Overview
The LM4040B25IDBZRG4 is a precision micropower shunt voltage reference integrated circuit (IC) manufactured by Texas Instruments. This device is designed to provide a stable output voltage of 2.5V with high accuracy and low temperature coefficient, making it ideal for applications that require precise voltage references in varying environmental conditions. The IC operates within a supply voltage range of 2.7V to 30V and can handle a maximum output current of 20mA. Its compact SOT-23-3 package and robust construction make it suitable for a wide range of electronic systems, including measurement systems, power supply circuits, and signal conditioning applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | SOT-23-3 |
| Voltage Reference | 2.5V ±0.5% |
| Temperature Coefficient | 10 ppm/°C |
| Maximum Output Current | 20mA |
| Supply Voltage Range | 2.7V to 30V |
| Operating Temperature Range | -40°C to 125°C |
| Noise | 60µVrms typ. |
| RoHS Status | Lead Free / RoHS Compliant |
Key Features
- Precision Voltage Reference: Provides a stable output voltage of 2.5V with ±0.5% accuracy.
- Low Temperature Coefficient: Ensures the output voltage remains stable across a wide temperature range with a coefficient of 10 ppm/°C.
- High Output Current Capability: Can handle a maximum output current of 20mA.
- Wide Supply Voltage Range: Operates within a supply voltage range of 2.7V to 30V.
- Low Noise: Features low output noise of 60µVrms typical.
- Compact Package: Available in a small SOT-23-3 package, ideal for space-constrained applications.
Applications
- Precision Voltage References in Measurement Systems: Ideal for applications requiring accurate voltage references.
- Voltage Regulation in Power Supply Circuits: Used in power supply circuits to maintain stable output voltages.
- Calibration of Electronic Components: Utilized for calibrating other electronic components.
- Analog-to-Digital Converters (ADCs): Suitable for ADC applications requiring precise voltage references.
- Signal Conditioning and Filtering Applications: Used in signal conditioning and filtering circuits.
- Power Supply Monitors and Control Circuits: Employed in power supply monitors and control circuits.
Q & A
- What is the maximum output current of the LM4040B25IDBZRG4?
The maximum output current is 20mA.
- What is the significance of the low temperature coefficient?
A low temperature coefficient ensures that the output voltage remains stable across varying temperatures, enhancing the reliability of the voltage reference.
- Can this IC be used for portable battery applications?
- What package type is the LM4040B25IDBZRG4 available in?
The IC is available in a SOT-23-3 package, making it ideal for space-constrained applications.
- Is this IC suitable for high-speed applications?
- What is the operating temperature range of the LM4040B25IDBZRG4?
- Is the LM4040B25IDBZRG4 RoHS compliant?
- What is the typical noise level of the LM4040B25IDBZRG4?
- How does the LM4040B25IDBZRG4 generate its reference voltage?
- What are some alternative models to the LM4040B25IDBZRG4?
