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The LM4041CIM3X-ADJ is a micropower shunt voltage reference from Texas Instruments, housed in an SOT-23-3 surface-mount package. It provides an adjustable output voltage range of 1.225V to 10V using external resistors. The device features a C-grade initial accuracy of ±0.5% and a temperature coefficient of 100 ppm/°C. It operates within a current range of 45µA to 12mA and supports temperatures from -40°C to +85°C. The component exhibits low dynamic impedance and noise (20µVRMS typical), ensuring stability with any capacitive load without requiring output capacitors.
Verify the specific suffix against official documentation to confirm the exact grade and tolerance class. Ensure the ordering code matches the required temperature range and packaging format. Cross-reference the manufacturer datasheet for pinout compatibility and electrical limits before finalizing procurement specifications.
Select this component when an adjustable precision reference is required in a compact SOT-23-3 footprint. It is appropriate for designs needing stable voltage regulation under varying load conditions. Consider the 100 ppm/°C temperature coefficient for thermal stability requirements. Verify that the external resistor network allows the desired output voltage within the specified operational limits.
This part belongs to the LM4041 family of micropower shunt references designed for space-constrained applications. The series utilizes Zener-zap trimming for precise voltage accuracy. It serves as a cost-effective alternative to larger packages while maintaining high precision. The adjustable variant offers flexibility for various system voltage requirements.
LM4041CIM3-ADJ/NOPB: Fixed version with similar package but non-adjustable output.
No, the device is designed to be stable with all capacitive loads and does not require an output capacitor.
The typical minimum operating current is 45µA.