LT6658AHMSE-3#PBF

Voltage Reference Overview

The LT6658AHMSE-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 125°C. Output 1 supports sourcing up to 150mA and sinking 20mA, while Output 2 supports sourcing 50mA and sinking 20mA. It features separate supply pins for each output, thermal shutdown protection, and a noise reduction pin.

Voltage Reference Feature Summary

• Combines the performance of a precision voltage reference and a linear regulator
• Dual outputs track each other over temperature and load variations
• Kelvin sense connections enable low load regulation
• Separate supply pins allow power consumption reduction and buffer isolation

Voltage Reference Applications

• Microcontroller or FPGA with ADC/DAC applications
• Data acquisition systems
• Automotive control and monitoring
• Precision low noise regulators
• Instrumentation and process control

Voltage Reference Procurement Notes

Verify the specific suffix #PBF indicates RoHS compliance when ordering. Confirm the H-grade designation matches the required -40°C to 125°C operating range for your application environment. Ensure the MSOP-16 package footprint aligns with your PCB design constraints. Cross-reference the datasheet revision to confirm electrical characteristics remain consistent with your design specifications.

Voltage Reference Selection Notes

Select this part for applications requiring high current drive capabilities alongside precision voltage referencing. The H-grade ensures operation at elevated temperatures up to 125°C. Consider the separate VIN1 and VIN2 pins if independent power domains are needed to minimize cross-talk between the two outputs. Verify that the input voltage exceeds the minimum dropout requirements for the desired load conditions.

Voltage Reference Part Context

This component belongs to the LT6658 family of Refulators, which integrate precision references with linear regulator buffers. The AHMSE-3 variant specifically denotes the A-grade accuracy, H-grade temperature range, MSOP package, and 3V nominal output. It serves as a direct replacement for standard voltage references where higher current drive and lower noise are critical for system performance.

Voltage Reference Replacement Considerations

LT6658BHMS-3#PBF offers B-grade accuracy (±0.1%) and 20ppm/°C drift. LT6658AIMSE-3#PBF provides identical electrical specs but limited to -40°C to 85°C. LT6658AIDE-3#PBF uses a DFN-16 package instead of MSOP.