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Product Detailed Parameters
- Description：IC COMPARATOR 2 GEN PUR 8DFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：2
- Output Type：CMOS, Push-Pull, Rail-to-Rail, TTL
- Voltage - Supply, Single/Dual (±)：1.7V ~ 5.5V
- Voltage - Input Offset (Max)：3.5mV @ 3V
- Current - Input Bias (Max)：-
- Current - Output (Typ)：-
- Current - Quiescent (Max)：32µA
- CMRR, PSRR (Typ)：70dB CMRR, 65dB PSRR
- Propagation Delay (Max)：450ns
- Hysteresis：7.2mV
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-WFDFN Exposed Pad
- Mounting Type：Surface Mount
- Supplier Device Package：8-DFN (2x2)
- Grade：-
- Qualification：-
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Overview
The LTC6702IDC#TRMPBF is a dual micropower comparator in an 8-lead 2mm × 2mm DFN package. It operates on supplies between 1.7V and 5.5V with a maximum propagation delay of 500ns and quiescent current of 30μA per comparator. The device features internal hysteresis, rail-to-rail push-pull outputs, and inputs extending 100mV below ground.
Feature Summary
- Micropower operation with low supply current consumption
- Internal hysteresis for noise immunity
- Rail-to-rail CMOS output stage compatible with TTL and CMOS logic
- Input voltage range extends 100mV below ground
Applications
- Battery powered systems
- Window comparators
- Threshold detectors and discriminators
- Clock regeneration
- Automotive sensing and controls
Procurement Notes
Verify the specific temperature grade (I) and package type (DC) against project requirements. Confirm RoHS compliance and lead-free finish status. Ensure the exposed pad is properly soldered to the PCB ground plane for thermal management and electrical connection as specified in the datasheet.
Selection Notes
Select this component for applications requiring small footprint and low power consumption. The internal hysteresis simplifies design by reducing sensitivity to input noise. Verify that the required propagation delay and toggle frequency meet system timing constraints within the specified operating temperature range.
Part Context
This part belongs to the LTC6702 family of tiny micropower dual comparators. It shares functional characteristics with other variants differing primarily in temperature grades and packaging options such as TSOT-23. The IDC suffix indicates the 8-lead DFN package configuration.
Replacement Considerations
LTC6702CDC#TRMPBF
FAQ
How does the internal hysteresis affect the switching threshold?
The built-in hysteresis desensitizes the comparator to input noise. Actual output switching occurs within approximately ±2.2mV of the reference voltage, plus or minus the input offset voltage.
What is the maximum toggle frequency of the LTC6702?
The maximum toggle frequency is specified at 3.2MHz under typical conditions.
