Overview
The LM4040D25IDBZR is a precision micropower shunt voltage reference manufactured by Texas Instruments. This device is part of the LM4040 series, known for its versatility and ease of use across a wide range of applications. The LM4040D25IDBZR offers a fixed output voltage of 2.5V with a tolerance of ±1%, making it suitable for applications requiring stable and accurate voltage references.
Key Specifications
| Parameter | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|
| Output Voltage (VZ) | 2.5 | 2.475 | 2.525 | V |
| Output Voltage Tolerance | - | -25 | 25 | mV |
| Minimum Cathode Current (IZ,min) | 45 | 45 | 80 | μA |
| Maximum Cathode Current (IZ,max) | - | - | 15 | mA |
| Average Temperature Coefficient (αVZ) | - | -150 | 150 | ppm/°C |
| Operating Temperature Range | - | -40 | 125 | °C |
| Package Type | - | - | SOT-23 (DBZ) | - |
Key Features
- Fixed output voltage of 2.5V with ±1% tolerance.
- Tight output tolerances and low temperature coefficient (maximum 1.0% and 150 ppm/°C for D grade).
- Low output noise: 35μVRMS typical.
- Wide operating current range: 45μA to 15mA.
- Stable with all capacitive loads; no output capacitor required.
- Available in extended temperature range: –40°C to 125°C.
- Space-saving SOT-23 and SC-70 packages.
Applications
- Data-Acquisition Systems
- Energy Infrastructure
- Analog Input Module
- Field Transmitters
- Precision Audio
- Automotive Electronics
Q & A
- What is the output voltage of the LM4040D25IDBZR? The output voltage is 2.5V with a tolerance of ±1%.
- What is the minimum cathode current required for the LM4040D25IDBZR? The minimum cathode current is 45μA.
- What is the maximum operating temperature for the LM4040D25IDBZR? The maximum operating temperature is 125°C.
- Does the LM4040D25IDBZR require an output capacitor for stability? No, the LM4040D25IDBZR is stable with all capacitive loads and does not require an output capacitor.
- What are the typical applications of the LM4040D25IDBZR? Typical applications include data-acquisition systems, energy infrastructure, analog input modules, field transmitters, precision audio, and automotive electronics.
- What is the package type of the LM4040D25IDBZR? The package type is SOT-23 (DBZ).
- What is the average temperature coefficient of the LM4040D25IDBZR? The average temperature coefficient is ±150 ppm/°C for the D grade.
- What is the maximum cathode current for the LM4040D25IDBZR? The maximum cathode current is 15mA.
- Is the LM4040D25IDBZR suitable for portable applications? Yes, it is suitable due to its low current consumption and space-saving package.
- What is the output noise of the LM4040D25IDBZR? The output noise is 35μVRMS typical.
