LM385BDR-2-5

Overview

The LM385BDR-2-5 is a micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed nominal output voltage of 2.5V with an initial accuracy of ±1%. The device operates within a temperature range of 0°C to +70°C and features a maximum shunt current of 20mA. It is housed in an 8-SOIC surface-mount package, designed for applications requiring stable voltage references in compact form factors.

Feature Summary

• Provides a precise fixed 2.5V reference output
• Operates as a low-power shunt regulator
• Suitable for surface-mount assembly

Applications

• Portable battery-powered instrumentation
• Data acquisition systems
• Microprocessor supervisory circuits

Procurement Notes

Verify the specific suffix 'BDR' against official Texas Instruments documentation to confirm the exact tolerance grade and package variant. Ensure compatibility with existing PCB footprints and thermal management requirements before finalizing procurement decisions.

Selection Notes

Select this component when a fixed 2.5V reference is required in an 8-pin SOIC package. Consider the ±1% initial accuracy and operating temperature range relative to system specifications. Evaluate power consumption constraints to ensure the shunt current limits are not exceeded during operation.

Part Context

This part belongs to the LM385 family of micropower voltage references from Texas Instruments. The series offers various fixed voltage options and accuracy grades in multiple package styles, serving as a standard solution for precision analog circuitry where space and power efficiency are critical design parameters.

Replacement Considerations

LM385BDTR-2-5/NOPB

FAQ

What is the initial accuracy of the LM385BDR-2-5?

The initial accuracy is specified as ±1%.

What is the maximum shunt current for this device?

The maximum shunt current is 20 mA.