Overview
The LM4040BIM3-3.0 is a precision micropower shunt voltage reference produced by Texas Instruments. It is designed to provide a stable voltage reference with high accuracy and low noise, making it suitable for a wide range of applications.
Key Specifications
| Specification | Value | Conditions |
|---|---|---|
| Output Voltage | 3.0V | Fixed reverse breakdown voltage |
| Output Voltage Tolerance (A Grade, 25°C) | ±0.1% (maximum) | TJ = 25°C |
| Output Noise (10Hz to 10kHz) | 35µVrms (typical) | IR = 100µA |
| Operating Current Range | 60µA to 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 (DBZ) | 3 pins |
Key Features
- AEC Q-100 Qualified: Suitable for automotive applications with extended and industrial temperature grades.
- Small Packages: Available in SOT-23, TO-92, and SC70 packages.
- No Output Capacitor Required: Simplifies circuit design.
- Tolerates Capacitive Loads: Ensures stability in various load conditions.
- Fixed Reverse Breakdown Voltages: Available in multiple voltages including 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- Low Output Noise: Typical noise of 35µVrms from 10Hz to 10kHz.
- Wide Operating Current Range: Operates from 60µA to 15mA.
Applications
- Field Transmitters: Used in industrial process control and measurement.
- Energy Infrastructure: Suitable for applications in energy management and monitoring.
- Portable, Battery-Powered Equipment: Ideal for devices like notebook computers and cell phones.
- Automotive Systems: Qualified for automotive applications due to its AEC Q-100 certification.
- Industrial Process Controls: Used in various industrial automation and control systems.
Q & A
- Q: What is the output voltage of the LM4040BIM3-3.0?
A: The output voltage of the LM4040BIM3-3.0 is 3.0V. - Q: What is the output voltage tolerance of the LM4040BIM3-3.0 at 25°C?
A: The output voltage tolerance is ±0.1% (maximum) at 25°C. - Q: What is the typical output noise of the LM4040BIM3-3.0?
A: The typical output noise is 35µVrms from 10Hz to 10kHz. - Q: What is the operating current range of the LM4040BIM3-3.0?
A: The operating current range is from 60µA to 15mA. - Q: What are the available package types for the LM4040?
A: The LM4040 is available in SOT-23, TO-92, and SC70 packages. - Q: Does the LM4040 require an output capacitor?
A: No, the LM4040 does not require an output capacitor. - Q: What are the temperature ranges for the LM4040?
A: The industrial temperature range is −40°C to +85°C, and the extended temperature range is −40°C to +125°C. - Q: What is the temperature coefficient of the LM4040?
A: The temperature coefficient is 100ppm/°C (maximum). - Q: Is the LM4040 suitable for automotive applications?
A: Yes, the LM4040 is AEC Q-100 qualified for automotive applications. - Q: What are some common applications of the LM4040?
A: Common applications include field transmitters, energy infrastructure, portable battery-powered equipment, automotive systems, and industrial process controls.
