LT1790BIS6-2.048#TRMPBF

Voltage Reference Overview

The LT1790BIS6-2.048#TRMPBF is a micropower series voltage reference from Analog Devices, offering a fixed output of 2.048V with B-grade initial accuracy of ±0.1% and a maximum temperature coefficient of 25ppm/°C. It operates within an industrial temperature range of –40°C to +85°C and supports supply voltages up to 18V. The device features low supply current of 60µA maximum, low dropout voltage, and the ability to both source and sink current. Packaged in a compact 6-lead ThinSOT (TSOT-23) format, it utilizes curvature compensation and post-package trimming for high precision.

Voltage Reference Feature Summary

• Combines high accuracy and low drift with micropower operation using curvature compensation and trimmed thin-film resistors.
• Capable of sourcing and sinking current, allowing operation as a positive or negative voltage reference.
• Minimizes thermally induced hysteresis through specialized manufacturing processes.
• Delivers excellent line and load regulation with guaranteed operational performance across wide temperature ranges.

Voltage Reference Applications

• Handheld Instruments
• Negative Voltage References
• Industrial Control Systems
• Data Acquisition Systems
• Battery-Operated Equipment

Voltage Reference Procurement Notes

Verify the specific ordering suffix #TRMPBF indicates tape and reel packaging availability from designated sales channels. Confirm that the component meets RoHS compliance standards required for your assembly process. Ensure the supplier provides valid documentation confirming the lead-free finish and part marking integrity. Cross-reference the manufacturer's latest order information to confirm current production status and availability constraints.

Voltage Reference Selection Notes

Select this component when precise voltage referencing is required in space-constrained designs. The B-grade specification offers a balance of cost and performance suitable for general industrial applications. Consider the low supply current for battery longevity and the bidirectional current capability for flexible circuit topologies. Verify that the input voltage range accommodates the system's minimum operating voltage requirements.

Voltage Reference Part Context

This part belongs to the LT1790 family of micropower SOT-23 low dropout references. The family includes various voltage options and accuracy grades (A and B). The 'I' suffix denotes the industrial temperature range (-40°C to 85°C), while 'S6' specifies the 6-lead TSOT-23 package. The '#TRMPBF' suffix typically indicates a tape and reel option with lead-free finish.

Voltage Reference Replacement Considerations

LT1790AIS6-2.048#TRMPBF

Voltage Reference FAQ

Can the LT1790BIS6-2.048 be used as a negative voltage reference?

Yes, because the device can sink current, it can operate as a micropower negative voltage reference with the same performance characteristics as a positive reference.

What is the maximum supply voltage for this component?

The LT1790 supports a wide supply range up to 18V, making it suitable for various input voltage conditions.