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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-3#TRMPBF is a micropower, low voltage dual comparator with an internal 400mV reference. It operates on supplies from 1.4V to 18V and draws 6.5µA typical quiescent current at 5V. The device features two noninverting inputs and open-collector outputs capable of sinking over 5mA. Inputs and outputs operate up to 18V. It is specified for temperatures from -40°C to 125°C.
Feature Summary
- Integrates two comparators with a fixed 400mV internal reference
- Features open-collector outputs allowing level translation independent of supply voltage
- Includes internal hysteresis to ensure stable output operation
- Supports wide supply ranges from 1.4V to 18V
Applications
- Battery-powered system monitoring
- Threshold detectors
- Window comparators
- Relay driving
- Industrial control systems
Procurement Notes
Verify the specific suffix DCB-3 indicates the DFN package and dual noninverting input configuration. Confirm the H grade matches the required -40°C to 125°C operating temperature range. Ensure the TRMPBF suffix corresponds to the mini tape and reel packaging format required for assembly.
Selection Notes
Select this variant when both comparator inputs require noninverting logic relative to the internal reference. The DCB package offers a compact footprint suitable for space-constrained designs. Verify that the 18V input/output rating meets the application's voltage requirements instead of the HV version.
Part Context
This component belongs to the LT6700 family of micropower comparators. The DCB-3 designation specifies the 6-lead DFN package and the polarity of the external inputs. Other variants in the series include SOT-23 packages and different input polarities such as mixed or inverting configurations.
Replacement Considerations
LT6700IDCB-3#TRMPBF
FAQ
What is the function of the third digit in the part number?
The digit '3' indicates that both Comparator A and Comparator B have noninverting external inputs.
How does the open-collector output benefit the design?
It allows the output load to be referred to any voltage up to 18V, independent of the supply voltage used for the comparator core.
