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Product Detailed Parameters
- Description：PRECISION MICROPOWER SHUNT VREF
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Bulk
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：3V
- Voltage - Output (Max)：-
- Current - Output：15 mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SC-70-3
- Grade：-
- Qualification：-
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Overview
The LM4040DIX3-3.0 is a micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated, providing a fixed 3.0 V output. It features an initial accuracy of 1% and a maximum temperature coefficient of 70 ppm/°C. The device operates within a temperature range of -40°C to +125°C and supports a maximum shunt current of 15 mA. It is housed in a compact SC-70-3 (SOT-23) surface-mount package.
Feature Summary
- Provides stable fixed output voltage across industrial temperature ranges
- Ultra-low operating current suitable for power-constrained designs
- Capable of driving capacitive loads without instability
Applications
- Portable battery-powered instrumentation
- Data acquisition systems requiring precise voltage references
- Power supply monitoring circuits
Procurement Notes
Verify the specific suffix 'D' confirms the 1% accuracy grade and 'IX3' indicates the SC-70-3 package variant. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor declarations prior to integration into production environments.
Selection Notes
Select this component when a low-cost, space-efficient shunt reference with moderate precision is required. Ensure the circuit design accommodates the 15 mA maximum shunt current limit and that the 70 ppm/°C temperature coefficient meets the system's thermal stability requirements.
Part Context
This part belongs to the LM4040 family of improved precision micropower shunt voltage references. The series offers multiple accuracy grades and output voltages, including 2.048 V, 2.5 V, 3.0 V, 4.096 V, and 5.0 V options, designed for applications demanding high accuracy and low power consumption.
Replacement Considerations
LM4040DIM3-3.0/NOPB (Texas Instruments equivalent)
FAQ
What is the maximum operating temperature for the LM4040DIX3-3.0?
The maximum operating temperature is +125°C.
Is the LM4040DIX3-3.0 stable with capacitive loads?
Yes, the device is designed to remain stable when used with capacitive loads.
