LM4040CIM3-2.5

Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOT-23-3

Essence: The LM4040CIM3-2.5 is a precision voltage reference IC that provides a stable and accurate output voltage of 2.5V.

Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

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

Pin Configuration

The LM4040CIM3-2.5 has three pins arranged as follows:

```

---

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

Pin Descriptions: - VOUT: Output voltage pin - GND: Ground pin

Functional Features

1. Precision Voltage Reference: The LM4040CIM3-2.5 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 LM4040CIM3-2.5 can operate efficiently even when the input voltage is close to the desired output voltage.

3. High Accuracy and Stability: This IC offers excellent accuracy and long-term stability, ensuring consistent performance over time.

4. Low Temperature Coefficient: The LM4040CIM3-2.5 has a low temperature coefficient of 50ppm/°C, minimizing the impact of temperature variations on the output voltage.

Advantages and Disadvantages

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

Disadvantages: - Limited output voltage options (fixed at 2.5V)

Working Principles

The LM4040CIM3-2.5 utilizes bandgap reference technology to generate a stable and accurate output voltage. It employs a combination of active and passive components to maintain a constant voltage regardless of changes in input voltage or temperature.

Detailed Application Field Plans

The LM4040CIM3-2.5 is commonly used in various applications that require a precise voltage reference. Some typical application fields include:

1. Analog-to-Digital Converters (ADCs): The LM4040CIM3-2.5 can be used as a reference voltage for ADCs, ensuring accurate conversion of analog signals.

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

3. Sensor Calibration: The LM4040CIM3-2.5 is suitable for calibrating sensors that require a precise and stable reference voltage.

4. Battery Management Systems: It can be utilized in battery management systems to provide a reliable reference voltage for monitoring battery levels.

Detailed and Complete Alternative Models

Some alternative models to the LM4040CIM3-2.5 that offer similar functionality are:

1. LT6654: Precision Voltage Reference IC with selectable output voltages.
2. MAX619: Low Dropout Voltage Reference IC with adjustable output voltage.
3. REF102: High-Precision Voltage Reference IC with low temperature coefficient.

These alternative models can be considered based on specific requirements and desired features.

Word count: 410 words