Overview
The LM4040DIM3X-2.5/NOPB is a precision micropower shunt voltage reference produced by Texas Instruments. This component is part of the LM4040-N series and is designed to provide a stable and accurate voltage reference in a variety of applications. It is particularly noted for its low power consumption, high accuracy, and robust temperature stability, making it suitable for use in industrial, automotive, and general electronic systems.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Reference Type | Shunt | - | - |
| Output Type | Fixed | - | - |
| Voltage - Output (Min/Fixed) | 2.5 V | V | - |
| Current - Output | 15 mA | mA | - |
| Package / Case | SOT-23-3 | - | - |
| Tolerance | ±1% | % | - |
| Operating Temperature | -40°C to +85°C | °C | - |
| Temperature Coefficient | ±20 ppm/°C | ppm/°C | - |
| Noise (10Hz to 10kHz) | 35 µVrms | µVrms | IR = 100µA |
| Minimum Operating Current | 45 µA to 70 µA | µA | TA = TJ = TMIN to TMAX |
| Reverse Dynamic Impedance | 0.3 to 1.1 Ω | Ω | IR = 1mA, f = 120Hz, IAC = 0.1 IR |
| Reverse Breakdown Voltage Long Term Stability | ±0.1% (120 ppm) | % (ppm) | t = 1000 hrs, T = 25°C ±0.1°C, IR = 100µA |
Key Features
- Precision Voltage Reference: The LM4040DIM3X-2.5/NOPB provides a highly accurate voltage reference with initial tolerances as low as ±0.5%, ±1%, and ±2% depending on the grade.
- Low Power Consumption: This component operates with a minimum current of 45 µA, making it suitable for low-power applications.
- Wide Temperature Range: It operates over a temperature range of -40°C to +85°C, ensuring stability in various environmental conditions.
- Low Noise: The device exhibits low noise characteristics, with a wideband noise of 35 µVrms from 10Hz to 10kHz.
- Compact Package: The SOT-23-3 package makes it ideal for space-constrained designs.
- RoHS Compliant: The component is RoHS compliant, ensuring it meets environmental regulations.
Applications
- Industrial Automation: Used in control systems, sensors, and other industrial automation equipment where precise voltage references are required.
- Automotive Systems: AEC Q-100 qualified, making it suitable for automotive applications requiring high reliability and temperature stability.
- General Electronic Systems: Applicable in a wide range of electronic systems requiring stable voltage references, such as power supplies, data acquisition systems, and medical devices.
- Battery-Powered Devices: Ideal for battery-powered devices due to its low power consumption and high accuracy.
Q & A
- What is the output voltage of the LM4040DIM3X-2.5/NOPB?
The output voltage is fixed at 2.5 V.
- What is the maximum output current of this component?
The maximum output current is 15 mA.
- What is the operating temperature range of the LM4040DIM3X-2.5/NOPB?
The operating temperature range is -40°C to +85°C.
- What is the tolerance of the voltage reference?
The tolerance is ±1% for the 'D' grade.
- What is the noise level of this voltage reference?
The wideband noise is 35 µVrms from 10Hz to 10kHz.
- Is the LM4040DIM3X-2.5/NOPB RoHS compliant?
Yes, it is RoHS compliant.
- What is the minimum operating current for this component?
The minimum operating current is between 45 µA and 70 µA depending on the temperature.
- What is the reverse dynamic impedance of the LM4040DIM3X-2.5/NOPB?
The reverse dynamic impedance is between 0.3 Ω and 1.1 Ω.
- What is the long-term stability of the reverse breakdown voltage?
The long-term stability is ±0.1% (120 ppm) over 1000 hours at 25°C ±0.1°C.
- In what package is the LM4040DIM3X-2.5/NOPB available?
The component is available in a SOT-23-3 package.
