LT1461BCS8-3.3#PBF

Voltage Reference Overview

The LT1461BCS8-3.3#PBF is a micropower precision low dropout series voltage reference manufactured by Analog Devices Inc. It provides a fixed 3.3V output with an initial accuracy of ±0.06% and a maximum temperature coefficient of 7ppm/°C. The device operates within a commercial temperature range of 0°C to 70°C and draws a maximum supply current of 50µA. It features a minimum output drive capability of 50mA and maintains stability with a maximum dropout voltage of 300mV.

Voltage Reference Feature Summary

• Combines high accuracy and low drift with micropower consumption and high output drive capability
• Utilizes advanced curvature compensation techniques for low temperature coefficient performance
• Incorporates trimmed precision thin-film resistors to achieve specified output accuracy
• Includes power shutdown functionality and thermal limiting protection

Voltage Reference Applications

• A/D and D/A Converters
• Precision Regulators
• Handheld Instruments
• Power Supplies

Voltage Reference Procurement Notes

Verify the specific ordering suffix matches the required package type and temperature grade. Confirm lead-free finish availability and ensure the component meets RoHS compliance standards. Check for automotive qualification requirements if applicable, as standard commercial parts differ from AEC-Q100 qualified versions.

Voltage Reference Selection Notes

Select this part when a fixed 3.3V reference with ±0.06% accuracy is required in commercial environments. Ensure input voltage remains within the specified operating range relative to the output. Consider thermal management strategies to maintain junction temperatures below 125°C for optimal long-term stability.

Voltage Reference Part Context

This component belongs to the LT1461 family of micropower precision low dropout series voltage references. The 'B' designation indicates the specific accuracy and temperature coefficient tier within the product line. It is available in various output voltages and temperature grades, including industrial and high-temperature options.

Voltage Reference Replacement Considerations

LT1461BCS8-3.3#TRPBF serves as the tape and reel equivalent for automated assembly processes.