LM4040EIM3X-2.5/NOPB

Product Overview

Category

The LM4040EIM3X-2.5/NOPB 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

• Voltage Output: 2.5V
• Package Type: SOT-23
• Temperature Coefficient: ±50 ppm/°C
• Initial Accuracy: ±0.1%
• Low Quiescent Current: 60 µA (typical)
• Wide Operating Range: 1.7V to 10V

Packaging/Quantity

The LM4040EIM3X-2.5/NOPB is available in a SOT-23 package. It is typically sold in reels or tubes, with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 2.5V ±0.1%
• Temperature Coefficient: ±50 ppm/°C
• Quiescent Current: 60 µA (typical)
• Operating Range: 1.7V to 10V
• Load Regulation: 0.1% (typical)
• Line Regulation: 0.02% (typical)
• Dropout Voltage: 200 mV (typical)

Pin Configuration

The LM4040EIM3X-2.5/NOPB has three pins:

1. VOUT: Output Voltage Pin
2. GND: Ground Pin
3. VIN: Input Voltage Pin

Functional Features

• High Precision: The LM4040EIM3X-2.5/NOPB provides a highly accurate and stable output voltage of 2.5V, making it suitable for precision applications.
• Low Quiescent Current: With a low quiescent current of 60 µA, this voltage reference minimizes power consumption in battery-powered devices.
• Wide Operating Range: The LM4040EIM3X-2.5/NOPB can operate within a wide voltage range of 1.7V to 10V, providing flexibility in various circuit designs.
• Temperature Stability: It offers a temperature coefficient of ±50 ppm/°C, ensuring consistent performance across different temperature conditions.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low power consumption
• Wide operating range
• Compact SOT-23 package

Disadvantages

• Limited output voltage options (only 2.5V)
• Relatively higher initial cost compared to some alternatives

Working Principles

The LM4040EIM3X-2.5/NOPB is based on a bandgap voltage reference circuit. It utilizes the inherent properties of semiconductor materials to generate a stable voltage reference. The bandgap reference circuit compensates for temperature variations, ensuring that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The LM4040EIM3X-2.5/NOPB finds applications in various fields, including:

1. Precision Instrumentation: It is suitable for precision measurement equipment, such as digital multimeters and oscilloscopes, where accurate voltage references are essential.
2. Analog-to-Digital Converters (ADCs): ADCs require a stable voltage reference to ensure accurate conversion. The LM4040EIM3X-2.5/NOPB can provide a reliable reference voltage for ADC circuits.
3. Voltage Regulators: It can be used as a reference voltage for voltage regulators, improving their accuracy and stability.
4. Sensor Circuits: Many sensors require a precise and stable voltage reference for optimal performance. The LM4040EIM3X-2.5/NOPB can be used in sensor circuits to provide a reliable reference voltage.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM4040EIM3X-2.5/NOPB include:

1. LT6654: This voltage reference offers high accuracy and low temperature drift, making it suitable for precision applications.
2. MAX619: It provides a wide operating range and low quiescent current, making it ideal for battery-powered devices.
3. REF102: This voltage reference offers excellent line and load regulation, ensuring stable output voltage under varying conditions.

In conclusion, the LM4040EIM3X-2.5/NOPB is a voltage reference with high accuracy, low power consumption, and a wide operating range. Its compact package and stable performance make it suitable for various applications in precision instrumentation, ADCs, voltage regulators, and sensor circuits. While it has limited output voltage options, it offers several advantages over its alternatives.