LT1461ACS8-3#TRPBF

Voltage Reference Overview

The LT1461ACS8-3#TRPBF is a micropower precision low dropout series voltage reference manufactured by Analog Devices Inc. It provides a fixed 3V output with an initial accuracy of ±0.04% and a maximum temperature coefficient of 3ppm/°C over the commercial operating range of 0°C to 70°C. The device operates within an input voltage range of 3.5V to 20V, drawing a typical supply current of 35µA. It features a shutdown pin for power management and delivers up to 50mA of output drive current.

Voltage Reference Feature Summary

• Advanced curvature compensation and trimmed thin-film resistors ensure high accuracy and low drift
• Low dropout voltage design maximizes battery life in portable applications
• Integrated shutdown capability allows for system power down and load current switching
• Thermal limiting protects the device from overload conditions

Voltage Reference Applications

• Analog-to-digital and digital-to-analog converters
• Precision regulators
• Handheld instruments
• Power supplies

Voltage Reference Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing this component. Confirm that the ACS8 grade meets the required initial accuracy and temperature coefficient specifications for the target application environment. Ensure the commercial temperature range aligns with system requirements.

Voltage Reference Selection Notes

Select this part for applications requiring high precision with minimal quiescent current consumption. The 3V output is suitable for systems needing a stable reference near common logic levels. Consider the thermal hysteresis characteristics if the device will undergo significant temperature cycling or high power dissipation during operation.

Voltage Reference Part Context

This component belongs to the LT1461 family of micropower bandgap references. The family offers various voltage options including 2.5V, 3.3V, 4.096V, and 5V. The ACS8 designation identifies the specific accuracy and temperature coefficient grade within the commercial temperature range subset of the broader product line.

Voltage Reference Replacement Considerations

LT1461ACS8-3#PBF is the tube version of the same electrical specification.