Overview
The LM4040C41IDBZRG4 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 over a wide range of operating conditions. The LM4040C41IDBZRG4 specifically offers a fixed output voltage of 4.096V, making it suitable for various applications requiring precise voltage referencing.
It is packaged in a space-saving SOT-23-3 package, which is ideal for portable and compact designs. The device operates with a minimum current of 45μA (typical) and is stable with all capacitive loads without requiring external capacitors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 4.096 | V |
| Output Voltage Tolerance (C Grade) | ±0.5% | |
| Temperature Coefficient (C Grade) | ±100 ppm/°C | |
| Minimum Cathode Current | 45 | μA |
| Operating Temperature Range (I Version) | –40°C to 85°C | |
| Operating Temperature Range (Q Version) | –40°C to 125°C | |
| Package Type | SOT-23-3 | |
| Package Size | 2.92mm × 1.30mm |
Key Features
- Fixed Output Voltages: Available in several fixed output voltages, including 4.096V for the LM4040C41IDBZRG4.
- Tight Output Tolerances: Offers high accuracy with output voltage tolerances ranging from 0.1% to 1% depending on the grade.
- Low Temperature Coefficient: Ensures stable output voltage over a wide temperature range with a low temperature coefficient.
- No External Capacitors Required: Stable with all capacitive loads without the need for external capacitors.
- Low Dynamic Impedance and Noise: Maintains a stable output voltage with low dynamic impedance and noise.
- Space-Saving Package: Packaged in a compact SOT-23-3 package, ideal for portable and space-constrained applications.
Applications
- Portable Electronics: Suitable for battery-powered devices due to its low current consumption and compact package.
- Industrial Automation: Used in various industrial control systems requiring precise voltage referencing.
- Medical Devices: Ideal for medical equipment that demands high accuracy and stability in voltage reference.
- Aerospace and Defense: Can be used in applications requiring high reliability and precision over a wide temperature range.
- Consumer Electronics: Used in audio, video, and other consumer electronic devices needing stable voltage references.
Q & A
- What is the output voltage of the LM4040C41IDBZRG4?
The output voltage of the LM4040C41IDBZRG4 is 4.096V.
- What is the typical minimum cathode current for the LM4040C41IDBZRG4?
The typical minimum cathode current is 45μA.
- Does the LM4040C41IDBZRG4 require external capacitors for operation?
No, it does not require external capacitors for operation and is stable with all capacitive loads.
- What is the operating temperature range for the LM4040C41IDBZRG4 (I Version)?
The operating temperature range for the I Version is –40°C to 85°C.
- What is the package type and size of the LM4040C41IDBZRG4?
The package type is SOT-23-3, and the package size is 2.92mm × 1.30mm.
- What are the key features of the LM4040C41IDBZRG4?
Key features include fixed output voltage, tight output tolerances, low temperature coefficient, no need for external capacitors, low dynamic impedance, and low noise.
- In what types of applications is the LM4040C41IDBZRG4 commonly used?
It is commonly used in portable electronics, industrial automation, medical devices, aerospace and defense, and consumer electronics.
- How does the LM4040C41IDBZRG4 achieve its high accuracy?
The device uses fuse and Zener-zap reverse breakdown voltage trim during wafer sort to achieve high accuracy.
- What is the temperature coefficient for the C Grade of the LM4040C41IDBZRG4?
The temperature coefficient for the C Grade is ±100 ppm/°C.
- Is the LM4040C41IDBZRG4 suitable for high-temperature applications?
Yes, the Q Version of the LM4040 is characterized for operation over an ambient temperature range of –40°C to 125°C.
