Overview
The LM4040AIM3-5.0TR is a precision micropower shunt voltage reference IC produced 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 LM4040AIM3-5.0TR specifically offers a fixed output voltage of 5V with high accuracy and stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5 | V |
| Initial Accuracy | ±0.1% (A Grade), ±0.2% (B Grade), ±0.5% (C Grade), ±1.0% (D Grade) | % |
| Temperature Coefficient | 100 ppm/°C (A, B, C Grades), 150 ppm/°C (D Grade) | ppm/°C |
| Minimum Cathode Current | 45 μA (typical) | μA |
| Maximum Operating Current | 15 mA | mA |
| Output Noise | 35 μVRMS (typical) | μVRMS |
| Operating Temperature Range | –40°C to 125°C (Q Grade), –40°C to 85°C (I Grade) | °C |
| Package | SOT-23-3 |
Key Features
- Tight output tolerances and low temperature coefficient.
- Low output noise: 35 μVRMS typical.
- Wide operating current range: 45 μA to 15 mA.
- Stable with all capacitive loads; no output capacitor required.
- Available in extended temperature range: –40°C to 125°C.
- Space-saving SOT-23-3 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 LM4040AIM3-5.0TR?
The output voltage is 5V. - What are the initial accuracy options for the LM4040 series?
The initial accuracy options are ±0.1% (A Grade), ±0.2% (B Grade), ±0.5% (C Grade), and ±1.0% (D Grade). - What is the temperature coefficient of the LM4040AIM3-5.0TR?
The temperature coefficient is 100 ppm/°C for A, B, and C Grades, and 150 ppm/°C for the D Grade. - What is the minimum cathode current required for the LM4040AIM3-5.0TR?
The minimum cathode current is 45 μA (typical). - Does the LM4040AIM3-5.0TR require an output capacitor?
No, it is stable with all capacitive loads and does not require an output capacitor. - What are the operating temperature ranges for the LM4040AIM3-5.0TR?
The operating temperature ranges are –40°C to 125°C (Q Grade) and –40°C to 85°C (I Grade). - In what packages is the LM4040AIM3-5.0TR available?
The device is available in SOT-23-3 and SC-70 packages. - What are some common applications of the LM4040 series?
Common applications include data-acquisition systems, energy infrastructure, analog input modules, field transmitters, precision audio, and automotive electronics. - What is the maximum operating current for the LM4040AIM3-5.0TR?
The maximum operating current is 15 mA. - How much output noise can be expected from the LM4040AIM3-5.0TR?
The output noise is typically 35 μVRMS.
