Overview
The LM4040AIM3-5.0 from Texas Instruments is a precision micropower shunt voltage reference designed for high accuracy and stability in a variety of applications. This component is part of the LM4040-N series, which is known for its advanced design and minimal footprint. The LM4040AIM3-5.0 is specifically configured with a fixed reverse breakdown voltage of 5.0V and is available in a SOT-23 (DBZ) package with 3 pins. It is optimized for space-critical applications and does not require an external stabilizing capacitor, making it easy to integrate into various designs.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Reverse Breakdown Voltage | 5.0 | V | IR = 100μA |
| Output Voltage Tolerance (A Grade, 25°C) | ±0.1% | % | IR = 100μA |
| Output Noise (10Hz to 10kHz) | 35μVrms | μVrms | IR = 100μA |
| Minimum Operating Current | 60μA | μA | TA = TJ = 25°C |
| Maximum Operating Current | 15mA | mA | TA = TJ = 25°C |
| Industrial Temperature Range | -40°C to +85°C | °C | |
| Extended Temperature Range | -40°C to +125°C | °C | |
| Temperature Coefficient | 100ppm/°C | ppm/°C | IR = 10mA |
| Package | 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
- 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
- Low dynamic impedance and bandgap reference temperature drift curvature correction for stable reverse breakdown voltage accuracy
- High accuracy with ±0.1% tolerance at 25°C for A grade parts
Applications
- Field Transmitters
- Energy Infrastructure
- Automotive Systems (due to AEC Q-100 qualification)
- Precision Instrumentation
- Industrial Control Systems
Q & A
- What is the reverse breakdown voltage of the LM4040AIM3-5.0?
The reverse breakdown voltage of the LM4040AIM3-5.0 is 5.0V.
- What are the temperature ranges for the LM4040-N series?
The industrial temperature range is -40°C to +85°C, and the extended temperature range is -40°C to +125°C.
- Does the LM4040AIM3-5.0 require an external stabilizing capacitor?
No, the LM4040AIM3-5.0 does not require an external stabilizing capacitor.
- What is the minimum operating current for the LM4040AIM3-5.0?
The minimum operating current is 60μA.
- What is the maximum operating current for the LM4040AIM3-5.0?
The maximum operating current is 15mA.
- What is the temperature coefficient of the LM4040AIM3-5.0?
The temperature coefficient is 100ppm/°C.
- In what package is the LM4040AIM3-5.0 available?
The LM4040AIM3-5.0 is available in a SOT-23 (DBZ) package with 3 pins.
- Is the LM4040AIM3-5.0 suitable for automotive applications?
- What is the output noise of the LM4040AIM3-5.0?
The output noise is 35μVrms (typical) over the frequency range of 10Hz to 10kHz.
- What are some common applications of the LM4040-N series?
Common applications include field transmitters, energy infrastructure, automotive systems, precision instrumentation, and industrial control systems.
