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Product Detailed Parameters
- Description：IC VREF SHUNT 1.5% 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Current - Output：20 mA
- Operating Temperature：-40°C ~ 85°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 LM285MX-2.5/NOPB is a micropower shunt voltage reference manufactured by Texas Instruments, housed in an SOIC-8 surface-mount package. It provides a fixed nominal output voltage of 2.5 V with an initial accuracy of 1.5%. The device operates within a temperature range of -40°C to +85°C and features a maximum shunt current of 20 mA. Its temperature coefficient is specified at 150 ppm/°C, ensuring stable performance across the industrial operating range.
Feature Summary
- Provides a precise 2.5 V reference voltage suitable for high-accuracy analog circuits
- Operates as a shunt regulator with low power consumption characteristics
- Designed for reliable performance across the full industrial temperature range
Applications
- Portable instrumentation requiring low-power precision references
- Battery-powered measurement systems
- Data acquisition systems needing stable voltage benchmarks
Procurement Notes
Verify the specific suffix 'NOPB' indicates lead-free and RoHS compliance status according to the manufacturer's latest documentation. Confirm the SOIC-8 package dimensions match your PCB footprint requirements. Ensure the 1.5% initial accuracy meets your circuit tolerance specifications before finalizing procurement decisions.
Selection Notes
Select this component when a fixed 2.5 V reference is required in a surface-mount form factor. Compare against the LM285Z series if through-hole mounting is preferred or against the LM285BY series for lower temperature coefficients. Consider the 150 ppm/°C drift rate relative to your system's thermal environment constraints.
Part Context
This part belongs to the LM285 family of micropower voltage references from Texas Instruments. It shares functional similarities with other LM285 variants but differs in package type and specific electrical tolerances. The MX suffix denotes the SOIC-8 surface-mount package, distinguishing it from TO-92 or DIP alternatives within the same product line.
Replacement Considerations
LM285BXM-2.5/NOPB offers identical electrical specifications in the same SOIC-8 package. LM285Z-2.5/NOPB serves as a through-hole alternative with similar voltage output but different physical mounting requirements.
