Overview
The LM4040DIM3-4.1/NOPB is a precision micropower shunt voltage reference IC from Texas Instruments. This component is designed for space-critical applications and offers a fixed reverse breakdown voltage of 4.096V with a ±1% tolerance. It is available in small surface-mount packages such as SOT-23, TO-92, and SC70, making it ideal for compact designs. The LM4040DIM3-4.1/NOPB is known for its stability and ease of use, as it does not require an external stabilizing capacitor and can tolerate capacitive loads.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reverse Breakdown Voltage | 4.096 | V |
| Output Voltage Tolerance (25°C) | ±1% | |
| Minimum Operating Current | 60 | μA |
| Maximum Operating Current | 15 | mA |
| Temperature Range (Industrial Grade) | −40°C to +85°C | |
| Temperature Range (Extended Grade) | −40°C to +125°C | |
| Temperature Coefficient | 100 ppm/°C (maximum) | |
| Wideband Noise (10Hz to 10kHz) | 35 μVrms (typical) | |
| Reverse Dynamic Impedance | 0.3 to 1.1 Ω |
Key Features
- No output capacitor required
- Tolerates capacitive loads
- Small packages: SOT-23, TO-92, and SC70
- AEC Q-100 qualified for automotive applications
- Low output noise: 35 μVrms (typical) from 10Hz to 10kHz
- Wide operating current range: 60 μA to 15 mA
- Low temperature coefficient: 100 ppm/°C (maximum)
Applications
- Field Transmitters
- Energy Infrastructure
- Data Acquisition
- Analog Input Modules
- Automotive Systems
- Audio and Video Equipment
Q & A
- What is the reverse breakdown voltage of the LM4040DIM3-4.1/NOPB?
The reverse breakdown voltage is 4.096V. - What is the output voltage tolerance at 25°C?
The output voltage tolerance is ±1% at 25°C. - What are the minimum and maximum operating currents?
The minimum operating current is 60 μA, and the maximum is 15 mA. - What are the available package types?
The component is available in SOT-23, TO-92, and SC70 packages. - Does the LM4040DIM3-4.1/NOPB require an external stabilizing capacitor?
No, it does not require an external stabilizing capacitor. - What is the temperature range for the industrial grade?
The temperature range for the industrial grade is −40°C to +85°C. - What is the temperature coefficient of the LM4040DIM3-4.1/NOPB?
The temperature coefficient is 100 ppm/°C (maximum). - What is the typical wideband noise of the LM4040DIM3-4.1/NOPB?
The typical wideband noise is 35 μVrms from 10Hz to 10kHz. - Is the LM4040DIM3-4.1/NOPB qualified for automotive applications?
Yes, it is AEC Q-100 qualified for automotive applications. - What are some common applications of the LM4040DIM3-4.1/NOPB?
Common applications include field transmitters, energy infrastructure, data acquisition, analog input modules, automotive systems, and audio and video equipment.
