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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 LM4040B25IDBZRG4 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 maximum cathode current of 15 mA. It has a minimum operating current of 75 uA and a temperature coefficient of 150 ppm/°C. The component is housed in a SOT-23 package with three pins, designed for surface-mount applications.
Feature Summary
- Provides stable 2.5 V reference voltage with high precision
- Operates at micropower levels suitable for battery applications
- Compact SOT-23 surface-mount package design
Applications
- Portable instrumentation systems
- Battery-powered measurement devices
- Data acquisition systems requiring precise voltage references
Procurement Notes
Verify the specific suffix RG4 indicates tape and reel packaging configuration when sourcing. Confirm the B grade designation corresponds to the required 0.2% initial accuracy specification for the application. Ensure the industrial temperature range of -40°C to 85°C meets environmental requirements. Check RoHS compliance status as indicated in official documentation before finalizing procurement orders.
Selection Notes
Select this component when a 2.5 V reference with 0.2% accuracy is required in a small footprint. Consider the 150 ppm/°C temperature coefficient for thermal stability needs. Evaluate the 75 uA minimum current requirement against circuit biasing constraints. Compare against other LM4040 variants if different voltage outputs or accuracy grades are needed.
Part Context
This part belongs to the LM4040 family of precision micropower shunt voltage references from Texas Instruments. The family offers various fixed voltage options and accuracy grades. The IDBZR suffix denotes the SOT-23-3 package and tape-and-reel delivery method. This series is designed for applications demanding low power consumption and compact size.
Replacement Considerations
LM4040B25IDBZR is the non-reel version of the same electrical specifications. LM4040B25IDCKRE4 uses SC-70-5 package with 100 ppm/°C tempco. Verify pinout compatibility and package dimensions when substituting.
