LM4040BIM3X-2.5

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 LM4040BIM3X-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 LM4040BIM3X-2.5 is available in a small SOT-23-3 package. It is typically sold in reels or tubes containing a specified quantity of ICs.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA

Pin Configuration

The LM4040BIM3X-2.5 has three pins arranged as follows:

```

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| | --| VOUT |-- --| GND |-- --| VIN |-- |_______| ```

Pin Description: - VOUT: Output Voltage - GND: Ground - VIN: Input Voltage

Functional Features

1. Precision Voltage Reference: The LM4040BIM3X-2.5 provides a highly accurate and stable output voltage of 2.5V, making it suitable for applications requiring precise voltage references.

2. Low Temperature Coefficient: With a temperature coefficient of 50ppm/°C, the LM4040BIM3X-2.5 maintains its accuracy over a wide temperature range.

3. Low Dropout Voltage: The IC has a low dropout voltage of 60mV, ensuring efficient operation even with low input voltages.

4. Small Package Size: The SOT-23-3 package offers a compact form factor, making it suitable for space-constrained applications.

Advantages

• High accuracy and stability
• Low temperature coefficient ensures consistent performance across temperatures
• Low dropout voltage allows for efficient operation
• Small package size enables use in compact designs

Disadvantages

• Limited output voltage options (only 2.5V)
• Not suitable for applications requiring higher output voltages

Working Principles

The LM4040BIM3X-2.5 utilizes bandgap voltage reference technology to generate a precise and stable output voltage of 2.5V. It employs a combination of internal circuitry and feedback mechanisms to achieve high accuracy and low temperature coefficient.

Detailed Application Field Plans

The LM4040BIM3X-2.5 finds application in various electronic systems where a reliable and accurate voltage reference is essential. Some common application fields include:

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

2. Precision Instrumentation: It is suitable for precision measurement instruments that require stable and accurate voltage references.

3. Voltage Regulators: The LM4040BIM3X-2.5 can serve as a reference for voltage regulators, maintaining a stable output voltage.

4. Sensor Calibration: It is used in sensor calibration circuits to provide a precise reference voltage for calibration purposes.

Detailed and Complete Alternative Models

1. LM4040AIM3X-2.5: Similar to LM4040BIM3X-2.5, but available in an SOT-23 package.
2. LM4040CIM3X-2.5: Provides the same 2.5V output voltage with improved initial accuracy of ±0.05%.

These alternative models offer similar functionality and characteristics, providing options based on package preferences or enhanced accuracy requirements.

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