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Product Detailed Parameters
- Description：IC VREF SHUNT 2% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.048V
- Voltage - Output (Max)：-
- Current - Output：15 mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The LM4040EIM3X-2.0/NOPB is a precision micropower shunt voltage reference from Texas Instruments, offering a nominal output voltage of 2.0V with an initial accuracy of ±1%. It operates within a temperature range of -40°C to +85°C and features low dynamic impedance for stable performance under varying load conditions. The device is housed in a compact SOT-23 package, suitable for space-constrained designs requiring high reliability.
Feature Summary
- Provides precise voltage regulation with tight initial tolerance specifications
- Designed for low power consumption in battery-operated applications
- Exhibits low dynamic impedance to maintain stability across load variations
Applications
- Portable instrumentation circuits requiring stable reference voltages
- Battery-powered measurement systems needing minimal quiescent current
- Data acquisition systems utilizing analog-to-digital conversion
Procurement Notes
Verify the complete part number including suffixes such as NOPB to ensure compliance with RoHS directives and specific packaging requirements. Confirm that the E-grade designation matches the required temperature range and accuracy for your application. Check manufacturer documentation for any recent updates regarding component availability or recommended pin configurations.
Selection Notes
Select this component when a fixed 2.0V reference is needed with high precision and low power usage. Ensure the operating environment stays within the specified temperature limits. Consider the SOT-23 package size constraints during PCB layout planning to guarantee proper thermal dissipation and mechanical fit.
Part Context
This device belongs to the LM4040 family of micropower shunt references, designed for applications demanding high accuracy and stability. It serves as a critical component in maintaining signal integrity in analog circuits by providing a consistent voltage baseline regardless of input fluctuations or temperature changes.
Replacement Considerations
Check for direct equivalents like the LM4040AIM3X-2.0 for extended temperature ranges. Verify pin compatibility and electrical characteristics before substituting with other manufacturers' parts to ensure circuit functionality remains unaffected.
