Overview
The LM4040DIM3X-5.0/NOPB is a precision micropower shunt voltage reference from Texas Instruments. This component is designed for space-critical applications and is available in small surface-mount packages such as SOT-23, TO-92, and SC70. The LM4040-N series is known for its high accuracy and stability, making it suitable for a wide range of applications. The device eliminates the need for an external stabilizing capacitor and can tolerate capacitive loads, simplifying the design process. It is also AEC Q-100 qualified for automotive applications, ensuring reliability in harsh environments.
Key Specifications
| Parameter | Test Conditions | Typical | Maximum | Unit |
|---|---|---|---|---|
| Reverse Breakdown Voltage | IR = 100μA | 5.0 | 5.0 | V |
| Reverse Breakdown Voltage Tolerance (Grade D) | IR = 100μA, TA = TJ = 25°C | ±25 mV | ±49 mV | mV |
| Minimum Operating Current | TA = TJ = 25°C | 45 μA | 60 μA | μA |
| Maximum Operating Current | 15 mA | mA | ||
| Temperature Coefficient | IR = 10mA | ±20 ppm/°C | ±100 ppm/°C | ppm/°C |
| Wideband Noise (10Hz to 10kHz) | IR = 100μA | 35 μVrms | μVrms | |
| Operating Temperature Range (Industrial Grade) | -40°C to +85°C | °C | ||
| Operating Temperature Range (Extended Grade) | -40°C to +125°C | °C |
Key Features
- No output capacitor required, simplifying design and reducing component count.
- Tolerates capacitive loads, ensuring stability in various applications.
- Fixed reverse breakdown voltages available: 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- Low output noise: 35μVrms (typical) from 10Hz to 10kHz.
- Wide operating current range: 60μA to 15mA.
- Low temperature coefficient: ±100 ppm/°C (maximum).
- AEC Q-100 qualified for automotive applications, with extended temperature range options.
- Available in small packages: SOT-23, TO-92, and SC70.
Applications
- Field Transmitters
- Energy Infrastructure
- Data Acquisition
- Analog Input Modules
- Automotive Systems
- Audio and Video Equipment
Q & A
- What is the primary function of the LM4040DIM3X-5.0/NOPB?
The LM4040DIM3X-5.0/NOPB is a precision micropower shunt voltage reference, providing a stable voltage reference for various applications.
- What are the available package types for the LM4040-N series?
The LM4040-N series is available in SOT-23, TO-92, and SC70 packages.
- Does the LM4040-N require an external stabilizing capacitor?
No, the LM4040-N does not require an external stabilizing capacitor, as it is designed to be stable without one.
- What is the operating temperature range for the industrial grade of the LM4040-N?
The operating temperature range for the industrial grade is -40°C to +85°C.
- What is the maximum operating current for the LM4040-N?
The maximum operating current for the LM4040-N is 15 mA.
- What is the typical wideband noise of the LM4040-N?
The typical wideband noise of the LM4040-N is 35 μVrms from 10Hz to 10kHz.
- Is the LM4040-N suitable for automotive applications?
- What are the fixed reverse breakdown voltages available for the LM4040-N series?
The fixed reverse breakdown voltages available are 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- What is the minimum operating current for the LM4040-N?
The minimum operating current for the LM4040-N is 45 μA at 25°C.
- What is the temperature coefficient of the LM4040-N?
The temperature coefficient of the LM4040-N is ±100 ppm/°C (maximum).
