LM4128DMFX-2.5/NOPB

Product Overview

Category

The LM4128DMFX-2.5/NOPB belongs to the category of voltage references.

Use

It is primarily used as a precision voltage reference in various electronic applications.

Characteristics

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

Package

The LM4128DMFX-2.5/NOPB is available in a small SOT-23 package.

Essence

This product provides a stable and accurate voltage reference, ensuring precise voltage levels in electronic circuits.

Packaging/Quantity

The LM4128DMFX-2.5/NOPB is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

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
• Quiescent Current: 120µA (typical)

Detailed Pin Configuration

The LM4128DMFX-2.5/NOPB has three pins:

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

Functional Features

• High precision voltage reference
• Low power consumption
• Excellent line and load regulation
• Thermal shutdown protection
• Short-circuit current limiting

Advantages and Disadvantages

Advantages

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

Disadvantages

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

Working Principles

The LM4128DMFX-2.5/NOPB utilizes a bandgap reference circuit to generate a stable and accurate voltage reference. It compensates for temperature variations, ensuring consistent output voltage levels across a wide temperature range. The device operates by comparing the bandgap voltage with an internal feedback voltage, providing a precise output voltage.

Detailed Application Field Plans

The LM4128DMFX-2.5/NOPB finds applications in various fields, including:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Battery-powered devices
5. Industrial control systems
6. Test and measurement equipment

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: 2.5V precision shunt voltage reference
2. LT1236ACS8-2.5#PBF: 2.5V micropower precision series voltage reference
3. MAX6126AASA25+: 2.5V ultra-low-noise precision voltage reference
4. REF5025AIDGKT: 2.5V precision voltage reference with integrated gain amplifier

These alternative models offer similar functionality and performance characteristics to the LM4128DMFX-2.5/NOPB, providing options for different design requirements.

In conclusion, the LM4128DMFX-2.5/NOPB is a high-precision voltage reference with excellent stability and accuracy. Its small package size and wide operating temperature range make it suitable for various electronic applications. While it has limited output voltage options and a relatively higher cost, there are alternative models available that offer similar features.