Overview
The LM4051AIM3-ADJ/NOPB is a precision voltage reference IC from Texas Instruments, designed to provide a highly accurate and stable voltage output. This device is ideal for space-critical applications due to its compact SOT-23 surface-mount package, measuring 3 mm x 1.3 mm. The LM4051AIM3-ADJ/NOPB is available in both fixed and adjustable reverse breakdown voltage options, making it versatile for various applications. Its advanced design eliminates the need for an external stabilizing capacitor and ensures stability with any capacitive load, simplifying the design process.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | SOT-23 (DBZ), 3 pins |
| Operating Temperature Range | -40°C to +125°C |
| 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 Range (Adjustable) | 1.24V to 20V |
| Output Impedance | 0.2Ω (typical) |
| Long-Term Stability | ±0.02% (typical) |
| Low Noise | 100μVp-p (typical) |
Key Features
- No output capacitor required
- Tolerates capacitive loads
- Reverse breakdown voltage options: fixed (1.225V) and adjustable
- High accuracy with initial accuracy of ±0.1% (A grade) at 25°C
- Low noise: 20 µV rms (10 Hz to 10 kHz)
- Wide current range: capable of sourcing and sinking up to 10mA
- Compact SOT-23 package for space-constrained applications
- High temperature stability with a temperature coefficient of 50 ppm/°C (maximum)
Applications
- Precision voltage references
- Analog-to-Digital Converters (ADC)
- Digital-to-Analog Converters (DAC)
- Battery management systems
- Consumer electronics
- Telecommunications equipment
- Industrial measurement devices
- Voltage regulation in embedded systems
Q & A
- What is the package type of the LM4051AIM3-ADJ/NOPB?
The LM4051AIM3-ADJ/NOPB comes in a SOT-23 (DBZ) package with 3 pins.
- What is the operating temperature range of the LM4051AIM3-ADJ/NOPB?
The operating temperature range is -40°C to +125°C.
- What is the output voltage tolerance for the A grade devices at 25°C?
The output voltage tolerance for A grade devices at 25°C is ±0.1% (maximum).
- Does the LM4051AIM3-ADJ/NOPB require an external stabilizing capacitor?
No, the LM4051AIM3-ADJ/NOPB does not require an external stabilizing capacitor.
- What is the typical output noise of the LM4051AIM3-ADJ/NOPB?
The typical output noise is 20 µV rms (10 Hz to 10 kHz).
- What is the adjustable output voltage range of the LM4051AIM3-ADJ/NOPB?
The adjustable output voltage range is from 1.24V to 20V.
- What are the key applications of the LM4051AIM3-ADJ/NOPB?
Key applications include precision voltage references, ADCs, DACs, battery management systems, consumer electronics, telecommunications equipment, industrial measurement devices, and voltage regulation in embedded systems.
- How does the LM4051AIM3-ADJ/NOPB achieve high accuracy?
The LM4051AIM3-ADJ/NOPB achieves high accuracy through fuse and zener-zap trim of reference voltage during wafer sort, ensuring an accuracy of better than ±0.1% (A grade) at 25°C.
- What is the typical temperature coefficient of the LM4051AIM3-ADJ/NOPB?
The typical temperature coefficient is 50 ppm/°C (maximum).
- Is the LM4051AIM3-ADJ/NOPB RoHS compliant?
