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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.5% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.233V
- Voltage - Output (Max)：10 V
- Current - Output：12 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 LM4041CIDBZR is a precision shunt voltage reference from Texas Instruments, providing a fixed output of 1.225V with an initial accuracy of ±0.5%. It operates within a temperature range of -40°C to +85°C and features a typical temperature coefficient of 100ppm/°C. The device supports a wide operating current range from 45µA to 12mA and delivers low output noise of 20µVRMS. Packaged in a compact SOT-23-3 surface-mount format, it ensures stability across all capacitive loads without requiring external compensation components.
Feature Summary
- Provides stable operation across all capacitive loads without the need for external output capacitors
- Utilizes Zener-zap trimming technology to achieve tight output tolerance specifications
- Features low dynamic impedance and low output noise for high-precision applications
Applications
- Data acquisition systems
- Power supply monitoring circuits
- Portable battery-powered equipment
Procurement Notes
Verify the specific suffix 'IDBZR' against the manufacturer's official documentation to confirm the package type, tape-and-reel quantity, and temperature grade. Ensure the procurement channel provides valid traceability for the component's manufacturing origin and RoHS compliance status prior to integration into production designs.
Selection Notes
Select this component when a fixed 1.225V reference with ±0.5% accuracy is required in a space-constrained design. It is suitable for industrial environments operating between -40°C and +85°C. Consider higher accuracy grades like A or B if tighter tolerances are needed, or D grade if cost optimization is prioritized over precision.
Part Context
This part belongs to the LM4041 series of micropower shunt voltage references. The series offers various accuracy grades (A, B, C, D) and temperature ranges. The LM4041CIDBZR specifically represents the C-grade variant with standard industrial temperature coverage, designed for general-purpose precision referencing tasks where moderate accuracy suffices.
Replacement Considerations
Compatible substitutes include other LM4041 variants such as LM4041BIDBZR or LM4041DIDBZR, provided the accuracy and temperature requirements align. Cross-reference with LM4040 series devices only if the output voltage difference is acceptable.
