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The LT6658AIDE-3.3#PBF is a precision dual output voltage reference from Analog Devices, housed in a 16-lead DFN package with an exposed thermal pad. It provides a fixed 3.3V 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 a maximum input voltage of 36V.
Verify the specific suffix #PBF indicates RoHS compliance. Confirm the 'I' grade designation matches the required -40°C to +85°C operating range. Ensure the DFN-16 footprint aligns with PCB layout requirements for the exposed pad connection.
Select this part when high current sourcing capability is needed alongside low noise. Verify that the 3.3V fixed output meets system requirements without external resistor configuration. Consider the DFN package for thermal management needs compared to MSOP options.
This component belongs to the LT6658 family of Refulators™, which merge voltage reference and linear regulator functions. The A-grade specification ensures tighter tolerance and lower drift than B-grade variants. The IDE suffix identifies the specific 16-lead DFN package variant.
LT6658BIDE-3.3#PBF (B-Grade)
Yes, although this specific part is factory-set to 3.3V, the LT6658 architecture allows output voltages up to 6V using external resistors on adjustable versions.
The OD pin provides a shutdown function to reduce power consumption by isolating the buffer amplifiers when the device is not in use.