LM4128CMFX-4.1

Product Overview

Category

The LM4128CMFX-4.1 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
• Wide operating temperature range

Package

The LM4128CMFX-4.1 is available in a small SOT-23 package.

Essence

The essence of LM4128CMFX-4.1 lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

The LM4128CMFX-4.1 is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 4.1V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4128CMFX-4.1 has three pins:

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

Functional Features

• High precision: The LM4128CMFX-4.1 provides a highly accurate output voltage of 4.1V, ensuring precise circuit operation.
• Low temperature coefficient: With a low temperature coefficient of 50ppm/°C, the LM4128CMFX-4.1 maintains stability over a wide temperature range.
• Low dropout voltage: The low dropout voltage of 200mV allows for efficient power utilization in low voltage applications.
• Wide operating temperature range: The LM4128CMFX-4.1 can operate reliably in temperatures ranging from -40°C to +85°C.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable circuit performance.
• Low temperature coefficient minimizes voltage variations with temperature changes.
• Low dropout voltage enables efficient power usage.
• Wide operating temperature range allows for versatile applications.

Disadvantages

• Limited output voltage options, as it is specifically designed for 4.1V reference.

Working Principles

The LM4128CMFX-4.1 utilizes a bandgap voltage reference circuit to generate a stable and accurate 4.1V output voltage. It compensates for temperature variations by employing a temperature compensation network, resulting in low temperature coefficient characteristics.

Detailed Application Field Plans

The LM4128CMFX-4.1 finds application in various fields, including: 1. Precision analog circuits 2. Data acquisition systems 3. Industrial control systems 4. Portable electronic devices 5. Battery-powered applications

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM4128CMFX-4.1 include: 1. LM4040CIM3-4.1: 4.1V precision voltage reference in SOT-23 package. 2. LT1461DCS8-4.1: 4.1V micropower precision shunt voltage reference in SO-8 package. 3. REF3030AIDBZT: 4.096V precision voltage reference in SOT-23 package.

These alternatives provide comparable accuracy, stability, and temperature coefficient characteristics to suit different design requirements.

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