LM4128AMFX-3.3

Product Overview

Category

The LM4128AMFX-3.3 belongs to the category of voltage references.

Use

This product is commonly used in electronic circuits to provide a stable and accurate voltage reference.

Characteristics

• High precision: The LM4128AMFX-3.3 offers a high level of accuracy in providing a stable voltage reference.
• Low temperature coefficient: It exhibits a low temperature coefficient, ensuring minimal variation with changes in temperature.
• Low power consumption: This voltage reference consumes low power, making it suitable for battery-powered applications.
• Small package size: The LM4128AMFX-3.3 comes in a compact package, allowing for easy integration into various circuit designs.

Package

The LM4128AMFX-3.3 is available in a small SOT-23 package, which provides excellent thermal performance and ease of handling during assembly.

Essence

The essence of the LM4128AMFX-3.3 lies in its ability to generate a stable and precise voltage reference, enabling accurate operation of electronic circuits.

Packaging/Quantity

This product is typically supplied in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 3.3V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Supply Voltage Range: 2.7V to 12V
• Quiescent Current: 80µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM4128AMFX-3.3 has three pins:

1. VOUT: Output pin for the 3.3V voltage reference.
2. GND: Ground pin for the device.
3. VIN: Input pin for the supply voltage.

Functional Features

• High precision and stability: The LM4128AMFX-3.3 provides a highly accurate and stable 3.3V reference voltage, ensuring reliable circuit operation.
• Low power consumption: With a quiescent current of only 80µA, this voltage reference minimizes power consumption, making it suitable for power-sensitive applications.
• Wide supply voltage range: The LM4128AMFX-3.3 can operate within a wide supply voltage range of 2.7V to 12V, providing flexibility in various circuit designs.
• Low temperature coefficient: Its low temperature coefficient of 50ppm/°C ensures minimal voltage variation with changes in temperature.

Advantages and Disadvantages

Advantages

• High precision and stability
• Low power consumption
• Compact package size
• Wide supply voltage range

Disadvantages

• Limited output voltage options (only 3.3V)

Working Principles

The LM4128AMFX-3.3 utilizes bandgap voltage reference technology to generate a stable 3.3V output voltage. It employs a combination of active and passive components to achieve high accuracy and low temperature coefficient characteristics.

Detailed Application Field Plans

The LM4128AMFX-3.3 finds application in various electronic systems where a precise and stable voltage reference is required. Some common application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Precision measurement equipment
5. Battery-powered devices
6. Sensor interfaces

Detailed and Complete Alternative Models

1. LM4040AIM3-3.3/NOPB: This voltage reference offers similar specifications and performance as the LM4128AMFX-3.3, with a slightly different package type.
2. LT1236ACS8-3.3#PBF: Another alternative with comparable characteristics, available in an 8-pin SOIC package.
3. MAX6126AASA33+: This voltage reference provides a 3.3V output with excellent accuracy and low noise performance.

These alternative models can be considered based on specific application requirements and availability.

In conclusion, the LM4128AMFX-3.3 is a high-precision voltage reference that offers stability, low power consumption, and a compact package size. Its wide range of applications and availability of alternative models make it a versatile choice for various electronic circuit designs.