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Product Detailed Parameters
- Description：IC VREF SHUNT 1% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：10V
- Current - Output：15 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 LM4040DIM3X-10 is a precision micropower shunt voltage reference manufactured by Texas Instruments, featuring a fixed reverse breakdown voltage of 10 V. It is housed in a compact SOT-23 surface-mount package and operates within an industrial temperature range of -40°C to +85°C. The device specifies a maximum initial accuracy of ±1% at 25°C and maintains a low temperature coefficient of 150 ppm/°C across the operating range. Designed for stability without external components, it supports a wide operating current range from 100 μA to 15 mA.
Feature Summary
- Eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load
- Utilizes bandgap reference temperature drift curvature correction and low dynamic impedance for stable performance
- Employs fuse and Zener-zap reverse breakdown voltage trim during wafer sort to ensure specified accuracy
Applications
- Portable, battery-powered equipment
- Data acquisition systems
- Instrumentation
- Process controls
- Precision audio components
Procurement Notes
Verify the specific suffix 'X' indicates tape-and-reel packaging when sourcing. Confirm that the 'D' grade designation corresponds to the required ±1% tolerance and 150 ppm/°C temperature coefficient specifications for your application. Ensure the component meets the industrial temperature range requirements of -40°C to +85°C.
Selection Notes
Select this component for space-critical designs requiring a 10 V reference in a small SOT-23 footprint. It is suitable for applications needing high stability under varying capacitive loads without additional compensation components. Consider the minimum operating current of 100 μA for the 10 V version when designing bias circuits.
Part Context
This part belongs to the LM4040-N family of precision micropower shunt voltage references. The series offers various fixed reverse breakdown voltages including 2.048 V, 2.5 V, 3 V, 4.096 V, 5 V, 8.192 V, and 10 V. The family is available in sub-miniature SC70 and SOT-23 packages, as well as TO-92 through-hole options.
Replacement Considerations
LM4040DIM3-10.0/NOPB
FAQ
Does the LM4040DIM3X-10 require an output capacitor for stability?
No, the advanced design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load.
What is the minimum operating current for the 10 V version?
The minimum operating current increases to 100 μA for the 10-V LM4040-N version.
