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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR TSOT23-5
- Series：Over-The-Top®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：1
- 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)：17µA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：29µs
- Hysteresis：13.5mV
- Operating Temperature：-40°C ~ 125°C
- Package / Case：SOT-23-5 Thin, TSOT-23-5
- Mounting Type：Surface Mount
- Supplier Device Package：TSOT-23-5
- Grade：-
- Qualification：-
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Overview
The LT6703HVHS5-3#TRPBF is a micropower, low voltage comparator with an internal 400mV reference. It operates on a single supply from 1.4V to 18V and features an Over-The-Top input capable of handling voltages up to 36V relative to ground. The device utilizes a noninverting input configuration housed in a 5-lead TSOT-23 package. Key electrical characteristics include a typical quiescent current of 6.5μA at 5V, a maximum total threshold error of ±1.25% at 25°C, and an open-collector output with a guaranteed sink capability exceeding 5mA.
Feature Summary
- Integrates a precise 400mV internal reference for simplified threshold detection without external components.
- Supports Over-The-Top inputs and outputs, allowing signal levels significantly higher than the supply voltage.
- Includes built-in hysteresis to ensure stable operation and reject noise during state transitions.
- Features an open-collector output stage that facilitates level translation between different voltage domains.
Applications
- Battery-powered system monitoring
- Threshold detectors
- Window comparators
- Relay driving circuits
- Automotive monitor and controls
Procurement Notes
Verify the specific suffix 'H' indicates the industrial/automotive temperature grade (-40°C to 125°C) and 'S5' denotes the TSOT-23 package. Confirm the '3' suffix corresponds to the noninverting input polarity required by your schematic. Ensure the HV variant is necessary for your high-voltage input requirements compared to standard versions.
Selection Notes
Select this component when high input voltage tolerance relative to the supply rail is required. The noninverting input configuration suits applications where the signal must exceed the reference to trigger a high state. Consider the 6.5μA quiescent current for battery life constraints and verify that the open-collector output interface matches the downstream logic requirements.
Part Context
This part belongs to the LT6703HV family of micropower comparators. It shares architectural similarities with the LT6703-3 but offers extended input and output voltage capabilities up to 36V. It is designed for low-power applications requiring reliable threshold detection in noisy environments or systems with varying supply voltages.
Replacement Considerations
LT6703HVIS5-3#TRPBF (Industrial Temp, Same Package)
FAQ
What is the difference between the LT6703-3 and LT6703HV-3?
The LT6703HV-3 supports input and output voltages up to 36V, whereas the standard LT6703-3 is limited to 18V. Both share the same 1.4V to 18V supply range and noninverting input configuration.
How does the internal hysteresis function?
The device includes approximately 6.5mV of typical internal hysteresis to prevent output oscillation due to noise near the threshold. This value is fixed internally, though external feedback can be added to increase it if needed.
