LT1461ACS8-4#TRPBF

Voltage Reference Overview

The LT1461ACS8-4#TRPBF is a micropower precision low dropout series voltage reference manufactured by Analog Devices Inc. It provides a fixed output voltage of 4.096V with an initial accuracy of ±0.04% and a maximum temperature coefficient of 3ppm/°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 a maximum dropout voltage of 300mV. The component is housed in an 8-lead plastic SO package and utilizes tape and reel packaging for automated assembly.

Voltage Reference Feature Summary

• Combines high accuracy and low drift with low supply current and high output drive capability
• Utilizes advanced curvature compensation techniques and trimmed precision thin-film resistors
• 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 #TRPBF confirms the tape and reel packaging format required for surface mount assembly processes. Confirm the ACS8 grade designation corresponds to the specified 0.04% initial accuracy and 3ppm/°C temperature coefficient requirements for the intended application environment.

Voltage Reference Selection Notes

Select this part when precise voltage referencing is required in portable or battery-powered systems due to its micropower consumption. Ensure the input voltage remains within the specified limits relative to the output voltage to maintain regulation. Consider the thermal management requirements if the device is expected to source significant load currents near its maximum rating.

Voltage Reference Part Context

This component belongs to the LT1461 family of micropower precision low dropout series voltage references. The family offers various output voltage options including 2.5V, 3V, 3.3V, 4.096V, and 5V. Different grades such as AC, BC, CC, AI, BI, CI, and DH provide varying levels of accuracy and operating temperature ranges to suit diverse industrial and commercial needs.

Voltage Reference Replacement Considerations

LT1461ACS8-4#PBF