LM4040CIM3X-3.0

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 LM4040CIM3X-3.0 is a precision voltage reference IC that provides a stable and accurate output voltage of 3.0V. It is commonly used in various electronic applications where a precise voltage reference is required.

Packaging/Quantity: The LM4040CIM3X-3.0 is available in a SOT-23-3 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 3.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4040CIM3X-3.0 has three pins arranged as follows:

```

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

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

Functional Features

1. Precision Voltage Reference: The LM4040CIM3X-3.0 provides a highly accurate and stable output voltage of 3.0V, making it suitable for applications requiring precise voltage references.

2. Low Dropout Voltage: With a dropout voltage of only 60mV, the LM4040CIM3X-3.0 can operate efficiently even when the input voltage is close to the desired output voltage.

3. Low Temperature Coefficient: The LM4040CIM3X-3.0 has a low temperature coefficient of 50ppm/°C, ensuring that the output voltage remains stable over a wide temperature range.

4. Small Package Size: The SOT-23-3 package of the LM4040CIM3X-3.0 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 3.0V in this variant)

Working Principles

The LM4040CIM3X-3.0 utilizes bandgap reference technology to generate a precise and stable output voltage. It compares the voltage across a precision resistor with a temperature-compensated voltage reference to maintain a constant output voltage of 3.0V.

Detailed Application Field Plans

The LM4040CIM3X-3.0 finds applications in various fields, including:

1. Precision Instrumentation: It can be used as a voltage reference in high-precision measurement equipment, such as digital multimeters and oscilloscopes.

2. Analog Circuit Design: The LM4040CIM3X-3.0 is suitable for providing a stable reference voltage in analog circuitry, ensuring accurate signal processing.

3. Battery-Powered Devices: It can be utilized in battery-powered devices, such as portable medical devices or handheld instruments, to maintain stable voltage levels.

4. Sensor Calibration: The LM4040CIM3X-3.0 can serve as a reference voltage for calibrating sensors, ensuring accurate and consistent measurements.

Detailed and Complete Alternative Models

1. LM4040CIM3X-2.5: Provides an output voltage of 2.5V with similar characteristics to the LM4040CIM3X-3.0.
2. LM4040CIM3X-4.1: Offers an output voltage of 4.1V, suitable for applications requiring a higher reference voltage.
3. LM4040CIM3X-5.0: Provides a stable output voltage of 5.0V, ideal for applications requiring a higher reference voltage.

These alternative models offer different output voltage options while maintaining the precision and stability of the LM4040CIM3X series.

In conclusion, the LM4040CIM3X-3.0 is a precision voltage reference IC that offers high accuracy, stability, and low dropout voltage. Its small package size and low temperature coefficient make it suitable for various electronic applications. It finds use in precision instrumentation, analog circuit design, battery-powered devices, and sensor calibration. Additionally, alternative models with different