LTC2911HTS8-4#TRMPBF

Supervisors Overview

The LTC2911HTS8-4 is a high-accuracy supervisory circuit manufactured by Analog Devices Inc., designed for monitoring multiple voltage rails in embedded systems. It features three independent voltage monitors with adjustable thresholds and a power-fail comparator, housed in an SOT-23-8 package. The device operates with a quiescent current of 10 uA, ensuring minimal impact on system power efficiency. It supports push-pull or open-drain outputs and includes a manual reset input. The component is rated for operation within a temperature range of -40°C to +125°C, making it suitable for industrial applications requiring precise voltage supervision.

Supervisors Feature Summary

• Provides three independent voltage monitoring channels with adjustable threshold detection capabilities
• Integrates a dedicated power-fail comparator for reliable system status indication
• Supports configurable output drive modes including push-pull and open-drain configurations
• Features low quiescent current consumption for enhanced power efficiency in battery-operated devices

Supervisors Applications

• Multi-rail voltage supervision in industrial control systems
• Power management monitoring in portable electronic devices
• System reset generation in embedded microcontroller applications
• Voltage threshold detection in automotive electronics

Supervisors Procurement Notes

Verify the specific suffix 'H' indicates the extended temperature grade (-40°C to +125°C) compared to standard variants. Confirm the '-4' suffix corresponds to the correct pinout and functional configuration for your design. Ensure compatibility with your PCB footprint, specifically the SOT-23-8 package dimensions. Check for RoHS compliance documentation if required by your manufacturing standards. Validate availability through authorized distributors due to potential supply constraints.

Supervisors Selection Notes

Select this component when multi-channel voltage monitoring with high accuracy is required. Consider the adjustable threshold feature for flexible voltage level detection. Evaluate the low quiescent current benefit for power-sensitive applications. Compare against other supervisory ICs based on package size and output drive requirements. Ensure the operating temperature range meets your environmental specifications.

Supervisors Part Context

The LTC2911 belongs to Analog Devices' family of precision supervisory circuits. It complements other products like the LTC2910 and LTC2912, offering varying channel counts and features. This series is designed for applications requiring reliable voltage monitoring and reset generation. The HTS8-4 variant specifically targets high-temperature environments with its extended grade designation.

Supervisors Replacement Considerations

Direct substitutes may include the LTC2911HTS8-1#TRMPBF or LTC2911HTS8-2#TRMPBF, depending on the required threshold configuration and output type. Verify pin compatibility and electrical parameters before substitution. Consult Analog Devices documentation for cross-reference information.