Overview
The LM4040AIM3-2.0 from Texas Instruments is a precision micropower shunt voltage reference designed for space-critical applications. This component is part of the LM4040-N series and is available in a small SOT-23 surface-mount package. It is engineered to provide high accuracy and stability, making it suitable for a variety of applications where precise voltage referencing is crucial.
The LM4040AIM3-2.0 features a fixed reverse breakdown voltage of 2.048V, with an initial accuracy of ±0.1% at 25°C. This device is AEC Q-100 qualified for automotive applications and operates over a wide temperature range, including industrial and extended grades.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Type | Fixed | |
| Voltage - Output (Min/Fixed) | 2.048V | V |
| Output Voltage Tolerance (A Grade, 25°C) | ±0.1% | |
| Minimum Operating Current | 60μA | μA |
| Maximum Operating Current | 15mA | mA |
| Operating Temperature Range | -40°C to +85°C | °C |
| Extended Temperature Range | -40°C to +125°C | °C |
| Temperature Coefficient | 100ppm/°C | ppm/°C |
| Noise (10Hz to 10kHz) | 35μVrms | μVrms |
| Package / Case | SOT-23-3 | |
| Dimensions | 3.04 x 1.4 x 1.02mm | mm |
Key Features
- No output capacitor required for stability.
- Tolerates capacitive loads.
- Fixed reverse breakdown voltages available: 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- Small packages: SOT-23, TO-92, and SC70.
- AEC Q-100 qualified for automotive applications with extended and industrial temperature grades.
- Low output noise: 35μVrms (typical) over 10Hz to 10kHz.
- Wide operating current range: 60μA to 15mA.
- Low temperature coefficient: 100ppm/°C (maximum).
Applications
- Field Transmitters
- Energy Infrastructure
- Data Acquisition
- Analog Input Modules
- Automotive Systems
- Audio and Video Equipment
Q & A
- What is the output voltage of the LM4040AIM3-2.0?
The output voltage of the LM4040AIM3-2.0 is 2.048V.
- What is the initial accuracy of the LM4040AIM3-2.0 at 25°C?
The initial accuracy is ±0.1% at 25°C.
- What are the operating temperature ranges for the LM4040AIM3-2.0?
The operating temperature ranges are -40°C to +85°C for industrial grade and -40°C to +125°C for extended grade.
- Does the LM4040AIM3-2.0 require an output capacitor for stability?
No, the LM4040AIM3-2.0 does not require an output capacitor for stability.
- What is the maximum operating current of the LM4040AIM3-2.0?
The maximum operating current is 15mA.
- What is the noise level of the LM4040AIM3-2.0 over the 10Hz to 10kHz frequency range?
The noise level is 35μVrms (typical) over the 10Hz to 10kHz frequency range.
- What are the package options available for the LM4040AIM3-2.0?
The package options include SOT-23, TO-92, and SC70.
- Is the LM4040AIM3-2.0 AEC Q-100 qualified for automotive applications?
- What is the temperature coefficient of the LM4040AIM3-2.0?
The temperature coefficient is 100ppm/°C (maximum).
- What are some typical applications of the LM4040AIM3-2.0?
Typical applications include field transmitters, energy infrastructure, data acquisition, analog input modules, automotive systems, and audio and video equipment.
