LM385BPWE4-2-5

Overview

The LM385BPWE4-2-5 is a micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed 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 low temperature coefficient of 20 ppm/°C. It supports a maximum shunt current of 20 mA and utilizes an 8-TSSOP surface-mount package.

Feature Summary

• Provides stable micropower voltage referencing for precision applications
• Ensures high accuracy through tight initial tolerance specifications
• Maintains performance stability across operating temperatures via low drift characteristics

Applications

• Portable battery-powered instrumentation systems
• Data acquisition circuits requiring precise analog references
• Microprocessor-based supervisory circuits

Procurement Notes

Verify the component status as this specific part number may be obsolete or superseded by newer revisions such as the LM385B-PWR-2-5. Confirm RoHS compliance details and ensure the ordering suffix matches the required tape-and-reel packaging configuration for automated assembly processes.

Selection Notes

Select this component when a fixed 2.5V reference with high precision is required in a compact surface-mount form factor. Consider the 20 ppm/°C temperature coefficient for thermal stability needs. Ensure the circuit design accommodates the 20 mA maximum shunt current capability for proper regulation under varying load conditions.

Part Context

This device belongs to the LM385 family of micropower voltage references, designed for applications where low power consumption and space efficiency are critical. The 'B' designation indicates tighter accuracy grades compared to standard variants, while the 'E4' suffix typically denotes lead-free and RoHS-compliant manufacturing standards.

Replacement Considerations

Public confirmed substitute: LM385B-PWR-2-5.