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Product Detailed Parameters
- Description：IC VREF SHUNT 1.5% 8SOIC
- Series：-
- Mfr：onsemi
- Package：Tube
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Current - Output：20 mA
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The LM385BD-2.5G is a micropower two-terminal bandgap voltage reference diode manufactured by onsemi. It provides a fixed nominal output voltage of 2.5V with an operating current range from 10 µA to 20 mA. The device features low dynamic impedance and low noise, ensuring stable operation over time and temperature. Initial tolerance grades include 1.0%, 1.5%, 2.0%, and 3.0%. It is housed in a surface-mount package and is available in lead-free (Pb-Free) configurations.
Feature Summary
- Micropower two-terminal bandgap voltage regulator diode
- Wide operating current range from 10 µA to 20 mA
- Low dynamic impedance and low noise characteristics
- Tight voltage tolerances achieved by on-chip trimming
Applications
- Portable instrumentation
- Regulators
- Analog circuitry requiring extended battery life
Procurement Notes
Verify the specific initial tolerance grade required for the application, as the LM385BD-2.5 series offers multiple accuracy options including 1.0%, 1.5%, 2.0%, and 3.0%. Confirm that the Pb-Free designation aligns with environmental compliance requirements. Ensure the surface-mount package type matches the PCB footprint design specifications before procurement.
Selection Notes
Select this component for applications demanding low power consumption and stable voltage references within a wide current range. The 2.5V output is suitable for precision analog circuits. Consider the specific tolerance grade needed, as tighter tolerances may impact cost. The surface-mount package facilitates automated assembly processes for compact designs.
Part Context
This part belongs to the LM285/LM385 series of micropower voltage reference diodes. These devices are designed for applications where low power and high stability are critical. The series includes various voltage options and tolerance grades, with the LM385BD-2.5G specifically providing a 2.5V reference in a surface-mount package.
Replacement Considerations
Compatible substitutes include other LM385-2.5 variants from different manufacturers, such as Texas Instruments or Analog Devices, provided they match the 2.5V output, SOIC-8 package, and electrical specifications. Verify pinout compatibility and thermal performance when cross-referencing.
