Overview
The LM4040CIM3-2.0/NOPB is a precision micropower shunt voltage reference produced by Texas Instruments. This component is part of the LM4040 series and is designed for space-critical applications. It is available in a small SOT-23 surface-mount package, making it ideal for compact designs. The LM4040CIM3-2.0/NOPB is known for its high accuracy and stability, with a fixed reverse breakdown voltage of 2.048V. It is suitable for a wide range of applications, including field transmitters, energy infrastructure, data acquisition, and automotive systems.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Reference Type | Shunt - Fixed |
| Reference Voltage | 2.048V |
| Initial Accuracy | ±0.5% |
| Temperature Coefficient | ±20 ppm/°C |
| Voltage Reference Case Style | SOT-23 |
| No. of Pins | 3 Pins |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Automotive Qualification Standard | AEC-Q100 |
| Minimum Operating Current | 60 μA |
| Maximum Operating Current | 15 mA |
| Wideband Noise (10Hz to 10kHz) | 35 μVrms (typical) |
Key Features
- No output capacitor required, making it easy to use in various designs.
- Tolerates capacitive loads, ensuring stability with any capacitive load.
- Fixed reverse breakdown voltages available in several options, including 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- Low output noise of 35 μVrms (typical) over the 10Hz to 10kHz frequency range.
- Wide operating current range from 60 μA to 15 mA.
- Industrial and extended temperature ranges: -40°C to +85°C (Industrial Grade 3) and -40°C to +125°C (Extended Grade 1).
- Low temperature coefficient of ±20 ppm/°C.
Applications
- Field Transmitters: Used for precise voltage referencing in field transmitter applications.
- Energy Infrastructure: Suitable for various energy infrastructure systems requiring stable voltage references.
- Data Acquisition: Ideal for data acquisition systems that need accurate voltage references.
- Analog Input Modules: Used in analog input modules for precise voltage referencing.
- Automotive: AEC-Q100 qualified, making it suitable for automotive applications.
- Audio and Video: Used in audio and video systems where stable voltage references are crucial.
Q & A
- What is the reference voltage of the LM4040CIM3-2.0/NOPB?
The reference voltage of the LM4040CIM3-2.0/NOPB is 2.048V.
- What is the initial accuracy of the LM4040CIM3-2.0/NOPB?
The initial accuracy is ±0.5%.
- What is the temperature coefficient of the LM4040CIM3-2.0/NOPB?
The temperature coefficient is ±20 ppm/°C.
- What is the operating temperature range of the LM4040CIM3-2.0/NOPB?
The operating temperature range is -40°C to +85°C.
- Does the LM4040CIM3-2.0/NOPB require an external stabilizing capacitor?
No, it does not require an external stabilizing capacitor.
- What is the maximum operating current of the LM4040CIM3-2.0/NOPB?
The maximum operating current is 15 mA.
- Is the LM4040CIM3-2.0/NOPB AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified for automotive applications.
- What is the wideband noise of the LM4040CIM3-2.0/NOPB?
The wideband noise is 35 μVrms (typical) over the 10Hz to 10kHz frequency range.
- What package types are available for the LM4040 series?
The LM4040 series is available in SOT-23, TO-92, and SC70 packages.
- What are some common applications of the LM4040CIM3-2.0/NOPB?
Common applications include field transmitters, energy infrastructure, data acquisition, analog input modules, automotive, and audio/video systems.
