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Product Detailed Parameters
- Description：IC VREF SHUNT 0.2% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.5V
- 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 LM4040B25IDBZTG4 is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 2.5 V with an initial accuracy of 0.2%. The device operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 100 PPM/°C. It requires a minimum cathode current of 75 µA and supports a maximum cathode current of 15 mA. The component is housed in a surface-mount SOT-23-3 package.
Feature Summary
- Provides a stable 2.5 V reference voltage with high initial accuracy for precision applications
- Operates efficiently at micropower levels with low minimum cathode current requirements
- Designed for reliable performance across industrial temperature ranges
Applications
- Portable instrumentation requiring low power consumption
- Battery-powered measurement systems
- Data acquisition systems needing precise voltage references
Procurement Notes
Verify the specific suffix IDBZT against official Texas Instruments documentation to confirm the exact package variant and tape-and-reel specifications. Ensure the procurement channel sources genuine components to avoid counterfeit risks, as availability may vary due to lifecycle status changes.
Selection Notes
Select this component when a 2.5 V shunt reference with 0.2% accuracy is required in a compact SOT-23-3 package. Consider the 100 PPM/°C temperature coefficient and the 75 µA minimum operating current during circuit design to ensure stability under varying load conditions.
Part Context
This part belongs to the LM4040 series of precision micropower shunt voltage references from Texas Instruments. The series offers various voltage options and accuracy grades, utilizing a bandgap reference architecture suitable for space-constrained designs requiring stable voltage references.
Replacement Considerations
Consult official substitution guides for compatible parts such as LM4040B25IDBZR or LM4040B25IDCKRE4, ensuring pinout and electrical parameter compatibility before replacement.
