LM4120AIM5X-3.3/NOPB

Product Overview

Category

The LM4120AIM5X-3.3/NOPB belongs to the category of voltage references.

Use

This product is commonly used in electronic circuits to provide a stable and accurate voltage reference.

Characteristics

• High precision: The LM4120AIM5X-3.3/NOPB offers excellent voltage accuracy, ensuring reliable performance in various applications.
• Low temperature coefficient: It exhibits a low temperature drift, making it suitable for use in environments with varying temperatures.
• Low power consumption: This voltage reference consumes minimal power, making it energy-efficient.
• Small package size: The LM4120AIM5X-3.3/NOPB is available in a compact SOT-23 package, allowing for easy integration into space-constrained designs.
• Wide operating range: It operates within a wide voltage range, enabling its use in diverse electronic systems.

Package and Quantity

The LM4120AIM5X-3.3/NOPB is typically packaged in reels or tape and reel packaging, containing a specified quantity of units per package.

Specifications

• Output Voltage: 3.3V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Supply Voltage Range: 2.7V to 12V
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM4120AIM5X-3.3/NOPB features a standard SOT-23 package with three pins:

1. VOUT: Output voltage pin
2. GND: Ground pin
3. VIN: Input voltage pin

Functional Features

• High precision voltage reference: The LM4120AIM5X-3.3/NOPB provides a stable and accurate 3.3V reference voltage.
• Low temperature drift: It exhibits a low temperature coefficient, ensuring minimal voltage variation with changing temperatures.
• Low power consumption: The LM4120AIM5X-3.3/NOPB consumes very little power, making it suitable for battery-powered applications.
• Wide operating range: It can operate within a wide voltage range, accommodating various electronic systems.

Advantages and Disadvantages

Advantages

• High precision and accuracy
• Low temperature coefficient
• Low power consumption
• Compact package size
• Wide operating range

Disadvantages

• Limited output voltage options (only 3.3V in this case)
• Sensitive to external noise and interference

Working Principles

The LM4120AIM5X-3.3/NOPB is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of semiconductor materials to generate a stable reference voltage. This voltage is then compared to an internal voltage divider network, resulting in a precise output voltage of 3.3V.

Detailed Application Field Plans

The LM4120AIM5X-3.3/NOPB finds application in various fields, including:

1. Precision analog circuits: It is commonly used as a reference voltage source in precision analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and operational amplifiers (op-amps).
2. Sensor interfaces: The LM4120AIM5X-3.3/NOPB provides a stable reference voltage for sensor interfaces, ensuring accurate measurements in applications such as temperature sensing, pressure sensing, and gas sensing.
3. Battery management systems: It is employed in battery management systems to monitor and control battery charging and discharging processes accurately.
4. Industrial automation: The LM4120AIM5X-3.3/NOPB is utilized in industrial automation systems for precise control and measurement purposes.

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: A 2.5V voltage reference with similar characteristics and package size.
2. LT6656BCS6-2.5#TRMPBF: A 2.5V precision voltage reference with ultra-low drift and noise performance.
3. MAX6190AESA+: A low-power, high-precision voltage reference available in a small SOIC package.

These alternative models offer different output voltages and additional features to cater to specific application requirements.

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