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Product Detailed Parameters
- Description：IC COMPARATOR 2 W/VOLT REF 6DFN
- Series：Over-The-Top®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Type：with Voltage Reference
- Number of Elements：2
- Output Type：Open-Collector
- Voltage - Supply, Single/Dual (±)：1.4V ~ 18V
- Voltage - Input Offset (Max)：-
- Current - Input Bias (Max)：0.01µA @ 18V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：19µA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：29µs
- Hysteresis：13.5mV
- Operating Temperature：-40°C ~ 125°C
- Package / Case：6-WFDFN Exposed Pad
- Mounting Type：Surface Mount
- Supplier Device Package：6-DFN (2x3)
- Grade：-
- Qualification：-
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Overview
The LT6700HDCB-2#TRPBF is a micropower, low voltage dual comparator featuring an internal 400mV reference. It operates with supply voltages from 1.4V to 18V and draws a typical quiescent current of 6.5µA at 5V. The device includes two inverting inputs and open-collector outputs capable of sinking greater than 5mA. It is housed in a 6-lead DFN package and specified for operation from –40°C to 125°C.
Feature Summary
- Integrates two comparators with a fixed 400mV internal reference
- Features open-collector outputs allowing level translation up to 18V
- Includes internal hysteresis to ensure stable output operation
- Supports Over-The-Top input operation independent of supply voltage
Applications
- Battery-powered system monitoring
- Threshold detectors
- Window comparators
- Relay driving
- Industrial control systems
Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the H grade corresponds to the –40°C to 125°C temperature range required for the application. Ensure the DCB package dimensions match the PCB footprint design constraints before finalizing procurement.
Selection Notes
Select this part for applications requiring low quiescent current and high input voltage tolerance relative to the supply rail. The dual inverting configuration suits threshold detection where signals exceed the internal reference. Consider the LT6700HV variant if input or output voltages must reach 36V.
Part Context
This component belongs to the LT6700 family of micropower comparators. It shares core specifications with other variants differing primarily in input polarity (inverting vs non-inverting) and temperature grades. The DCB package offers a compact surface-mount solution suitable for space-constrained designs.
Replacement Considerations
LT6700IDCB-2#TRPBF
FAQ
What is the function of the second input on each comparator?
For the LT6700-2 variant, both inputs are inverting. One input is available externally, while the other is internally connected to the 400mV reference.
Can the output voltage exceed the supply voltage?
Yes, the open-collector outputs can withstand off-state voltages up to 18V above ground, regardless of the VS supply voltage used.
