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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR TSOT23-6
- Series：UltraFast™
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Type：General Purpose
- Number of Elements：1
- Output Type：CMOS, Rail-to-Rail, TTL
- Voltage - Supply, Single/Dual (±)：2.7V ~ 6V
- Voltage - Input Offset (Max)：2.5mV @ 5V
- Current - Input Bias (Max)：6µA @ 5V
- Current - Output (Typ)：20mA
- Current - Quiescent (Max)：9mA
- CMRR, PSRR (Typ)：65dB CMRR, 80dB PSRR
- Propagation Delay (Max)：13ns
- Hysteresis：7mV
- Operating Temperature：-40°C ~ 85°C
- Package / Case：SOT-23-6 Thin, TSOT-23-6
- Mounting Type：Surface Mount
- Supplier Device Package：TSOT-23-6
- Grade：-
- Qualification：-
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Overview
The LT1719IS6#TR is a single UltraFast comparator in a TSOT-23-6 package. It operates on a single supply voltage of 2.7V to 6V with a typical quiescent current of 4.2mA at 3V. The device features rail-to-rail CMOS/TTL compatible outputs and includes internal hysteresis. Key electrical parameters include a propagation delay of 4.5ns at 20mV overdrive, an input offset voltage maximum of 2.5mV at 5V, and an input bias current of 6µA max at 5V. It supports a shutdown mode for low power consumption.
Feature Summary
- UltraFast response time optimized for low voltage operation
- Rail-to-rail output compatible with TTL and CMOS logic levels
- Integrated internal hysteresis for stable switching with slow signals
- Low power shutdown mode extending battery life in portable applications
Applications
- High speed differential line receivers
- Crystal oscillator circuits
- Level translators
- Threshold detectors and discriminators
- Zero-crossing detectors
Procurement Notes
Verify the specific suffix TRPBF indicates tape and reel packaging when sourcing. Confirm the IS6 designation corresponds to the industrial temperature range (-40°C to 85°C) and the TSOT-23-6 package. Ensure compatibility with the required supply voltage range of 2.7V to 6V for your application design.
Selection Notes
Select this component for designs requiring high-speed comparison in space-constrained PCB layouts due to the small TSOT-23-6 footprint. It is suitable for single-supply systems where rail-to-rail output swing simplifies interfacing with digital logic. Consider the separate shutdown pin if power management during idle states is a priority.
Part Context
This part belongs to the LT1719 family of UltraFast comparators manufactured by Analog Devices Inc. (formerly Linear Technology). The IS6 variant specifically denotes the industrial temperature grade and the 6-lead thin SOT-23 package. It shares performance characteristics with other variants like the SO-8 packaged versions but offers a more compact solution for surface mount assembly.
Replacement Considerations
LT1719CS6#TRPBF: Commercial grade version of the same package.
FAQ
How does the internal hysteresis affect the comparator's operation?
The LT1719 includes approximately 4mV of internal hysteresis, which prevents oscillation when processing slowly moving input signals or noisy environments without requiring external feedback components.
What is the function of the SHDN pin?
The SHDN pin controls the shutdown mode. Pulling it low enables the comparator, while pulling it high disables the device, reducing supply current to less than 1µA for extended battery life in portable applications.
