Overview
The LM4040A41IDBZRG4 is a precision micropower shunt voltage reference produced by Texas Instruments. This device is part of the LM4040 series, known for its versatility and ease of use across a wide range of applications. The LM4040A41IDBZRG4 offers a fixed output voltage of 4.096V, making it suitable for various precision voltage reference needs. It is packaged in a space-saving SOT-23-3 package and is characterized for operation over an ambient temperature range of –40°C to 85°C.
Key Specifications
| Parameter | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|
| Output Voltage (VZ) | 4.096 | - | - | V |
| Output Voltage Tolerance (ΔVZ) | - | -2 mV | 2 mV | mV |
| Minimum Cathode Current (IZ,min) | 45 μA | - | 80 μA | μA |
| Average Temperature Coefficient (αVZ) | ±15 ppm/°C | - | ±100 ppm/°C | ppm/°C |
| Operating Temperature Range (TA) | - | -40°C | 85°C | °C |
| Package Type | SOT-23-3 | - | - | - |
| Output Noise | 35 μVRMS | - | - | μVRMS |
Key Features
- Fixed output voltage of 4.096V with tight output tolerances (0.1% maximum for A grade)
- Low temperature coefficient (100 ppm/°C for A grade)
- Low output noise: 35 μVRMS typical
- Wide operating current range: 45 μA to 15 mA
- Stable with all capacitive loads; no output capacitor required
- Available in extended temperature range: –40°C to 85°C
- Space-saving SOT-23-3 package
Applications
- Data-Acquisition Systems
- Energy Infrastructure
- Analog Input Module
- Field Transmitters
- Precision Audio
- Automotive Electronics
Q & A
- What is the output voltage of the LM4040A41IDBZRG4?
The output voltage of the LM4040A41IDBZRG4 is 4.096V.
- What is the temperature coefficient of the LM4040A41IDBZRG4?
The temperature coefficient is ±15 ppm/°C for the A grade.
- What is the minimum cathode current required for the LM4040A41IDBZRG4?
The minimum cathode current is 45 μA.
- Does the LM4040A41IDBZRG4 require an output capacitor?
No, the LM4040A41IDBZRG4 is stable with all capacitive loads and does not require an output capacitor.
- What is the operating temperature range of the LM4040A41IDBZRG4?
The operating temperature range is –40°C to 85°C.
- What package type is the LM4040A41IDBZRG4 available in?
The LM4040A41IDBZRG4 is available in a SOT-23-3 package.
- What are some common applications of the LM4040A41IDBZRG4?
Common applications include data-acquisition systems, energy infrastructure, analog input modules, field transmitters, precision audio, and automotive electronics.
- How much noise does the LM4040A41IDBZRG4 produce?
The output noise is typically 35 μVRMS.
- What is the tolerance of the output voltage for the A grade LM4040A41IDBZRG4?
The output voltage tolerance for the A grade is ±0.1%.
- Can the LM4040A41IDBZRG4 be used in high-temperature environments?
Yes, it is characterized for operation up to 85°C.
