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The LT6658AHMSE-1.8#PBF is a precision dual output voltage reference from Analog Devices, operating at a fixed 1.8V output with an initial accuracy of ±0.05% and a maximum temperature coefficient of 10ppm/°C. It features separate supply pins for each output, supporting up to 36V input voltage. The device operates within a junction temperature range of -40°C to +125°C and is housed in a 16-lead MSOP package.
Verify the specific suffix #PBF indicates RoHS compliance. Confirm the H-grade designation matches the required -40°C to +125°C operating range. Ensure the MSOP-16 package footprint aligns with the PCB layout. Check for any recent PCN updates regarding manufacturing changes.
Select this part when dual tracking references are needed for high-resolution converters. The A-grade offers tighter accuracy than B-grade options. Consider the 1.8V fixed output if external resistor configuration is unnecessary. Verify input voltage requirements against the dropout characteristics for heavy loads.
This component belongs to the LT6658 family of Refulators™. It shares architectural similarities with other voltage options like the 1.2V, 2.5V, and 5V variants. The HMSE suffix denotes the MSOP package with extended temperature range capabilities compared to standard industrial grades.
LT6658BHMSE-1.8#PBF (B-grade alternative)
Yes, each output can be configured with external resistors to provide an output voltage up to 6V.
The OD pin provides a shutdown function to reduce power consumption by disabling the internal buffer amplifiers.