Overview
The LM4040QCEM3-3.0/NOPB is a precision micropower shunt voltage reference produced by Texas Instruments. This component is designed for space-critical applications and is available in small surface-mount packages such as SOT-23, TO-92, and SC70. It is particularly suited for environments requiring high accuracy and stability over a wide range of temperatures. The LM4040QCEM3-3.0/NOPB is AEC Q-100 qualified, making it suitable for automotive applications, and it also meets industrial temperature range requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reverse Breakdown Voltage | 3.0 | V |
| Output Voltage Tolerance (A Grade, 25°C) | ±0.1% | |
| Output Noise (10Hz to 10kHz) | 35µVrms (typical) | |
| Minimum Operating Current | 60µA | |
| Maximum Operating Current | 15mA | |
| Industrial Temperature Range | −40°C to +85°C | |
| Extended Temperature Range | −40°C to +125°C | |
| Temperature Coefficient | 100ppm/°C (maximum) | |
| Package Type | SOT-23 |
Key Features
- No output capacitor required, eliminating the need for external stabilizing capacitors.
- Tolerates capacitive loads, ensuring stability with any capacitive load.
- Available in several fixed reverse breakdown voltages: 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- Small package options: SOT-23, TO-92, and SC70, making it ideal for space-critical applications.
- AEC Q-100 qualified for automotive applications and meets industrial temperature range requirements.
Applications
- Field Transmitters
- Energy Infrastructure
- Data Acquisition
- Analog Input Modules
- Automotive Systems
- Audio and Video Equipment
Q & A
- What is the primary function of the LM4040QCEM3-3.0/NOPB? The LM4040QCEM3-3.0/NOPB is a precision micropower shunt voltage reference.
- What are the available package types for the LM4040QCEM3-3.0/NOPB? It is available in SOT-23, TO-92, and SC70 packages.
- Does the LM4040QCEM3-3.0/NOPB require an external stabilizing capacitor? No, it does not require an external stabilizing capacitor.
- What is the temperature coefficient of the LM4040QCEM3-3.0/NOPB? The temperature coefficient is 100ppm/°C (maximum).
- What are the operating current ranges for the LM4040QCEM3-3.0/NOPB? The minimum operating current is 60µA, and the maximum operating current is 15mA.
- Is the LM4040QCEM3-3.0/NOPB suitable for automotive applications? Yes, it is AEC Q-100 qualified for automotive applications.
- What are the typical output noise levels for the LM4040QCEM3-3.0/NOPB? The typical output noise is 35µVrms over the 10Hz to 10kHz frequency range.
- What is the industrial temperature range for the LM4040QCEM3-3.0/NOPB? The industrial temperature range is −40°C to +85°C.
- What is the extended temperature range for the LM4040QCEM3-3.0/NOPB? The extended temperature range is −40°C to +125°C.
- In what types of applications is the LM4040QCEM3-3.0/NOPB commonly used? It is commonly used in field transmitters, energy infrastructure, data acquisition, analog input modules, automotive systems, and audio and video equipment.
