Overview
The LM4040D10IDBZR is a precision micropower shunt voltage reference produced by Texas Instruments. This component is part of the LM4040 series, known for its versatility and ease of use across a wide range of applications. The LM4040D10IDBZR offers a fixed output voltage of 10V and is packaged in a SOT-23 (DBZ) package with 3 pins. It is characterized by its low dynamic impedance, low noise, and low temperature coefficient, ensuring a stable output voltage over various operating currents and temperatures.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 10V | V |
| Output Voltage Tolerance | ±1% (D Grade) | % |
| Temperature Coefficient | 150 ppm/°C (D Grade) | ppm/°C |
| Minimum Cathode Current | 45 μA (typical) | μA |
| Maximum Operating Current | 15 mA | mA |
| Operating Temperature Range | –40°C to 125°C | °C |
| Output Noise | 35 μVRMS (typical) | μVRMS |
| Package Type | SOT-23 (DBZ) | |
| Number of Pins | 3 |
Key Features
- Fixed output voltages of 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V (specifically 10V for the LM4040D10IDBZR)
- Tight output tolerances and low temperature coefficient: Maximum 0.1% to 1.0% initial accuracy and 100 ppm/°C to 150 ppm/°C temperature coefficient depending on the grade
- Low output noise: 35 μVRMS typical
- Wide operating current range: 45 μA typical to 15 mA
- Stable with all capacitive loads; no output capacitor required
- Available in extended temperature range: –40°C to 125°C
Applications
- Data-Acquisition Systems
- Energy Infrastructure
- Analog Input Module
- Field Transmitters
- Precision Audio
- Automotive Electronics
Q & A
- What is the output voltage of the LM4040D10IDBZR?
The output voltage of the LM4040D10IDBZR is 10V.
- What is the temperature coefficient of the LM4040D10IDBZR?
The temperature coefficient of the LM4040D10IDBZR is 150 ppm/°C for the D grade.
- What is the minimum cathode current required for the LM4040D10IDBZR?
The minimum cathode current required is 45 μA (typical).
- Does the LM4040D10IDBZR require an external capacitor for operation?
No, the LM4040D10IDBZR is stable with all capacitive loads and does not require an external capacitor.
- What is the operating temperature range of the LM4040D10IDBZR?
The operating temperature range is –40°C to 125°C.
- What are the typical applications of the LM4040 series?
Typical applications include data-acquisition systems, energy infrastructure, analog input modules, field transmitters, precision audio, and automotive electronics.
- What is the package type and number of pins for the LM4040D10IDBZR?
The package type is SOT-23 (DBZ) with 3 pins.
- What is the maximum operating current for the LM4040D10IDBZR?
The maximum operating current is 15 mA.
- How is the output voltage tolerance specified for the LM4040D10IDBZR?
The output voltage tolerance is ±1% for the D grade.
- What is the typical output noise of the LM4040D10IDBZR?
The typical output noise is 35 μVRMS.
