LM4128CMFX-1.8

Product Overview

Category

LM4128CMFX-1.8 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

LM4128CMFX-1.8 is available in a small SOT-23 package.

Essence

The essence of LM4128CMFX-1.8 lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

The product is typically packaged in reels or tubes, with each containing a specific quantity of LM4128CMFX-1.8 units.

Specifications

• Output Voltage: 1.8V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LM4128CMFX-1.8 has three pins:

1. VOUT: Output pin, provides the stable 1.8V reference voltage.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, receives the supply voltage for the reference.

Functional Features

• High precision voltage reference
• Low power consumption
• Excellent line and load regulation
• Fast start-up time
• Low output noise

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable circuit performance.
• Low dropout voltage minimizes power dissipation.
• Wide operating temperature range allows usage in extreme conditions.
• Small package size enables space-saving designs.

Disadvantages

• Limited output voltage options (only 1.8V in this case).
• Relatively higher cost compared to some other voltage references.

Working Principles

LM4128CMFX-1.8 utilizes bandgap reference technology to generate a stable and accurate voltage reference. It compensates for temperature variations and provides a constant output voltage regardless of changes in supply voltage or load conditions.

Detailed Application Field Plans

LM4128CMFX-1.8 finds applications in various fields, including:

1. Precision analog circuits
2. Data acquisition systems
3. Battery-powered devices
4. Industrial control systems
5. Medical equipment
6. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LM4128CMFX-1.8 are:

1. LM4040
2. LT6654
3. REF5025
4. MAX6126

These models offer similar functionality and performance characteristics, providing flexibility in choosing the most suitable voltage reference for specific applications.

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