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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)：8.192V
- 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 LM4040B82IDBZTG4 is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 8.192 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 utilizes a SOT-23-3 surface-mount package and supports a maximum shunt current of 15 mA.
Feature Summary
- Provides stable, fixed precision voltage reference output
- Operates efficiently at low micropower levels
- Maintains high accuracy across specified industrial temperature ranges
Applications
- Portable instrumentation requiring precise voltage standards
- Battery-powered measurement systems
- Data acquisition circuits needing stable reference sources
Procurement Notes
Verify the specific suffix 'G4' indicates RoHS compliance and lead-free status as per Texas Instruments documentation. Confirm the package type matches the design footprint requirements. Ensure the operating temperature range aligns with the intended application environment specifications before finalizing procurement decisions.
Selection Notes
Select this component when a fixed 8.192 V reference is required in a compact SOT-23-3 package. Consider the 0.2% initial accuracy and 100 ppm/°C temperature coefficient for applications demanding stability over varying thermal conditions. Evaluate power consumption constraints against the micropower shunt architecture capabilities.
Part Context
This part belongs to the LM4040 series of precision micropower shunt voltage references from Texas Instruments. The series offers various fixed output voltages and accuracy grades. The LM4040B82 variant specifically targets applications requiring higher voltage references while maintaining low power consumption and small form factor advantages typical of the family.
Replacement Considerations
Direct substitutes include LM4040B82IDBZR and LM4040B82IDBZT. Verify pinout compatibility and electrical parameter alignment before substitution.
