LM4040AEX3-4.1+T

Product Overview

Category

The LM4040AEX3-4.1+T belongs to the category of precision voltage references.

Use

It is commonly used as a stable voltage reference in various electronic circuits and systems.

Characteristics

• High precision: The LM4040AEX3-4.1+T provides a highly accurate output voltage of 4.1V.
• Low temperature coefficient: It exhibits a low temperature drift, ensuring stability over a wide range of operating temperatures.
• Low power consumption: The device consumes minimal power, making it suitable for battery-powered applications.
• Small package size: The LM4040AEX3-4.1+T is available in a compact SOT-23 package, allowing for space-efficient designs.
• Easy integration: It can be easily integrated into existing circuitry due to its compatibility with standard voltage reference pin configurations.

Package and Quantity

The LM4040AEX3-4.1+T is typically packaged in reels or tape and reel packaging, containing a specified quantity of units per package.

Specifications

• Output Voltage: 4.1V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 20ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)
• Load Regulation: 0.1% (typical)

Pin Configuration

The LM4040AEX3-4.1+T features a three-pin configuration:

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

Functional Features

• Precision voltage reference: The LM4040AEX3-4.1+T provides a stable and accurate voltage reference for precise circuit operation.
• Low power consumption: It consumes minimal power, making it suitable for power-sensitive applications.
• Wide operating temperature range: The device operates reliably over a wide temperature range, ensuring consistent performance in various environments.
• Low output impedance: The LM4040AEX3-4.1+T exhibits low output impedance, enabling it to drive loads with minimal voltage drop.

Advantages and Disadvantages

Advantages

• High precision and accuracy
• Low temperature coefficient
• Small package size for space-constrained designs
• Easy integration into existing circuits
• Wide operating temperature range

Disadvantages

• Limited output voltage options (specifically 4.1V in this case)
• Not suitable for applications requiring higher output voltages

Working Principles

The LM4040AEX3-4.1+T utilizes bandgap voltage reference technology to generate a stable and precise output voltage. It employs a combination of active and passive components to achieve the desired voltage reference characteristics. The internal circuitry compensates for temperature variations, ensuring consistent performance across different operating conditions.

Detailed Application Field Plans

The LM4040AEX3-4.1+T finds application in various fields, including:

1. Precision measurement equipment: It is used as a voltage reference in multimeters, oscilloscopes, and other precision measurement instruments.
2. Analog-to-digital converters (ADCs): The LM4040AEX3-4.1+T provides a stable reference voltage for accurate conversion in ADCs.
3. Voltage regulators: It serves as a reference voltage for linear voltage regulators, ensuring stable and regulated output voltages.
4. Sensor calibration: The LM4040AEX3-4.1+T is employed in sensor calibration circuits to provide a reliable and accurate reference voltage.

Detailed Alternative Models

1. LM4040AEX3-5.0+T: Provides a 5.0V output voltage.
2. LM4040AEX3-2.5+T: Offers a 2.5V output voltage.
3. LM4040AEX3-3.0+T: Delivers a 3.0V output voltage.
4. LM4040AEX3-4.0+T: Provides a 4.0V output voltage.

These alternative models offer different output voltage options to suit specific application requirements.

In conclusion, the LM4040AEX3-4.1+T is a precision voltage reference with high accuracy, low temperature coefficient, and low power consumption. It finds application in various fields, including precision measurement equipment, ADCs, voltage regulators, and sensor calibration circuits. While it has limited output voltage options, it offers several alternative models with different output voltages.