Overview
The LM4051AIM3X-1.2/NOPB is a precision micropower shunt voltage reference produced by Texas Instruments. This component is ideal for space-critical applications due to its sub-miniature SOT-23 (DBZ) surface-mount package, measuring 3 mm x 1.3 mm. The LM4051-N series offers both fixed and adjustable reverse breakdown voltage options, with a fixed voltage of 1.225 V and an adjustable option. The device is designed to eliminate the need for an external stabilizing capacitor, ensuring stability with any capacitive load, which simplifies the design process.
Key Specifications
| Specification | Value |
|---|---|
| Package | SOT-23 (DBZ), 3 pins |
| Operating Temperature Range | -40°C to +85°C (Industrial), -40°C to +125°C (Extended) |
| Output Voltage Tolerance (A Grade, 25°C) | ± 0.1% (Maximum) |
| Output Noise (10 Hz to 10 kHz) | 20 µV rms |
| Operating Current Range | 60 µA to 12 mA |
| Temperature Coefficient | 50 ppm/°C (Maximum) |
| Output Voltage (Fixed) | 1.225 V |
| Lead Free Status / ROHS Status | Lead Free / ROHS Compliant |
Key Features
- No Output Capacitor Required: The LM4051-N does not need an external stabilizing capacitor, simplifying the design process.
- Tolerates Capacitive Loads: The device ensures stability with any capacitive load, making it versatile in various applications.
- Reverse Breakdown Voltage Options: Available in fixed (1.225 V) and adjustable reverse breakdown voltage options.
- Low Operating Current: Minimum operating current of 60 µA and a maximum of 12 mA, suitable for low-power applications.
- High Accuracy: Initial accuracy of ± 0.1% for A-grade devices, with a temperature coefficient of 50 ppm/°C.
Applications
The LM4051AIM3X-1.2/NOPB is suitable for a variety of applications where precision voltage reference is critical, including:
- Space-critical designs due to its small SOT-23 package.
- Low-power systems where minimal current consumption is essential.
- Industrial and extended temperature range applications, given its operating range of -40°C to +125°C.
- Circuits requiring high accuracy and stability, such as in measurement and control systems.
Q & A
- What is the package type of the LM4051AIM3X-1.2/NOPB? The LM4051AIM3X-1.2/NOPB comes in a SOT-23 (DBZ) package with 3 pins.
- What are the operating temperature ranges for this component? The operating temperature ranges are -40°C to +85°C (Industrial) and -40°C to +125°C (Extended).
- What is the output voltage tolerance for the A-grade devices? The output voltage tolerance for A-grade devices is ± 0.1% at 25°C.
- Does the LM4051AIM3X-1.2/NOPB require an external stabilizing capacitor? No, it does not require an external stabilizing capacitor.
- What is the minimum and maximum operating current for this component? The minimum operating current is 60 µA, and the maximum is 12 mA.
- Is the LM4051AIM3X-1.2/NOPB lead-free and ROHS compliant? Yes, it is lead-free and ROHS compliant.
- What are the key features of the LM4051AIM3X-1.2/NOPB? Key features include no output capacitor required, tolerance of capacitive loads, reverse breakdown voltage options, low operating current, and high accuracy.
- In what types of applications is the LM4051AIM3X-1.2/NOPB commonly used? It is commonly used in space-critical designs, low-power systems, industrial and extended temperature range applications, and circuits requiring high accuracy and stability.
- What is the temperature coefficient of the LM4051AIM3X-1.2/NOPB? The temperature coefficient is 50 ppm/°C (Maximum).
- How many grades are available for the LM4051-N series? The LM4051-N series comes in three grades: A, B, and C, with varying initial accuracies and temperature coefficients.
