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Product Detailed Parameters
- Description：VOLTAGE REFERENCE
- Series：*
- Mfr：onsemi
- Package：Bulk
- Output Type：-
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：-
- Current - Output：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
Download product information
Overview
The LM4040BTB-500GT3 is a precision micropower shunt voltage reference manufactured by onsemi. It provides a fixed output voltage of 5.0 V with an initial accuracy of ±0.2%. The device operates within a temperature range of -40°C to +125°C and features a maximum temperature coefficient of 70 ppm/°C. It utilizes a SOT-23-3 surface-mount package and supports a cathode current range from 60 µA to 15 mA.
Feature Summary
- Provides stable fixed output voltage across industrial temperature ranges
- Delivers high precision with low initial tolerance
- Operates with ultra-low power consumption suitable for battery applications
Applications
- Battery management systems
- Portable instrumentation
- Data acquisition systems
Procurement Notes
Verify the specific suffix GT3 indicates tape and reel packaging configuration. Confirm RoHS compliance status through official documentation. Ensure the manufacturer designation matches onsemi specifications for this part number variant.
Selection Notes
Select this component when a 5.0 V reference with ±0.2% accuracy is required in a compact SOT-23-3 footprint. Consider the 70 ppm/°C temperature coefficient for thermal stability requirements. Verify minimum operating current constraints against system load conditions.
Part Context
This component belongs to the LM4040 family of micropower shunt voltage references. The family offers various output voltages including 2.048 V, 2.5 V, 3.0 V, 4.096 V, and 5.0 V. Different accuracy grades are available, with the B grade providing ±0.2% initial accuracy.
Replacement Considerations
LM4040C50IDBZT (Texas Instruments)
FAQ
What is the maximum operating temperature?
The maximum operating temperature is +125°C.
What package type does this device use?
It uses a SOT-23-3 surface-mount package.
