Overview
The LM4041B12IDBZR is a precision voltage reference component manufactured by Texas Instruments. This product belongs to the category of shunt voltage references and is designed to provide a stable and accurate 1.225V output. The LM4041B12IDBZR is widely used in applications requiring precise voltage regulation, such as analog-to-digital converters, power supplies, and portable electronics. Its compact SOT-23 package and low power consumption make it ideal for space-constrained and battery-powered devices. The device is positioned as a cost-effective and reliable solution for designers seeking high precision and stability in voltage reference applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.225 | V | ±0.1% initial accuracy |
| Operating Current | 45 to 15,000 | µA | |
| Temperature Range | -40 to +125 | °C | |
| Package | SOT-23 | 3-pin | |
| Initial Accuracy | ±0.1 | % | |
| Temperature Coefficient | 100 | ppm/°C | |
| Output Noise | 35 | µVRMS | 10Hz to 10kHz |
| Long-Term Stability | 20 | ppm/1000hr |
Key Features
- High Precision: Provides a stable 1.225V output with ±0.1% initial accuracy.
- Low Power Consumption: Operates with a current range of 45µA to 15mA, making it suitable for battery-powered devices.
- Compact Package: Available in a small SOT-23 package, ideal for space-constrained designs.
- Wide Temperature Range: Operates reliably from -40°C to +125°C, ensuring performance in harsh environments.
- Low Noise: Output noise of 35µVRMS ensures clean voltage reference for sensitive applications.
Applications
The LM4041B12IDBZR is suitable for a wide range of applications, including:
- Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate signal conversion.
- Power Supplies: Ensures precise voltage regulation in DC-DC converters and linear regulators.
- Portable Electronics: Ideal for battery-powered devices due to its low power consumption and compact size.
- Industrial Equipment: Used in control systems and sensors requiring high precision and reliability.
- Automotive Electronics: Suitable for applications demanding stable performance under varying temperatures.
Q & A
1. What is the output voltage of the LM4041B12IDBZR?
The output voltage is 1.225V with an initial accuracy of ±0.1%.
2. What is the operating current range of this device?
The operating current ranges from 45µA to 15mA.
3. What package does the LM4041B12IDBZR come in?
It is available in a 3-pin SOT-23 package.
4. What is the temperature range for operation?
The device operates from -40°C to +125°C.
5. How accurate is the output voltage?
The initial accuracy is ±0.1%.
6. What is the temperature coefficient of the LM4041B12IDBZR?
The temperature coefficient is 100ppm/°C.
7. What is the output noise level?
The output noise is 35µVRMS from 10Hz to 10kHz.
8. Is this device suitable for battery-powered applications?
Yes, its low power consumption makes it ideal for battery-powered devices.
9. Can the LM4041B12IDBZR be used in automotive applications?
Yes, it is suitable for automotive electronics due to its wide temperature range and reliability.
10. What is the long-term stability of this voltage reference?
The long-term stability is 20ppm/1000 hours.
