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Product Detailed Parameters
- Description：IC VREF SHUNT 0.5% SOT23
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：4.1V
- Voltage - Output (Max)：-
- Current - Output：15 mA
- Operating Temperature：-40°C ~ 125°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 LM4040C41FTA is a micropower shunt voltage reference manufactured by Diodes Incorporated. It provides a fixed output voltage of 4.096 V with an initial accuracy tolerance of ±0.5% at +25°C. The device operates within a wide current range from 83 µA to 15 mA and maintains stability across an extended temperature range of -40°C to +125°C. It features a maximum temperature coefficient of 100 ppm/°C and low noise characteristics, making it suitable for precision applications.
Feature Summary
- Automotive compliant design qualified under AEC-Q100 standards
- Capable of driving capacitive loads without requiring external output capacitors
- Low noise performance optimized for sensitive signal processing circuits
- RoHS compliant construction utilizing green molding materials
Applications
- Automotive reference voltages
- Automotive data acquisition systems
Procurement Notes
Verify the specific ordering suffix matches the required tape and reel packaging configuration. Confirm that the component meets the necessary automotive quality standards if deployed in vehicle electronics. Ensure the selected grade aligns with the circuit's precision requirements regarding initial tolerance and thermal drift specifications.
Selection Notes
Select this component when a stable 4.096 V reference is needed in space-constrained designs. The SOT23 package offers a compact footprint ideal for portable or high-density boards. Consider the minimum operating current limits to ensure proper regulation under varying load conditions and supply voltages.
Part Context
This part belongs to the LM4040Q family of bandgap voltage references designed for automotive environments. It serves as a pin-for-pin compatible alternative to industry standard LM4040 devices. The Q-series designation indicates compliance with specific change control requirements for automotive manufacturing processes.
Replacement Considerations
LM4040B41QFTA
FAQ
Is an external capacitor required for stability?
No, the device is designed to be highly tolerant of capacitive loads and does not require an output capacitor for stability.
What is the minimum operating current?
The minimum operating current is specified as 83 µA at +25°C and increases slightly at lower temperatures.
