LM4120IM5X-2.5/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low Dropout Voltage - High Accuracy - Low Temperature Coefficient - Low Quiescent Current - Small Package Size

Package: SOT-23-5

Essence: The LM4120IM5X-2.5/NOPB is a precision voltage reference IC that provides a stable and accurate output voltage of 2.5V.

Packaging/Quantity: The LM4120IM5X-2.5/NOPB is available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM4120IM5X-2.5/NOPB has a total of 5 pins arranged as follows:

```

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| | --|V IN|-- Pin 1: Input Voltage --| | --|V OUT|-- Pin 2: Output Voltage --| | --|GND |-- Pin 3: Ground --| | --|NC |-- Pin 4: No Connection --|____| ```

Functional Features

• Low dropout voltage allows for efficient operation even with low input voltages.
• High accuracy ensures precise and reliable voltage references.
• Low temperature coefficient minimizes the impact of temperature variations on the output voltage.
• Low quiescent current reduces power consumption and extends battery life.
• Small package size (SOT-23-5) enables space-saving designs.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low power consumption - Compact size - Wide operating temperature range

Disadvantages: - Limited output voltage options - Not suitable for high current applications

Working Principles

The LM4120IM5X-2.5/NOPB utilizes a bandgap reference circuit to generate a stable 2.5V output voltage. This circuit compensates for temperature variations, ensuring accurate voltage references across a wide temperature range. The low dropout voltage allows the IC to operate efficiently even with low input voltages.

Detailed Application Field Plans

The LM4120IM5X-2.5/NOPB is commonly used in various electronic systems that require a precise and stable voltage reference. Some typical application fields include:

1. Precision Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage Regulators
4. Battery Management Systems
5. Sensor Interface Circuits

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: 2.5V precision voltage reference in SOT-23-3 package.
2. LT1461AIS8-2.5#PBF: 2.5V micropower precision shunt voltage reference in SOIC-8 package.
3. MAX6126AASA25+: 2.5V ultra-low-noise precision voltage reference in SOIC-8 package.

These alternative models offer similar functionality and performance to the LM4120IM5X-2.5/NOPB and can be considered as substitutes based on specific requirements.

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