Overview
The LM4040C50IDBZR 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 LM4040C50IDBZR is a 2-pin fixed-output device that does not require external capacitors for operation and is stable with all capacitive loads. It offers low dynamic impedance, low noise, and a low temperature coefficient, ensuring a stable output voltage over various operating currents and temperatures.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5V | V |
| Output Voltage Tolerance | ±0.5% | % |
| Temperature Coefficient | 100 ppm/°C | ppm/°C |
| Minimum Cathode Current | 45 μA (typical) | μA |
| Maximum Cathode Current | 15 mA | mA |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | SOT-23-3 | |
| Body Size (Nominal) | 2.92mm × 1.30mm | mm |
| Output Noise | 35 μVRMS (typical) | μVRMS |
Key Features
- Fixed output voltages of 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V, with the LM4040C50IDBZR specifically offering 5V.
- Tight output tolerances and low temperature coefficients: 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 to 15 mA.
- Stable with all capacitive loads; no output capacitor required.
- Available in extended temperature range: –40°C to 125°C.
- 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 LM4040C50IDBZR?
The output voltage of the LM4040C50IDBZR is 5V.
- What is the output voltage tolerance of the LM4040C50IDBZR?
The output voltage tolerance of the LM4040C50IDBZR is ±0.5%.
- What is the temperature coefficient of the LM4040C50IDBZR?
The temperature coefficient of the LM4040C50IDBZR is 100 ppm/°C.
- What is the minimum cathode current required for the LM4040C50IDBZR?
The minimum cathode current required for the LM4040C50IDBZR is 45 μA (typical).
- What is the maximum cathode current for the LM4040C50IDBZR?
The maximum cathode current for the LM4040C50IDBZR is 15 mA.
- Does the LM4040C50IDBZR require an external capacitor for operation?
No, the LM4040C50IDBZR does not require an external capacitor for operation and is stable with all capacitive loads.
- What is the operating temperature range of the LM4040C50IDBZR?
The operating temperature range of the LM4040C50IDBZR is –40°C to 125°C.
- In what package types is the LM4040C50IDBZR available?
The LM4040C50IDBZR is available in SOT-23-3 and SC-70 packages.
- What are some common applications of the LM4040C50IDBZR?
Common applications include Data-Acquisition Systems, Energy Infrastructure, Analog Input Module, Field Transmitters, Precision Audio, and Automotive Electronics.
- What is the typical output noise of the LM4040C50IDBZR?
The typical output noise of the LM4040C50IDBZR is 35 μVRMS.
