LT6658AIMSE-3#PBF

Overview

The LT6658AIMSE-3#PBF is a precision dual output voltage reference from Analog Devices, housed in a 16-lead MSOP package. It provides a fixed 3V output with an initial accuracy of ±0.05% and a maximum temperature coefficient of 10ppm/°C. The device operates within a junction temperature range of -40°C to +85°C and supports input voltages up to 36V. Output 1 delivers up to 150mA sourcing current, while Output 2 provides up to 50mA. Both outputs feature Kelvin sense connections for high load regulation.

Feature Summary

• Dual independent buffered outputs with identical precision specifications that track each other over temperature and load variations.
• Integrated Refulator architecture combining precision reference performance with linear regulator capabilities for heavy loading.
• Kelvin sense connections on both outputs ensure minimal load regulation error under varying current conditions.
• Separate supply pins (VIN1, VIN2) allow for power consumption reduction and buffer amplifier isolation.

Applications

• Driving reference inputs of high-resolution ADCs and DACs
• Powering microcontrollers and FPGA circuitry alongside data converters
• Precision low noise regulators in instrumentation systems
• Data acquisition systems requiring stable dual supplies

Procurement Notes

Verify the specific suffix #PBF indicates RoHS compliance when ordering. Confirm the MSE package designation matches the required 16-lead MSOP footprint for PCB layout. Ensure the A-grade specification aligns with the required 0.05% accuracy and 10ppm/°C drift limits for the target application environment.

Selection Notes

Select this part when dual isolated references are needed for sensitive analog front ends. The A-grade offers tighter accuracy than B-grade options. Consider the separate supply pins if independent power domains are required to minimize cross-talk between the two output buffers.

Part Context

This component belongs to the LT6658 family of precision dual output references. It shares architectural similarities with other members like the LT6658AIMSE-2.5 but differs in fixed output voltage. The family is designed to replace standard LDOs where higher precision and lower noise are critical for signal chain integrity.

Replacement Considerations

LT6658AIMSE-3#TRPBF