LM4040B30QFTA

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Precision voltage reference - Low dropout voltage - High accuracy and stability - Wide operating temperature range - Low quiescent current

Package: SOT-23-3

Essence: The LM4040B30QFTA is a precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The LM4040B30QFTA 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
• Quiescent Current: 60µA
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4040B30QFTA 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

• Precision voltage reference with low initial accuracy and temperature coefficient.
• Low dropout voltage allows for operation in low-power applications.
• Wide operating temperature range makes it suitable for various environments.
• Low quiescent current minimizes power consumption.

Advantages and Disadvantages

Advantages: - High accuracy and stability ensure reliable performance. - Small package size enables space-saving designs. - Low quiescent current prolongs battery life. - Wide operating temperature range enhances versatility.

Disadvantages: - Limited output voltage options (only 3.0V in this model). - SOT-23-3 package may require surface-mount soldering skills.

Working Principles

The LM4040B30QFTA utilizes a bandgap voltage reference circuit to generate a stable and precise output voltage. It compensates for temperature variations by employing a temperature coefficient cancellation technique. The internal circuitry ensures that the output voltage remains constant over a wide range of operating conditions.

Detailed Application Field Plans

The LM4040B30QFTA is commonly used in various applications, including but not limited to: 1. Precision analog-to-digital converters (ADCs) 2. Voltage regulators 3. Battery-powered devices 4. Test and measurement equipment 5. Industrial control systems 6. Medical devices

Detailed and Complete Alternative Models

1. LM4040AIZ-2.5: 2.5V precision voltage reference in TO-92 package.
2. LT1021BCN8-10: 10V precision reference with 0.05% initial accuracy in DIP-8 package.
3. REF5025AIDGKT: 2.5V precision voltage reference with 0.02% initial accuracy in VSSOP-8 package.
4. MAX6190AESA+: 2.048V low-dropout voltage reference in SOIC-8 package.

These alternative models offer different output voltages, accuracies, and package options to suit specific application requirements.

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