LM4040CEM3X-2.5

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low voltage reference - Precision output voltage of 2.5V - High accuracy and stability - Low temperature coefficient - Low dropout voltage - Small package size

Package: SOT-23-3

Essence: The LM4040CEM3X-2.5 is a precision voltage reference IC that provides a stable and accurate output voltage of 2.5V. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The LM4040CEM3X-2.5 is available in a small SOT-23-3 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 2.5V ± 0.1%
• Temperature Coefficient: 50ppm/°C (maximum)
• Dropout Voltage: 60mV (typical)
• Supply Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4040CEM3X-2.5 has three pins arranged as follows:

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| | --| V+ |-- --| |-- |____| ```

Pin Descriptions: - V+: Input voltage pin - GND: Ground pin - VOUT: Output voltage pin

Functional Features

1. Precision Voltage Reference: The LM4040CEM3X-2.5 provides a highly accurate and stable output voltage of 2.5V, making it suitable for applications requiring precise voltage references.

2. Low Dropout Voltage: With a low dropout voltage of only 60mV, the LM4040CEM3X-2.5 can operate efficiently even when the input voltage is close to the desired output voltage.

3. Low Temperature Coefficient: The temperature coefficient of the LM4040CEM3X-2.5 is limited to a maximum of 50ppm/°C, ensuring minimal output voltage variation with temperature changes.

4. Small Package Size: The SOT-23-3 package of the LM4040CEM3X-2.5 allows for easy integration into space-constrained electronic designs.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Small package size - Low temperature coefficient

Disadvantages: - Limited output voltage options (only 2.5V)

Working Principles

The LM4040CEM3X-2.5 utilizes bandgap reference technology to generate a precise and stable output voltage. It employs a combination of active and passive components to achieve accurate voltage references across various operating conditions.

Detailed Application Field Plans

The LM4040CEM3X-2.5 finds applications in a wide range of electronic systems that require a reliable and precise voltage reference. Some common application areas include:

1. Analog-to-Digital Converters (ADCs): The LM4040CEM3X-2.5 can be used as a reference voltage source for ADCs, ensuring accurate conversion of analog signals.

2. Voltage Regulators: It can serve as a stable voltage reference for voltage regulators, improving their overall performance and regulation accuracy.

3. Sensor Calibration: The LM4040CEM3X-2.5 is suitable for calibrating sensors that rely on precise voltage references, such as temperature sensors or pressure sensors.

4. Precision Instrumentation: It can be utilized in precision instrumentation equipment, such as multimeters or oscilloscopes, to provide accurate voltage references for measurement purposes.

Detailed and Complete Alternative Models

1. LM4040CEM3-2.5: Similar to LM4040CEM3X-2.5 but without the "X" suffix, indicating a different manufacturing process.

2. LM4040CEM3X-2.0: Provides an output voltage of 2.0V instead of 2.5V.

3. LM4040CEM3X-3.0: Offers an output voltage of 3.0V, suitable for applications requiring a higher reference voltage.

4. LM4040CEM3X-ADJ: Adjustable version allowing the user to set the desired output voltage within a specific range.

These alternative models offer similar functionality with slight variations in output voltage options or adjustable features, providing flexibility for different application requirements.

In conclusion, the LM4040CEM3X-2.5 is a precision voltage reference IC that offers high accuracy, stability, and low dropout voltage. Its small package size