Overview
The LM4040D30QDBZR is a precision micropower shunt voltage reference produced by Texas Instruments. This component is designed to provide a stable and accurate voltage reference, making it suitable for a wide range of applications where precision voltage regulation is critical. The LM4040 series is known for its tight output tolerances and low temperature coefficient, ensuring reliable performance across various operating conditions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 3V | V | Fixed output voltage |
| Output Tolerance | ±1% | % | Initial accuracy |
| Temperature Coefficient | 150 ppm/°C | ppm/°C | Average temperature coefficient of reverse breakdown voltage |
| Minimum Cathode Current | 45 μA | μA | At 25°C |
| Maximum Cathode Current | 82 μA | μA | Full range |
| Operating Temperature Range | -40°C to 125°C | °C | |
| Package Type | SOT-23-3 | Surface mount package | |
| Noise (0.1Hz to 10Hz) | - | Not specified for this range | |
| Noise (10Hz to 10kHz) | 35 µVrms | µVrms |
Key Features
- Precision Output Voltage: The LM4040D30QDBZR offers a fixed output voltage of 3V with tight output tolerances.
- Low Temperature Coefficient: The component has a low temperature coefficient of 150 ppm/°C, ensuring stable performance across a wide temperature range.
- Micropower Operation: It operates with a minimum cathode current of 45 μA, making it suitable for low-power applications.
- Wide Operating Temperature Range: The device can operate from -40°C to 125°C, making it versatile for various environmental conditions.
- Compact Package: Available in a SOT-23-3 package, which is a surface mount type, facilitating easy integration into modern circuit designs.
Applications
- Power Supply Systems: Used in voltage regulation and reference circuits within power supply systems.
- Industrial Automation: Suitable for precision voltage referencing in industrial automation and control systems.
- Aerospace and Defense: Due to its high accuracy and reliability, it is used in aerospace and defense applications.
- Medical Devices: Employed in medical devices where precise voltage regulation is essential.
- Automotive Systems: Used in automotive systems for reliable voltage referencing.
Q & A
- What is the output voltage of the LM4040D30QDBZR?
The output voltage of the LM4040D30QDBZR is 3V.
- What is the temperature coefficient of the LM4040D30QDBZR?
The temperature coefficient is 150 ppm/°C.
- What is the minimum cathode current for the LM4040D30QDBZR?
The minimum cathode current is 45 μA at 25°C.
- What is the operating temperature range of the LM4040D30QDBZR?
The operating temperature range is from -40°C to 125°C.
- In what package is the LM4040D30QDBZR available?
The LM4040D30QDBZR is available in a SOT-23-3 package.
- What is the noise specification for the LM4040D30QDBZR in the 10Hz to 10kHz range?
The noise specification in the 10Hz to 10kHz range is 35 µVrms.
- Is the LM4040D30QDBZR RoHS compliant?
- What are some typical applications of the LM4040D30QDBZR?
Typical applications include power supply systems, industrial automation, aerospace and defense, medical devices, and automotive systems.
- How accurate is the output voltage of the LM4040D30QDBZR?
The output voltage has an initial accuracy of ±1%.
- What is the maximum cathode current for the LM4040D30QDBZR?
The maximum cathode current is 82 μA.
