Overview
The LM4040AIM3X-4.1/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 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.
Key Specifications
| Parameter | Test Conditions | Typical | Maximum | Unit |
|---|---|---|---|---|
| Reverse Breakdown Voltage | IR = 100μA | 4.096 | 4.096 ± 0.0041 (±0.1% at 25°C) | V |
| Output Voltage Tolerance | IR = 100μA, TA = TJ = 25°C | ±2.5 mV | ±19 mV (over temperature range) | mV |
| Minimum Operating Current | TA = TJ = 25°C | 60 μA | 65 μA (over temperature range) | μA |
| Maximum Operating Current | 15 mA | mA | ||
| Temperature Coefficient | IR = 10mA | ±20 ppm/°C | ppm/°C | |
| Wideband Noise | IR = 100μA, 10Hz ≤ f ≤ 10kHz | 35 μVrms | μVrms | |
| Operating Temperature Range | −40°C to +125°C (Extended Grade 1), −40°C to +85°C (Industrial Grade 3) | °C |
Key Features
- No output capacitor required, simplifying the design process.
- 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.
- Small packages: SOT-23, TO-92, and SC70, ideal for space-critical applications.
- AEC Q-100 qualified for automotive applications with extended temperature ranges.
- Low output noise and high accuracy with ±0.1% tolerance at 25°C for Grade A.
- Wide operating current range: 60μA to 15mA.
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 LM4040AIM3X-4.1/NOPB?
The LM4040AIM3X-4.1/NOPB is a precision micropower shunt voltage reference, providing a stable voltage reference for various electronic circuits.
- What are the available package types for the LM4040AIM3X-4.1/NOPB?
The device is available in SOT-23, TO-92, and SC70 packages.
- Does the LM4040AIM3X-4.1/NOPB require an external stabilizing capacitor?
No, the LM4040AIM3X-4.1/NOPB does not require an external stabilizing capacitor.
- What is the temperature range for the LM4040AIM3X-4.1/NOPB?
The device operates over a temperature range of −40°C to +125°C (Extended Grade 1) and −40°C to +85°C (Industrial Grade 3).
- What is the output voltage tolerance of the LM4040AIM3X-4.1/NOPB at 25°C?
The output voltage tolerance is ±0.1% at 25°C for Grade A.
- What is the minimum operating current for the LM4040AIM3X-4.1/NOPB?
The minimum operating current is 60 μA.
- What is the maximum operating current for the LM4040AIM3X-4.1/NOPB?
The maximum operating current is 15 mA.
- Is the LM4040AIM3X-4.1/NOPB suitable for automotive applications?
Yes, it is AEC Q-100 qualified for automotive applications.
- What is the typical wideband noise of the LM4040AIM3X-4.1/NOPB?
The typical wideband noise is 35 μVrms over the frequency range of 10Hz to 10kHz.
- What are some common applications of the LM4040AIM3X-4.1/NOPB?
Common applications include field transmitters, energy infrastructure, data acquisition, analog input modules, automotive systems, and audio and video equipment.
