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The LM385BD-2.5R2 is a micropower two-terminal bandgap voltage reference diode manufactured by onsemi. It provides a nominal output voltage of 2.5V with an initial tolerance grade of 1.0%. The device operates over a wide current range from 10 µA to 20 mA, featuring low dynamic impedance and low noise. It is housed in an 8-pin SOIC surface-mount package.
Verify the specific suffix 'R2' against the manufacturer's official datasheet to confirm it denotes the standard tape-and-reel packaging format. Ensure the component matches the 1.0% tolerance grade specified for the BD series. Confirm that the package type corresponds to the 8-pin SOIC configuration listed in the product documentation.
Select this component when a precise 2.5V reference is required in space-constrained designs utilizing surface-mount technology. The wide operating current range allows flexibility in supply variations while maintaining excellent regulation. It serves as a suitable replacement for older through-hole references in modern micro-power applications.
This part belongs to the LM385 series of micropower voltage references. The 'B' designation indicates a tighter initial tolerance compared to standard grades, while the 'D' suffix typically identifies the SOIC package variant. The series is designed for applications demanding stability over time and temperature.
Compatible substitutes include other LM385BD-2.5 variants from different manufacturers such as NXP or Linear Technology, provided they match the 8-pin SOIC footprint and 2.5V output specification.