Overview
The LM4040D30IDBZRG4 is a precision micropower shunt voltage reference produced by Texas Instruments. This component is part of the LM4040 series, known for its high accuracy and stability. The LM4040D30IDBZRG4 specifically offers a fixed output voltage of 3V, making it suitable for a variety of applications requiring a stable voltage reference.
This device is characterized by its low dynamic impedance, low noise, and low temperature coefficient, ensuring a stable output voltage over a wide range of operating currents and temperatures. It is packaged in a space-saving SOT-23-3 package, which is ideal for portable and compact designs.
Key Specifications
| Parameter | Unit | Minimum | Typical | Maximum |
|---|---|---|---|---|
| Output Voltage (VZ) | V | 2.985 | 3 | 3.015 |
| Output Voltage Tolerance (ΔVZ) | mV | -30 | - | 30 |
| Minimum Cathode Current (IZ,min) | μA | 45 | 75 | 80 |
| Average Temperature Coefficient (αVZ) | ppm/°C | -150 | - | 150 |
| Operating Temperature Range (TA) | °C | -40 | - | 85 |
| Package Type | - | SOT-23-3 | - | - |
| Package Size | mm | 2.92 x 1.30 | - | - |
Key Features
- Fixed Output Voltages: Available in several fixed output voltages including 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- Tight Output Tolerances: Offers initial accuracy ranging from 0.1% to 1% depending on the grade.
- Low Temperature Coefficient: Ensures stability with a temperature coefficient as low as 100 ppm/°C for some grades.
- No External Capacitors Required: Stable operation without the need for external capacitors.
- Low Dynamic Impedance and Noise: Provides a stable output voltage with low dynamic impedance and noise.
- Compact Packaging: Available in space-saving SOT-23 and SC-70 packages.
- Low Minimum Cathode Current: Operates with a minimum cathode current of 45μA (typical).
Applications
- Portable Electronics: Ideal for battery-powered devices due to its low power consumption and compact size.
- Industrial Automation: Suitable for applications requiring stable voltage references in industrial environments.
- Medical Devices: Used in medical equipment where precise voltage references are critical.
- Automotive Systems: Applicable in automotive systems that require stable voltage references over a wide temperature range.
- Consumer Electronics: Found in various consumer electronics where a reliable voltage reference is necessary.
Q & A
- What is the output voltage of the LM4040D30IDBZRG4?
The output voltage of the LM4040D30IDBZRG4 is 3V.
- What is the typical minimum cathode current for the LM4040D30IDBZRG4?
The typical minimum cathode current is 75μA.
- What is the operating temperature range for the LM4040D30IDBZRG4?
The operating temperature range is -40°C to 85°C.
- Does the LM4040D30IDBZRG4 require external capacitors for operation?
No, it does not require external capacitors for stable operation.
- What is the package type of the LM4040D30IDBZRG4?
The package type is SOT-23-3.
- What are the key features of the LM4040 series?
Key features include fixed output voltages, tight output tolerances, low temperature coefficient, low dynamic impedance, and low noise.
- Where is the LM4040D30IDBZRG4 typically used?
It is typically used in portable electronics, industrial automation, medical devices, automotive systems, and consumer electronics.
- What is the average temperature coefficient of the LM4040D30IDBZRG4?
The average temperature coefficient is ±150 ppm/°C.
- Is the LM4040D30IDBZRG4 RoHS compliant?
Yes, it is RoHS compliant.
- What is the initial accuracy of the LM4040D30IDBZRG4?
The initial accuracy is 1% for the D grade.
