Overview
The LM4040D30IDBZR is a precision micropower shunt voltage reference from 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 LM4040D30IDBZR offers a fixed output voltage of 3V, making it suitable for various precision voltage reference needs. It is characterized by its tight output tolerances, low temperature coefficient, and low output noise, ensuring stable operation over a broad range of operating currents and temperatures.
Key Specifications
| Parameter | Test Conditions | Unit | Min | Max | |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage (VZ) | IZ = 100μA, 25°C | V | 2.97 | 3 | 3.03 |
| Reverse Breakdown Voltage Tolerance (ΔVZ) | IZ = 100μA, 25°C | mV | -30 | 0 | 30 |
| Minimum Cathode Current (IZ,min) | 25°C | μA | 45 | 75 | 80 |
| Average Temperature Coefficient (αVZ) | IZ = 10mA, 25°C | ppm/°C | ±20 | ±20 | ±150 |
| Operating Temperature Range | - | °C | -40 | - | 85 |
| Package | - | - | - | SOT-23-3 | - |
| Body Size (Nominal) | - | mm | - | 2.92 × 1.30 | - |
Key Features
- Fixed output voltage of 3V with tight output tolerances and low temperature coefficient (maximum 1.0% initial accuracy and 150 ppm/°C for D grade).
- 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 models.
- Space-saving SOT-23-3 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 LM4040D30IDBZR?
The output voltage of the LM4040D30IDBZR is 3V.
- What are the temperature coefficients for the LM4040D30IDBZR?
The temperature coefficient for the LM4040D30IDBZR is ±150 ppm/°C.
- What is the minimum cathode current required for the LM4040D30IDBZR?
The minimum cathode current required is 45μA.
- Does the LM4040D30IDBZR require an output capacitor for stability?
No, the LM4040D30IDBZR is stable with all capacitive loads and does not require an output capacitor.
- What are the package options for the LM4040D30IDBZR?
The LM4040D30IDBZR is available in SOT-23-3 and SC-70 packages.
- What is the operating temperature range for the LM4040D30IDBZR?
The operating temperature range for the LM4040D30IDBZR is –40°C to 85°C.
- What are some typical applications for the LM4040D30IDBZR?
Typical applications include data-acquisition systems, energy infrastructure, analog input modules, field transmitters, precision audio, and automotive electronics.
- What is the noise level of the LM4040D30IDBZR?
The LM4040D30IDBZR has a low output noise of 35μVRMS typical.
- What is the maximum output voltage tolerance for the LM4040D30IDBZR?
The maximum output voltage tolerance for the LM4040D30IDBZR is ±1.0%.
- Is the LM4040D30IDBZR suitable for portable applications?
Yes, the LM4040D30IDBZR is suitable for portable applications due to its low current requirements and space-saving packages.
