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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/LATCH 8MSOP
- Series：UltraFast™
- Mfr：Analog Devices Inc.
- Package：Tube
- 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)：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：-40°C ~ 85°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 LT1711IMS8 is a single UltraFast comparator from Analog Devices featuring rail-to-rail inputs and complementary outputs. It operates on a single supply of 2.4V to 12V or dual supplies of ±2.4V to ±6V. The device includes an internal latch for data retention and offers propagation delays as low as 4.5ns at 20mV overdrive. It provides high common mode rejection and input offset voltage stability, suitable for precision timing applications.
Feature Summary
- Rail-to-rail input common mode range extending beyond supply rails without phase reversal
- Complementary CMOS/TTL compatible outputs capable of sourcing and sinking significant current
- Internal latch with hysteresis for retaining output states against noisy signals
Applications
- High speed automatic test equipment
- Current sense circuits for switching regulators
- Crystal oscillator circuits
- Window comparators
Procurement Notes
Verify the specific suffix IMS8 corresponds to the industrial temperature grade (-40°C to 85°C) and MSOP-8 package. Confirm RoHS compliance status via the manufacturer's latest documentation. Ensure the ordering part number matches the required lead frame finish and tape/reel specifications if applicable.
Selection Notes
Select this component when ultra-fast response times near 4.5ns are critical alongside rail-to-rail signal compatibility. The integrated latch feature simplifies interface logic by holding data states. Consider the power supply flexibility for systems requiring operation across varying voltage levels from 2.4V up to 12V.
Part Context
This part belongs to the LT1711/LT1712 family of UltraFast comparators designed for high-speed analog signal processing. The LT1711 variant specifically provides a single channel in an 8-lead MSOP package, distinguishing it from the dual-channel LT1712. It shares architectural similarities with the LT1713 but offers higher speed performance.
Replacement Considerations
LT1713CMS8#PBF
FAQ
How does the input common mode range behave when exceeding supply rails?
The rail-to-rail inputs extend 100mV beyond both supply rails. Outputs remain protected against phase reversal even if inputs extend further beyond the rails.
What is the function of the LATCH ENABLE pin?
Holding the LATCH ENABLE pin high retains the current input data at the output. The pin features built-in hysteresis to protect against slow-moving or noisy latch signals.
