Overview
The LM4040CIM3X-5.0/NOPB is a precision micropower shunt voltage reference produced by 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 advanced design eliminates the need for an external stabilizing capacitor, ensuring stability with any capacitive load.
Key Specifications
| Parameter | Test Conditions | Typical | Maximum | Unit |
|---|---|---|---|---|
| Reverse Breakdown Voltage | IR = 100μA | 5V | ±0.5% (Grade C) | V |
| Output Voltage Tolerance (A Grade, 25°C) | IR = 100μA | - | ±0.1% | % |
| Low Output Noise (10Hz to 10kHz) | IR = 100μA | 35μVrms | - | μVrms |
| Wide Operating Current Range | - | 60μA to 15mA | - | mA |
| Industrial Temperature Range | - | −40°C to +85°C | - | °C |
| Extended Temperature Range | - | −40°C to +125°C | - | °C |
| Low Temperature Coefficient | - | - | 100ppm/°C | ppm/°C |
| Minimum Operating Current | TA = TJ = 25°C | 60μA | - | μA |
| Package Type | - | SOT-23 (DBZ) | - | - |
Key Features
- AEC Q-100 qualified for automotive applications with Extended Grade 1: −40°C to +125°C and Industrial Grade 3: −40°C to +85°C.
- Available in small packages: SOT-23, TO-92, and SC70.
- No output capacitor required.
- Tolerates capacitive loads.
- Fixed reverse breakdown voltages of 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- High accuracy with output voltage tolerance of ±0.1% (A Grade) at 25°C.
- Low output noise of 35μVrms (typical) from 10Hz to 10kHz.
- Wide operating current range from 60μA to 15mA.
- Low temperature coefficient of 100ppm/°C (maximum).
Applications
- Field Transmitters
- Energy Infrastructure
- Data Acquisition
- Analog Input Modules
- Automotive systems
- Audio and Video applications
Q & A
- What is the LM4040CIM3X-5.0/NOPB used for? The LM4040CIM3X-5.0/NOPB is a precision micropower shunt voltage reference used in various applications requiring stable voltage references.
- What are the available package types for the LM4040-N? The LM4040-N 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.
- What are the fixed reverse breakdown voltages available for the LM4040-N? The fixed reverse breakdown voltages available are 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
- What is the operating current range of the LM4040-N? The operating current range is from 60μA to 15mA.
- What is the temperature coefficient of the LM4040-N? The temperature coefficient is 100ppm/°C (maximum).
- Is the LM4040-N suitable for automotive applications? Yes, the LM4040-N-Q1 is AEC Q-100 qualified for automotive applications.
- What is the output noise of the LM4040-N? The output noise is 35μVrms (typical) from 10Hz to 10kHz.
- What is the minimum operating current for the 5V LM4040-N? The minimum operating current for the 5V LM4040-N is 60μA.
- What are some common applications of the LM4040-N? Common applications include field transmitters, energy infrastructure, data acquisition, analog input modules, automotive systems, and audio and video applications.
