LM4128AMFX-2.5/NOPB

Product Overview

Category

The LM4128AMFX-2.5/NOPB belongs to the category of voltage references.

Use

It is commonly used as a precision voltage reference in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low dropout voltage
• Wide operating temperature range

Package

The LM4128AMFX-2.5/NOPB is available in a small SOT-23 package, which is suitable for surface mount applications.

Essence

The essence of LM4128AMFX-2.5/NOPB lies in its ability to provide a stable and accurate voltage reference, ensuring reliable performance in electronic systems.

Packaging/Quantity

This product is typically sold in reels or tubes containing a specific quantity of LM4128AMFX-2.5/NOPB units.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.7V to 12V

Detailed Pin Configuration

The LM4128AMFX-2.5/NOPB has three pins:

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

Functional Features

• High precision: The LM4128AMFX-2.5/NOPB provides a highly accurate output voltage of 2.5V, ensuring precise operation of electronic circuits.
• Low temperature coefficient: Its low temperature coefficient ensures minimal variation in output voltage with temperature changes.
• Low dropout voltage: The low dropout voltage allows the voltage reference to operate even when the input voltage is close to the output voltage.
• Wide operating temperature range: The LM4128AMFX-2.5/NOPB can function reliably in a wide range of temperatures, making it suitable for various applications.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low temperature coefficient
• Small package size
• Wide operating temperature range

Disadvantages

• Limited output voltage options
• Requires an external power supply

Working Principles

The LM4128AMFX-2.5/NOPB utilizes bandgap voltage reference technology to generate a stable and accurate output voltage. It compensates for temperature variations by employing a feedback mechanism that adjusts the internal circuitry, ensuring consistent performance across different temperature ranges.

Detailed Application Field Plans

The LM4128AMFX-2.5/NOPB finds application in various electronic systems, including but not limited to: - Precision measurement instruments - Data acquisition systems - Industrial control systems - Portable devices - Automotive electronics

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: 2.5V precision voltage reference with similar characteristics and package.
2. LT1236ACS8-2.5#PBF: 2.5V micropower precision shunt voltage reference with low dropout voltage.
3. REF5025AIDGKT: 2.5V precision voltage reference with high accuracy and low temperature coefficient.

These alternative models offer similar functionality and can be considered as substitutes for the LM4128AMFX-2.5/NOPB in various applications.

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