Overview
The LM4040D41IDBZRG4 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 LM4040D41IDBZRG4 offers a fixed output voltage of 4.096V and is characterized by its tight output tolerances and low temperature coefficient, making it ideal for applications requiring stable voltage references.
Key Specifications
| Parameter | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|
| Output Voltage (VZ) | 4.096 | - | - | V |
| Output Voltage Tolerance (ΔVZ) | -25 to 25 | -49 | 49 | mV |
| Minimum Cathode Current (IZ,min) | 45 | 45 | 80 | μA |
| Average Temperature Coefficient (αVZ) | ±15 | ±15 | ±150 | ppm/°C |
| Operating Temperature Range | - | -40°C | 85°C | °C |
| Package Type | SOT-23 | - | - | - |
| Body Size (Nominal) | 2.92mm × 1.30mm | - | - | mm |
Key Features
- Fixed output voltage of 4.096V with tight output tolerances (maximum 1.0% for D grade) and low temperature coefficient (maximum 150 ppm/°C).
- Low output noise: 35μVRMS typical.
- Wide operating current range: 45μA typical to 15mA.
- Stable with all capacitive loads; no output capacitor required.
- Available in extended temperature range: –40°C to 125°C for certain grades.
- Space-saving SOT-23 and SC-70 packages.
Applications
- Data-Acquisition Systems
- Energy Infrastructure
- Analog Input Module
- Field Transmitters
- Precision Audio
- Automotive Electronics
Q & A
- What is the output voltage of the LM4040D41IDBZRG4? The output voltage of the LM4040D41IDBZRG4 is 4.096V.
- What are the output voltage tolerances for the LM4040 series? The output voltage tolerances range from 0.1% (A grade) to 1.0% (D grade).
- What is the temperature coefficient of the LM4040D41IDBZRG4? The temperature coefficient is ±150 ppm/°C for the D grade.
- What is the minimum cathode current required for the LM4040D41IDBZRG4? The minimum cathode current is 45μA.
- Does the LM4040D41IDBZRG4 require an output capacitor for stability? No, the LM4040D41IDBZRG4 is stable with all capacitive loads and does not require an output capacitor.
- What are the typical operating temperature ranges for the LM4040D41IDBZRG4? The typical operating temperature range is –40°C to 85°C, with some grades extending to 125°C.
- What package types are available for the LM4040 series? The LM4040 series is available in SOT-23 and SC-70 packages.
- What are some common applications of the LM4040 series? Common applications include data-acquisition systems, energy infrastructure, analog input modules, field transmitters, precision audio, and automotive electronics.
- How does the LM4040D41IDBZRG4 handle noise? The LM4040D41IDBZRG4 has low output noise, typically 35μVRMS.
- What is the maximum operating current for the LM4040D41IDBZRG4? The maximum operating current is 15mA.
