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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% 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 ~ 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 LM4041DEM3-ADJ/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments. It features an adjustable output voltage range from 1.233 V to 10 V, housed in a compact SOT-23 surface-mount package. The device offers high initial accuracy with options for ±0.5% and ±1% tolerance grades. It operates within a temperature range of -40°C to +125°C and supports a maximum cathode current of 12 mA. Designed for stability without external capacitors, it utilizes bandgap reference technology to ensure low dynamic impedance and consistent performance across varying loads and temperatures.
Feature Summary
- Adjustable output voltage capability spanning from 1.233 V up to 10 V
- Micropower operation designed for extended battery life in portable applications
- Inherent stability with any capacitive load, eliminating the need for external stabilizing components
- High precision accuracy available in ±0.5% and ±1% grades at 25°C
Applications
- Portable instrumentation requiring precise voltage regulation
- Battery-powered measurement systems
- Data acquisition systems needing stable reference voltages
- Microprocessor supply monitoring circuits
Procurement Notes
Verify the specific accuracy grade (A or B) required for the application, as the base part number may denote different tolerance levels depending on the suffix configuration. Confirm that the SOT-23 package dimensions align with the PCB footprint constraints. Ensure the operating current remains within the specified minimum and maximum limits to maintain regulation stability. Check for RoHS compliance status if environmental regulations apply to the manufacturing process.
Selection Notes
Select this component when space-constrained designs require a precision adjustable reference in a small surface-mount package. It is suitable for applications demanding low power consumption alongside high accuracy. Consider the thermal management requirements given the wide operating temperature range. Evaluate the noise specifications against the sensitivity of the connected analog circuitry to ensure signal integrity is maintained.
Part Context
This device belongs to the LM4041-N series of precision shunt voltage references from Texas Instruments. The series is characterized by its ability to operate without external stabilization capacitors while maintaining stability with various capacitive loads. It complements other fixed-voltage references in the portfolio by offering adjustable output flexibility in the same compact form factor, facilitating design reuse across different voltage requirement scenarios.
Replacement Considerations
LM4041CIM3X-ADJ/NOPB
FAQ
Does the LM4041DEM3-ADJ/NOPB require an external capacitor for stability?
No, the advanced design of the LM4041-N eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load.
What is the adjustable output voltage range for this part?
The output voltage is adjustable from 1.233 V to 10 V.
