LM4128AMFX-2.0

Product Overview

Category

The LM4128AMFX-2.0 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
• Low quiescent current

Package

The LM4128AMFX-2.0 is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of LM4128AMFX-2.0 lies in its ability to provide a precise and stable voltage reference, ensuring accurate performance of electronic systems.

Packaging/Quantity

The LM4128AMFX-2.0 is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 2.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 80µA (typical)

Detailed Pin Configuration

The LM4128AMFX-2.0 has three pins:

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

Functional Features

• Precise and stable output voltage of 2.0V.
• Low dropout voltage allows operation in low-power scenarios.
• Low quiescent current minimizes power consumption.
• Excellent initial accuracy and temperature coefficient ensure reliable performance over a wide range of operating conditions.

Advantages and Disadvantages

Advantages

• High accuracy and stability.
• Low temperature coefficient.
• Small package size suitable for space-constrained applications.
• Low dropout voltage and quiescent current for efficient power management.

Disadvantages

• Limited output voltage options (fixed at 2.0V).
• Not suitable for applications requiring adjustable voltage references.

Working Principles

The LM4128AMFX-2.0 utilizes a bandgap reference circuit to generate a precise and stable voltage reference. It compensates for temperature variations and provides a consistent output voltage regardless of environmental conditions.

Detailed Application Field Plans

The LM4128AMFX-2.0 finds application in various electronic systems, including but not limited to: - Precision analog-to-digital converters (ADCs) - Digital-to-analog converters (DACs) - Voltage regulators - Battery-powered devices - Sensor interfaces

Its high accuracy and stability make it particularly suitable for applications that require precise voltage references.

Detailed and Complete Alternative Models

1. LM4040AIM3-2.0: This model offers similar specifications and performance as the LM4128AMFX-2.0, with a slightly different package (SOT-23-3) and pin configuration.
2. LT6654BIS6-2.0: Another alternative with comparable characteristics, available in a SOT-23-6 package.

These alternative models can be considered based on specific requirements and compatibility with existing designs.

In conclusion, the LM4128AMFX-2.0 is a precision voltage reference with high accuracy, stability, and low power consumption. Its small package size and excellent performance make it an ideal choice for various electronic applications requiring a reliable voltage reference.