Overview
The LM4040DIM3-2.0/NOPB is a precision micropower shunt voltage reference produced by Texas Instruments. This component is designed for space-critical applications and is available in a small SOT-23 package with 3 pins. It is part of the LM4040-N series, which offers several fixed reverse breakdown voltages, including 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V. The LM4040DIM3-2.0/NOPB is specifically configured for a 2.048V output voltage.
The device is known for its high accuracy and stability, with an initial accuracy of better than ±0.1% at 25°C. It features a low dynamic impedance and bandgap reference temperature drift curvature correction, ensuring stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents.
Key Specifications
| Parameter | Value |
|---|---|
| Reference Type | Shunt |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 2.048 V |
| Current - Output | 15 mA |
| Package / Case | SOT-23-3 |
| Tolerance | -1~1 % |
| Operating Temperature | -40~85 °C |
| Temperature Coefficient | 100 ppm/°C |
| Noise 10Hz~10kHz | 35 µVrms |
| Current Cathode | 70 µA |
| RoHS | Yes |
| Product Status | Active (Recommended for new designs) |
Key Features
- High Accuracy: Better than ±0.1% at 25°C.
- Low Dynamic Impedance: Ensures stable reverse breakdown voltage accuracy.
- Bandgap Reference Temperature Drift Curvature Correction: Maintains stability over a wide range of operating temperatures and currents.
- No External Stabilizing Capacitor Required: Simplifies design and reduces component count.
- Small Package: Available in SOT-23-3 surface-mount package, ideal for space-critical applications.
- Low Operating Current: Minimum operating current of 60 µA and maximum of 15 mA.
- Rugged Construction: Compliant with EU RoHS and other industry standards.
Applications
- Industrial Automation: Used in control systems, sensors, and other precision voltage reference applications.
- Medical Devices: Suitable for medical equipment requiring stable and accurate voltage references.
- Aerospace and Defense: Ideal for applications where high accuracy and reliability are critical.
- Consumer Electronics: Used in various consumer devices requiring precise voltage regulation.
- Automotive Systems: Although not automotive qualified, it can be used in non-critical automotive applications where high precision is needed.
Q & A
- What is the output voltage of the LM4040DIM3-2.0/NOPB?
The output voltage of the LM4040DIM3-2.0/NOPB is 2.048V.
- What is the package type of the LM4040DIM3-2.0/NOPB?
The package type is SOT-23-3.
- What is the operating temperature range of the LM4040DIM3-2.0/NOPB?
The operating temperature range is -40°C to 85°C.
- Does the LM4040DIM3-2.0/NOPB require an external stabilizing capacitor?
No, it does not require an external stabilizing capacitor.
- What is the maximum output current of the LM4040DIM3-2.0/NOPB?
The maximum output current is 15 mA.
- Is the LM4040DIM3-2.0/NOPB RoHS compliant?
Yes, it is RoHS compliant.
- What is the temperature coefficient of the LM4040DIM3-2.0/NOPB?
The temperature coefficient is 100 ppm/°C.
- What is the noise level of the LM4040DIM3-2.0/NOPB in the 10Hz to 10kHz range?
The noise level is 35 µVrms.
- What is the minimum operating current of the LM4040DIM3-2.0/NOPB?
The minimum operating current is 60 µA.
- Is the LM4040DIM3-2.0/NOPB suitable for automotive applications?
Although not automotive qualified, it can be used in non-critical automotive applications where high precision is needed.
