Overview
The LM4040C30IDBZR is a precision micropower shunt voltage reference produced by Texas Instruments. This device is part of the LM4040 series, known for its high accuracy and stability over a wide range of operating conditions. The LM4040C30IDBZR specifically provides a fixed output voltage of 3V with a tolerance of ±0.5%. It is designed to operate with minimal current requirements, making it ideal for portable and low-power applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (VZ) | 3 | V |
| Output Voltage Tolerance (ΔVZ) | ±0.5% | % |
| Minimum Cathode Current (IZ,min) | 45 | μA |
| Typical Cathode Current (IZ) | 75 | μA |
| Average Temperature Coefficient (αVZ) | ±20 | ppm/°C |
| Operating Temperature Range | –40°C to 85°C | °C |
| Package Type | SOT-23 | |
| Package Size | 2.92mm × 1.30mm | mm |
Key Features
- Fixed output voltage of 3V with ±0.5% tolerance.
- Tight output tolerances and low temperature coefficient.
- No external capacitors required for operation.
- Stable with all capacitive loads.
- Low dynamic impedance and low noise.
- Minimum current requirement of 45μA (typical).
- Space-saving SOT-23 package.
- Operates over an ambient temperature range of –40°C to 85°C.
Applications
- Portable and battery-powered devices due to its low power consumption.
- Precision voltage reference in analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
- Voltage regulation and monitoring in various electronic systems.
- Low-power industrial and automotive applications.
Q & A
- What is the output voltage of the LM4040C30IDBZR?
The output voltage of the LM4040C30IDBZR is 3V.
- What is the tolerance of the output voltage?
The output voltage tolerance is ±0.5%.
- What is the minimum cathode current required for operation?
The minimum cathode current required is 45μA.
- Does the LM4040C30IDBZR require external capacitors for operation?
No, it does not require external capacitors for operation.
- What is the operating temperature range of the LM4040C30IDBZR?
The operating temperature range is –40°C to 85°C.
- In what package is the LM4040C30IDBZR available?
The LM4040C30IDBZR is available in the SOT-23 package.
- What are the typical applications of the LM4040C30IDBZR?
Typical applications include portable devices, ADCs, DACs, voltage regulation, and low-power industrial and automotive systems.
- What is the average temperature coefficient of the LM4040C30IDBZR?
The average temperature coefficient is ±20 ppm/°C.
- Is the LM4040C30IDBZR suitable for high-temperature environments?
While it operates up to 85°C, there are versions (e.g., LM4040C30Q) that operate up to 125°C.
- What is the package size of the LM4040C30IDBZR?
The package size is 2.92mm × 1.30mm.
