Overview
The LM4040C25QDBZRG4 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 LM4040C25QDBZRG4 offers a fixed output voltage of 2.5V, making it suitable for various applications requiring a stable voltage reference.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.5 | V |
| Output Voltage Tolerance (C Grade) | ±0.5% | % |
| Temperature Coefficient (C Grade) | ±100 ppm/°C | ppm/°C |
| Minimum Cathode Current | 45 | μA |
| Typical Cathode Current | 75 | μA |
| Maximum Cathode Current | 80 | μA |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | SOT-23-3, SC-70 |
Key Features
- Fixed output voltage of 2.5V with tight output tolerances and low temperature coefficient.
- No external capacitors required for operation; stable with all capacitive loads.
- Low dynamic impedance and low noise.
- Minimum cathode current of 45μA (typical) and maximum of 80μA.
- Available in space-saving SOT-23-3 and SC-70 packages.
- Ideal for portable applications due to its low power consumption.
Applications
The LM4040C25QDBZRG4 is suitable for a variety of applications that require a stable and accurate voltage reference. These include:
- Portable electronics and battery-powered devices.
- Industrial control systems and automation.
- Medical devices requiring precise voltage references.
- Aerospace and defense applications where high reliability is crucial.
- General-purpose voltage regulation in electronic circuits.
Q & A
- What is the output voltage of the LM4040C25QDBZRG4?
The output voltage is 2.5V. - What is the temperature coefficient for the C grade of the LM4040C25QDBZRG4?
The temperature coefficient is ±100 ppm/°C. - Does the LM4040C25QDBZRG4 require external capacitors for operation?
No, it does not require external capacitors for operation. - What is the minimum cathode current for the LM4040C25QDBZRG4?
The minimum cathode current is 45μA. - What are the available package types for the LM4040C25QDBZRG4?
The available package types are SOT-23-3 and SC-70. - What is the operating temperature range for the LM4040C25QDBZRG4?
The operating temperature range is –40°C to 125°C. - Is the LM4040C25QDBZRG4 suitable for portable applications?
Yes, it is ideal for portable applications due to its low power consumption. - What are some common applications for the LM4040C25QDBZRG4?
Common applications include portable electronics, industrial control systems, medical devices, aerospace and defense, and general-purpose voltage regulation. - How accurate is the output voltage of the LM4040C25QDBZRG4?
The output voltage tolerance for the C grade is ±0.5%. - What is the typical cathode current for the LM4040C25QDBZRG4?
The typical cathode current is 75μA.
