LTC6253IMS-7#TRPBF

Instrumentation, Op Amps, Buffer Amps Overview

The LTC6253IMS-7#TRPBF is a dual high-speed, low-power operational amplifier featuring rail-to-rail input and output capabilities. It operates on supply voltages from 2.5V to 5.25V with a quiescent current of 3.5mA per amplifier. Key electrical specifications include a gain-bandwidth product of 2GHz, a slew rate of 500V/µs, and an input voltage noise density of 2.75nV/√Hz. The device includes independent shutdown pins that reduce current consumption to 42µA when disabled.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Dual-channel architecture with independent shutdown control for each amplifier section
• Rail-to-rail input and output signal range extending across the full supply voltage span
• High-speed performance characterized by a 2GHz gain-bandwidth product and 500V/µs slew rate
• Low power efficiency maintaining operation at 3.5mA supply current per channel

Instrumentation, Op Amps, Buffer Amps Applications

• Low voltage, high frequency signal processing systems
• Driving analog-to-digital converters (ADCs)
• Rail-to-rail buffer amplifiers
• Active filter circuits

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'IMS-7' corresponds to the industrial temperature grade (-40°C to 85°C) and MSOP-10 package configuration. Confirm the '#TRPBF' designation indicates tape and reel packaging with lead-free finish. Cross-reference the manufacturer's latest documentation to ensure component availability and compliance with current environmental standards before finalizing procurement plans.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for applications requiring high bandwidth and low power consumption within a single supply voltage range of 2.5V to 5.25V. Ensure the closed-loop noise gain is set to 7 or higher to maintain stability. Consider the thermal resistance of the MSOP-10 package and implement adequate PCB copper area for heat dissipation if driving heavy loads or operating at elevated temperatures.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LTC6253 family of dual rail-to-rail op amps. The IMS-7 variant specifically denotes the industrial temperature range and a fixed gain stability of 7. It shares architectural similarities with other members like the IDC and HMS packages but differs in temperature rating and physical footprint. The -7 suffix indicates it is optimized for stability at a noise gain of 7, distinguishing it from unity-gain stable variants.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult Analog Devices official documentation for qualified substitute part numbers. Verify pin compatibility and electrical parameter alignment, particularly regarding gain stability requirements and package dimensions, before implementing any cross-references.

Instrumentation, Op Amps, Buffer Amps FAQ

What is the minimum closed-loop noise gain required for stability?

The LTC6253-7 is stable for closed-loop noise gains of 7 or higher.

How does the shutdown function affect power consumption?

Asserting the SHDN pin disables the amplifier and reduces the supply current consumption to approximately 42µA.