LM4128DMFX-2.0/NOPB

Product Overview

Category

The LM4128DMFX-2.0/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 LM4128DMFX-2.0/NOPB is available in a small SOT-23 package, which is suitable for surface mount applications.

Essence

The essence of LM4128DMFX-2.0/NOPB lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

This product 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)
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.7V to 12V
• Quiescent Current: 120µA (typical)

Detailed Pin Configuration

The LM4128DMFX-2.0/NOPB has three pins:

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

Functional Features

• High precision: The LM4128DMFX-2.0/NOPB provides a highly accurate output voltage of 2.0V, ensuring precise circuit operation.
• Low temperature coefficient: Its low temperature coefficient ensures minimal output voltage variation 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 LM4128DMFX-2.0/NOPB can operate reliably in a wide temperature range, making it suitable for various applications.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable circuit performance.
• Low temperature coefficient minimizes output voltage variation with temperature changes.
• Small package size enables space-saving designs.
• Wide operating temperature range allows for versatile application usage.

Disadvantages

• Limited output voltage options (only 2.0V).
• Higher cost compared to less precise voltage references.

Working Principles

The LM4128DMFX-2.0/NOPB utilizes bandgap voltage reference technology to generate a stable and accurate output voltage. It compensates for temperature variations by using internal circuitry that adjusts the output voltage accordingly. This ensures consistent performance across a wide temperature range.

Detailed Application Field Plans

The LM4128DMFX-2.0/NOPB finds applications in various fields, including:

1. Precision measurement equipment: It provides a stable voltage reference for accurate measurements in instruments such as multimeters and oscilloscopes.
2. Industrial control systems: The LM4128DMFX-2.0/NOPB ensures precise voltage references in control systems used in manufacturing processes.
3. Communication devices: It is utilized in communication devices to maintain accurate voltage levels for signal processing and transmission.
4. Automotive electronics: The LM4128DMFX-2.0/NOPB is suitable for automotive applications where stable voltage references are crucial for reliable operation.

Detailed and Complete Alternative Models

1. LM4040CIZ-2.0/NOPB: This voltage reference offers similar characteristics and specifications to the LM4128DMFX-2.0/NOPB, with an output voltage of 2.0V.
2. LT6656BCS6-2.0#TRMPBF: This precision voltage reference provides a 2.0V output with high accuracy and stability, suitable for demanding applications.
3. MAX6126AASA25+: With an output voltage of 2.5V, this voltage reference offers comparable performance and reliability to the LM4128DMFX-2.0/NOPB.

In conclusion, the LM4128DMFX-2.0/NOPB is a precision voltage reference that provides high accuracy, stability, and low temperature coefficient. Its small package size and wide operating temperature range make it suitable for various applications in different fields. While it has limited output voltage options, its advantages outweigh the disadvantages. Alternative models such as LM4040CIZ-2.0/NOPB, LT6656BCS6-2.0#TRMPBF, and MAX6126AASA25+ offer similar functionality and can be considered as alternatives.