LTC2905ITS8#TRPBF

Supervisors Overview

The LTC2905ITS8#TRPBF is a precision dual supply monitor manufactured by Analog Devices Inc. It operates within an input voltage range of 1 V to 7 V and features pin-selectable threshold voltages for two monitored inputs. The device provides open-drain reset outputs with a fixed 200 ms reset delay time. It maintains an accuracy of 1.5% and draws a typical operating supply current of 65 uA. Designed for surface mount installation, it is housed in an SOT-23-8 package and functions reliably across a temperature range of -40°C to +85°C.

Supervisors Feature Summary

• Dual supply monitoring capability with pin-selectable threshold configurations
• Open-drain output structure supporting low-active reset signaling
• Fixed 200 ms reset delay ensures stable power-up sequencing

Supervisors Applications

• Multi-rail system power supervision
• Battery-powered equipment voltage monitoring
• Embedded controller power integrity verification

Supervisors Procurement Notes

Verify the specific suffix and tape-and-reel packaging designation against official Analog Devices documentation before procurement. Confirm that the pin-selectable threshold configuration matches the required design parameters. Ensure compatibility with the target operating temperature range and voltage limits specified in the datasheet to prevent functional deviations.

Supervisors Selection Notes

Select this component when precise dual-voltage supervision is required in space-constrained designs. The pin-selectable thresholds simplify hardware configuration without external resistors. Consider the 65 uA quiescent current for battery efficiency requirements. Verify that the SOT-23-8 package fits the available PCB footprint and thermal constraints.

Supervisors Part Context

This part belongs to the LTC2905 series of precision dual supply monitors from Analog Devices. It shares the core functionality with variants like LTC2905CDDB but differs in package type and industrial temperature rating. The ITS8 suffix indicates the TSOT-23-8 package suitable for high-density surface mount applications.

Supervisors FAQ

How are the threshold voltages configured?

The threshold voltages for both monitored supplies are configured via dedicated pins on the IC, allowing for selectable preset values without external resistor dividers.

What is the reset output type?

The device features an open-drain reset output that goes active low when any monitored supply falls below its respective threshold.