1.54
LT6700HVCS6-1#TRPBFSOT-23C$2.07$1.49
LT6700HVCS6-2#PBFSOT-23C$2.07
LT6700HVCS6-2#TRMPBFSOT-23C$2.07$1.54
LT6700HVCS6-2#TRPBFSOT-23C$2.07$1.49
LT6700HVCS6-3#PBFSOT-23C$2.07
LT6700HVCS6-3#TRMPBFSOT-23C$2.07$1.54
LT6700HVCS6-3#TRPBFSOT-23C$2.07$1.49
LT6700HVHS6-1#PBFSOT-23H$2.65
LT6700HVHS6-1#TRMPBFSOT-23H$2.65$1.95
LT6700HVHS6-1#TRPBFSOT-23H$2.65$1.90
LT6700HVHS6-2#PBFSOT-23H$2.65
LT6700HVHS6-2#TRMPBFSOT-23H$2.65$1.95
LT6700HVHS6-2#TRPBFSOT-23H$2.65$1.90
LT6700HVHS6-3#PBFSOT-23H$2.65
LT6700HVHS6-3#TRMPBFSOT-23H$2.65$1.95
LT6700HVHS6-3#TRPBFSOT-23H$2.65$1.90
LT6700HVIS6-1#PBFSOT-23I$2.45
LT6700HVIS6-1#TRMPBFSOT-23I$2.45$1.81
LT6700HVIS6-1#TRPBFSOT-23I$2.45$1.76
LT6700HVIS6-2#PBFSOT-23I$2.45
LT6700HVIS6-2#TRMPBFSOT-23I$2.45$1.81
LT6700HVIS6-2#TRPBFSOT-23I$2.45$1.76
LT6700HVIS6-3#PBFSOT-23I$2.45
LT6700HVIS6-3#TRMPBFSOT-23I$2.45$1.81
LT6700HVIS6-3#TRPBFSOT-23I$2.45$1.76
LT6700IDCB-1#PBF2x3 DFN-6I$2.28
LT6700IDCB-1#TRMPBF2x3 DFN-6I$2.28$1.62
LT6700IDCB-1#TRPBF2x3 DFN-6I$2.28$1.60
LT6700IDCB-2#PBF2x3 DFN-6I$2.28
LT6700IDCB-2#TRMPBF2x3 DFN-6I$2.28$1.62
LT6700IDCB-2#TRPBF2x3 DFN-6I$2.28$1.60
LT6700IDCB-3#PBF2x3 DFN-6I$2.28
LT6700IDCB-3#TRMPBF2x3 DFN-6I$2.28$1.62
LT6700IDCB-3#TRPBF2x3 DFN-6I$2.28$1.60
LT6700IS6-1#PBFSOT-23I$2.56
LT6700IS6-1#TRMPBFSOT-23I$2.56$1.58
LT6700IS6-1#TRPBFSOT-23I$2.56$1.56
LT6700IS6-2#PBFSOT-23I$2.56
LT6700IS6-2#TRMPBFSOT-23I$2.56$1.58
LT6700IS6-2#TRPBFSOT-23I$2.56$1.56
LT6700IS6-3#PBFSOT-23I$2.56
LT6700IS6-3#TRMPBFSOT-23I$2.56$1.58
LT6700IS6-3#TRPBFSOT-23I$2.56$1.56
LT6700MPDCB-1#PBF2x3 DFN-6MP$5.79
LT6700MPDCB-1#TRMPBF2x3 DFN-6MP$5.74$4.17
LT6700MPDCB-1#TRPBF2x3 DFN-6MP$4.12
LT6700MPDCB-2#PBF2x3 DFN-6MP$5.74
LT6700MPDCB-2#TRMPBF2x3 DFN-6MP$5.74$4.17
LT6700MPDCB-2#TRPBF2x3 DFN-6MP$4.12
LT6700MPDCB-3#PBF2x3 DFN-6MP$5.74
LT6700MPDCB-3#TRMPBF2x3 DFN-6MP$5.74$4.17
LT6700MPDCB-3#TRPBF2x3 DFN-6MP$4.12
LT6700MPS6-1#PBFSOT-23MP$5.74
LT6700MPS6-1#TRMPBFSOT-23MP$5.74$4.17
LT6700MPS6-1#TRPBFSOT-23MP$4.12
LT6700MPS6-2#PBFSOT-23MP$5.74
LT6700MPS6-2#TRMPBFSOT-23MP$5.74$4.17
LT6700MPS6-2#TRPBFSOT-23MP$4.12
LT6700MPS6-3#PBFSOT-23MP$5.74
LT6700MPS6-3#TRMPBFSOT-23MP$5.74$4.17
LT6700MPS6-3#TRPBFSOT-23MP$4.12
Datasheet
Design Note
Reliability Data
Product Selector Card
CAD Symbol
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LT6700 Footprints and Symbols
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