Overview
The LM4040D41IDBZR is a precision micropower shunt voltage reference produced by Texas Instruments. This component is part of the LM4040 series, which offers a range of fixed output voltages and is designed for versatility and ease of use. The LM4040D41IDBZR specifically provides a fixed output voltage of 4.096V and is packaged in a space-saving SOT-23-3 package. It is characterized for operation over an ambient temperature range of –40°C to 125°C, making it suitable for a wide range of applications, including portable and automotive systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 4.096 | V |
| Output Voltage Tolerance | ±1.0% (D Grade) | % |
| Temperature Coefficient | ±150 ppm/°C | ppm/°C |
| Minimum Cathode Current | 45 μA (typical) | μA |
| Maximum Operating Current | 15 mA | mA |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | SOT-23-3 | |
| Package Size | 2.92mm × 1.30mm | mm |
| Noise | 35 μVRMS (typical) | μVRMS |
Key Features
- Fixed output voltages of 4.096V 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.
- Wide operating current range: 45 μA to 15 mA.
- Available in extended temperature range: –40°C to 125°C.
- Space-saving SOT-23-3 package, ideal for portable applications.
- Four output voltage tolerances available: A Grade (0.1%), B Grade (0.2%), C Grade (0.5%), and D Grade (1.0%).
Applications
The LM4040D41IDBZR is suitable for a variety of applications due to its precision, low power consumption, and stability. Key applications include:
- Portable electronic devices where low power consumption is critical.
- Automotive systems requiring stable voltage references over a wide temperature range.
- Industrial control systems where precision voltage references are necessary.
- Medical devices that require stable and accurate voltage references.
- General-purpose voltage reference applications in various electronic systems.
Q & A
- What is the output voltage of the LM4040D41IDBZR?
The output voltage of the LM4040D41IDBZR is 4.096V.
- What is the temperature coefficient of the LM4040D41IDBZR?
The temperature coefficient of the LM4040D41IDBZR is ±150 ppm/°C.
- Does the LM4040D41IDBZR require external capacitors for operation?
No, the LM4040D41IDBZR does not require external capacitors for operation and is stable with all capacitive loads.
- What is the minimum cathode current for the LM4040D41IDBZR?
The minimum cathode current for the LM4040D41IDBZR is 45 μA (typical).
- What is the operating temperature range of the LM4040D41IDBZR?
The operating temperature range of the LM4040D41IDBZR is –40°C to 125°C.
- In what package is the LM4040D41IDBZR available?
The LM4040D41IDBZR is available in a SOT-23-3 package.
- What are the key features of the LM4040D41IDBZR?
The key features include fixed output voltage, tight output tolerances, low temperature coefficient, no external capacitors required, low dynamic impedance, and low noise.
- What are some typical applications of the LM4040D41IDBZR?
Typical applications include portable electronic devices, automotive systems, industrial control systems, medical devices, and general-purpose voltage reference applications.
- How does the LM4040D41IDBZR handle capacitive loads?
The LM4040D41IDBZR is stable with all capacitive loads and does not require any external capacitors for operation.
- What is the maximum operating current of the LM4040D41IDBZR?
The maximum operating current of the LM4040D41IDBZR is 15 mA.
