Overview
The LM4040AIM3-2.5/NOPB is a precision micropower shunt voltage reference produced by Texas Instruments. This component is designed for space-critical applications and offers high accuracy and stability over a wide range of operating temperatures and currents. It is part of the LM4040-N series, which is known for its low dynamic impedance and bandgap reference temperature drift curvature correction, ensuring stable reverse breakdown voltage accuracy.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | LM4040AIM3-2.5/NOPB |
| Reference Type | Shunt |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 2.5 V |
| Current - Output | 15 mA |
| Package / Case | SOT-23-3 |
| Tolerance | ±0.1 % |
| Operating Temperature | -40°C to +85°C |
| Temperature Coefficient | 100 ppm/°C |
| Noise 10Hz~10kHz | 35 µVrms |
| Current Cathode | 65 µA |
| RoHS | Yes |
| Package Body Material | Plastic/Epoxy |
| Terminal Finish | Matte Tin (Sn) |
| Length | 2.92 mm |
| Width | 1.3 mm |
| Height | 0.93 mm |
Key Features
- No external stabilizing capacitor required, maintaining stability with any capacitive load.
- High accuracy with an output voltage tolerance of ±0.1% at 25°C.
- Low output noise of 35 µVrms (typical) from 10Hz to 10kHz.
- Wide operating current range from 60 µA to 15 mA.
- Industrial temperature range of -40°C to +85°C and extended temperature range of -40°C to +125°C for certain grades.
- Low temperature coefficient of 100 ppm/°C (maximum).
- Available in small surface-mount packages such as SOT-23, TO-92, and SC70.
- RoHS compliant.
Applications
- Space-critical applications where precision voltage reference is essential.
- Automotive systems (LM4040-N-Q1 is AEC Q-100 qualified).
- Industrial control systems requiring stable voltage references.
- Medical devices that demand high accuracy and low noise.
- Telecommunication equipment where reliable voltage references are crucial.
Q & A
- What is the nominal output voltage of the LM4040AIM3-2.5/NOPB?
The nominal output voltage is 2.5 V.
- What is the package type of the LM4040AIM3-2.5/NOPB?
The package type is SOT-23-3.
- What is the operating temperature range of the LM4040AIM3-2.5/NOPB?
The operating temperature range is -40°C to +85°C.
- Does the LM4040AIM3-2.5/NOPB require an external stabilizing capacitor?
No, it does not require an external stabilizing capacitor.
- What is the maximum output current of the LM4040AIM3-2.5/NOPB?
The maximum output current is 15 mA.
- Is the LM4040AIM3-2.5/NOPB RoHS compliant?
Yes, it is RoHS compliant.
- What is the temperature coefficient of the LM4040AIM3-2.5/NOPB?
The temperature coefficient is 100 ppm/°C (maximum).
- What is the typical noise level of the LM4040AIM3-2.5/NOPB from 10Hz to 10kHz?
The typical noise level is 35 µVrms.
- What are the dimensions of the LM4040AIM3-2.5/NOPB package?
The dimensions are 2.92 mm x 1.3 mm x 0.93 mm.
- Is the LM4040AIM3-2.5/NOPB suitable for automotive applications?
The LM4040-N-Q1 version is AEC Q-100 qualified for automotive applications.
