Overview
The LM4040B30IDBZR is a precision micropower shunt voltage reference produced by Texas Instruments. This device is part of the LM4040 series, known for its high accuracy and stability over a wide range of operating conditions. The LM4040B30IDBZR specifically provides a fixed output voltage of 3V, making it suitable for various applications requiring a stable voltage reference.
This component is designed to operate with minimal current consumption, requiring a minimum cathode current of 45μA, and is stable with all capacitive loads without the need for external capacitors. It is packaged in a space-saving SOT-23-3 package, which is ideal for portable and compact designs.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Output Voltage (VZ) | 3 | V | IZ = 100μA, 25°C |
| Output Voltage Tolerance (ΔVZ) | ±0.006 | V | IZ = 100μA, 25°C |
| Minimum Cathode Current (IZ,min) | 45 | μA | 25°C |
| Average Temperature Coefficient (αVZ) | ±100 | ppm/°C | IZ = 10mA, 25°C |
| Operating Temperature Range | –40°C to 85°C | ||
| Package Type | SOT-23-3 | ||
| Body Size (Nominal) | 2.92mm × 1.30mm | Including pins |
Key Features
- High Accuracy: The LM4040B30IDBZR offers high accuracy with an initial output voltage tolerance of ±0.2% (B grade).
- Low Temperature Coefficient: It has a low temperature coefficient of ±100 ppm/°C, ensuring stable output voltage over a wide temperature range.
- Low Dynamic Impedance and Noise: The device features low dynamic impedance and noise, contributing to its stability in various operating conditions.
- No External Capacitors Required: It is stable with all capacitive loads and does not require external capacitors for operation.
- Compact Packaging: Packaged in a space-saving SOT-23-3 package, making it ideal for portable and compact designs.
- Low Current Consumption: Requires a minimum cathode current of 45μA, suitable for power-sensitive applications.
Applications
- Portable Electronics: Ideal for battery-powered devices due to its low current consumption and compact packaging.
- Automotive Systems: Suitable for automotive applications requiring stable voltage references over a wide temperature range.
- Industrial Control Systems: Used in industrial control systems where high accuracy and stability of voltage references are crucial.
- Medical Devices: Applicable in medical devices that require precise voltage references for accurate measurements and operations.
- Consumer Electronics: Used in various consumer electronics where stable voltage references are necessary for reliable operation.
Q & A
- What is the output voltage of the LM4040B30IDBZR?
The output voltage of the LM4040B30IDBZR is 3V.
- What is the initial output voltage tolerance of the LM4040B30IDBZR?
The initial output voltage tolerance is ±0.2% (B grade).
- What is the operating temperature range of the LM4040B30IDBZR?
The operating temperature range is –40°C to 85°C.
- Does the LM4040B30IDBZR require external capacitors for operation?
No, it does not require external capacitors for operation and is stable with all capacitive loads.
- What is the minimum cathode current required for the LM4040B30IDBZR?
The minimum cathode current required is 45μA.
- What is the package type of the LM4040B30IDBZR?
The package type is SOT-23-3.
- What is the average temperature coefficient of the LM4040B30IDBZR?
The average temperature coefficient is ±100 ppm/°C.
- Is the LM4040B30IDBZR RoHS compliant?
- What are some common applications of the LM4040B30IDBZR?
- What is the body size of the LM4040B30IDBZR package?
The body size is 2.92mm × 1.30mm, including pins.
