LT1711CMS8#PBF

Overview

The LT1711CMS8#PBF is a single UltraFast comparator in an 8-lead MSOP package. It features rail-to-rail inputs and complementary outputs compatible with TTL/CMOS logic. The device operates on single supplies from 2.4V to 12V or dual supplies from ±2.4V to ±6V. Key electrical parameters include a propagation delay of 4.5ns at 20mV overdrive, input offset voltage of 5mV, and supply current of 19mA per comparator at 5V. It includes an internal latch for data retention.

Feature Summary

• Rail-to-rail input common mode range extending beyond supply rails without phase reversal
• Internal TTL/CMOS compatible latch for output data retention
• Complementary outputs capable of driving standard logic loads directly
• High-speed performance optimized for low-voltage power supplies

Applications

• High speed automatic test equipment
• Current sense circuits for switching regulators
• Crystal oscillator circuits
• High speed sampling circuits
• Fast pulse height/width discriminators

Procurement Notes

Verify the suffix CMS8 corresponds to the commercial temperature grade (-40°C to 85°C) and MSOP package. Confirm RoHS compliance status as specified by Analog Devices. Ensure the ordering part number matches the exact pinout and latch functionality required for the design.

Selection Notes

Select this component when ultra-fast response times are critical alongside low voltage operation. The integrated latch simplifies digital interfacing by holding comparison results. Consider the high supply current consumption compared to lower-speed alternatives. Verify that the source impedance remains low to minimize bias current effects.

Part Context

This part belongs to the LT1711/LT1712 family of UltraFast comparators. It serves as the single-channel version of the dual-channel LT1712. The series is designed for applications requiring precise timing and fast transition detection in compact surface-mount packages.

Replacement Considerations

LT1713CMS8#PBF offers similar functionality with slightly different speed and current characteristics.