LM4128AMFX-4.1

Product Overview

Category

The LM4128AMFX-4.1 belongs to the category of voltage references.

Use

It is primarily 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-4.1 comes in a small SOT-23 package, which is suitable for surface mount applications.

Essence

The essence of LM4128AMFX-4.1 lies in its ability to provide a stable and accurate voltage reference, ensuring reliable performance in electronic systems.

Packaging/Quantity

The LM4128AMFX-4.1 is typically available in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 4.1V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4128AMFX-4.1 has three pins:

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

Functional Features

• High precision output voltage
• Low power consumption
• Excellent line and load regulation
• Short circuit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance
• Low dropout voltage minimizes power dissipation
• Wide operating temperature range allows for versatile applications
• Small package size enables space-saving designs

Disadvantages

• Limited output voltage options
• Relatively higher cost compared to some alternatives

Working Principles

The LM4128AMFX-4.1 utilizes bandgap reference technology to generate a precise and stable voltage output. It employs a combination of temperature-compensated diodes and amplifiers to achieve accurate voltage references.

Detailed Application Field Plans

The LM4128AMFX-4.1 finds applications 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

Some alternative models that can be considered as substitutes for the LM4128AMFX-4.1 include: - LM4040 series by Texas Instruments - LT1236 series by Analog Devices - MAX6126 series by Maxim Integrated

These alternatives offer similar features and performance characteristics, providing options for different design requirements.

In conclusion, the LM4128AMFX-4.1 is a precision voltage reference with high accuracy, stability, and low dropout voltage. Its small package size and wide operating temperature range make it suitable for various electronic applications. While it has limited output voltage options, it offers reliable performance and is widely used in precision measurement, data acquisition, and control systems. Alternative models from different manufacturers provide flexibility in design choices.