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Product Detailed Parameters
- Description：IC VREF SHUNT 0.5% TO92-3
- Series：-
- Mfr：Texas Instruments
- Package：Bulk,Bulk
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：4.096V
- Current - Output：15 mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The LM4040C41ILP is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 4.096V with an initial accuracy of ±0.5%. The device operates within an ambient temperature range of -40°C to +85°C and features a maximum temperature coefficient of 100ppm/°C. It requires a minimum cathode current of 45μA (typical) and supports a maximum continuous cathode current of 15mA. The component is housed in a TO-92 package.
Feature Summary
- Provides stable reference voltage with low dynamic impedance and low noise characteristics
- Operates stably with all capacitive loads without requiring external output capacitors
- Utilizes fuse and Zener-zap reverse breakdown voltage trim for precise tolerance
Applications
- Data-acquisition systems
- Energy infrastructure monitoring
- Analog input modules
- Field transmitters
- Precision audio circuits
Procurement Notes
Verify the specific suffix 'ILP' corresponds to the TO-92 through-hole package variant when sourcing. Confirm that the 'C' grade designation matches the required 0.5% initial accuracy specification. Ensure the industrial temperature rating (-40°C to +85°C) aligns with the target application environment requirements before finalizing procurement.
Selection Notes
Select this component when a fixed 4.096V reference is needed in a through-hole configuration. The C-grade offers a balance of cost and performance with 0.5% accuracy. Consider the TO-92 package dimensions if board space allows for larger components compared to surface-mount alternatives like SOT-23 or SC-70.
Part Context
This part belongs to the LM4040 series of shunt voltage references, which includes A, B, C, and D grades offering varying levels of accuracy and temperature coefficients. The series is designed for versatile applications requiring stable voltage references in portable and industrial electronics.
Replacement Considerations
LM4040C41IDBZR (SOT-23-3 package)
FAQ
Does the LM4040C41ILP require an external capacitor for stability?
No, the device is stable with all capacitive loads and does not require an external output capacitor for operation.
What is the operating temperature range for the LM4040C41ILP?
The LM4040xxxI variants, including the ILP package, are characterized for an ambient temperature range of -40°C to +85°C.
