LT1461CIS8-4#TRPBF

Voltage Reference Overview

The LT1461CIS8-4#TRPBF is a micropower precision low dropout series voltage reference manufactured by Analog Devices Inc. It provides a fixed 4.096V output with an initial accuracy of ±0.08% and a maximum temperature coefficient of 12ppm/°C over the industrial temperature range of –40°C to 85°C. The device operates within an input voltage range of 4.596V 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 in an 8-lead plastic SO package.

Voltage Reference Feature Summary

• Combines high accuracy and low drift with micropower consumption
• Includes a dedicated shutdown pin for system power control
• Features thermal limiting protection against overload conditions

Voltage Reference Applications

• A/D and D/A converters
• Precision regulators
• Handheld instruments
• Power supplies

Voltage Reference Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the CIS8 designation corresponds to the required industrial temperature grade and accuracy class. Ensure the component matches the manufacturer's official ordering information to avoid compatibility issues with existing designs.

Voltage Reference Selection Notes

Select this part for applications requiring a stable 4.096V reference with strict accuracy constraints in industrial environments. Consider the 35µA supply current for battery-operated systems. Evaluate the need for the shutdown feature if power management is critical. Verify that the 8-lead SO package fits the available board space.

Voltage Reference Part Context

This component belongs to the LT1461 family of micropower precision low dropout series voltage references. The family offers various output voltages and accuracy grades. The CIS8 variant specifically targets industrial temperature ranges with defined initial accuracy and temperature coefficient specifications suitable for precision measurement systems.

Voltage Reference Replacement Considerations

LT1461CIS8-4#PBF is the tube version of the same electrical specification.