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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/LATCH 8MSOP
- Series：UltraFast™
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：with Latch
- Number of Elements：1
- Output Type：CMOS, Complementary, Rail-to-Rail, TTL
- Voltage - Supply, Single/Dual (±)：2.4V ~ 12V, ±2.4V ~ 6V
- Voltage - Input Offset (Max)：5.5mV @ 5V
- Current - Input Bias (Max)：5µA @ 5V
- Current - Output (Typ)：20mA
- Current - Quiescent (Max)：22mA
- CMRR, PSRR (Typ)：75dB CMRR, 85dB PSRR
- Propagation Delay (Max)：6ns
- Hysteresis：-
- Operating Temperature：0°C ~ 70°C
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-MSOP
- Grade：-
- Qualification：-
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Overview
The LT1711CMS8#TRPBF is a single UltraFast comparator from Analog Devices, housed in an 8-lead MSOP package. It features rail-to-rail inputs and complementary outputs, supporting supply voltages from 2.4V to 12V or dual supplies of ±2.4V to ±6V. The device offers a typical propagation delay of 4.5ns at 20mV overdrive and includes an internal TTL/CMOS compatible latch for data retention. It operates within a temperature range of -40°C to 85°C.
Feature Summary
- Rail-to-rail input common mode range extends beyond supply rails without phase reversal.
- Complementary outputs interface directly with TTL or CMOS logic levels.
- Internal latch retains output state when the latch enable pin is held high.
Applications
- High speed automatic test equipment
- Current sense circuits for switching regulators
- Crystal oscillator circuits
- High speed sampling circuits
- Window comparators
Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging. Confirm the 'C' grade meets industrial temperature requirements (-40°C to 85°C). Ensure the 8-lead MSOP footprint matches the PCB design. Check for RoHS compliance status as indicated in official documentation.
Selection Notes
Select this component for applications requiring fast response times and rail-to-rail signal compatibility. The integrated latch simplifies digital interfacing by holding data states. Consider the low input bias current and high common mode rejection for precision sensing tasks.
Part Context
This part belongs to the LT1711/LT1712 family of UltraFast comparators. The LT1711 is the single-channel version, while the LT1712 provides dual channels. Both share similar electrical characteristics but differ in package options and channel count.
Replacement Considerations
LT1713CMS8#TRPBF: Similar performance with lower power consumption. LT1719IS8#TRPBF: Comparable speed with level shifting capabilities. Verify pinout compatibility and electrical specifications before substitution.
FAQ
What is the maximum supply voltage for the LT1711?
The positive supply voltage range is up to 12V, allowing operation from 2.4V to 12V on a single supply or ±2.4V to ±6V on dual supplies.
How does the latch function work?
When the latch enable pin is held high, the output retains the last state of the input signals. The latch has built-in hysteresis to protect against noisy latch signals.
