LM4040DEM3-2.5+T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOT-23-3

Essence: The LM4040DEM3-2.5+T 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 LM4040DEM3-2.5+T 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: 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 LM4040DEM3-2.5+T has three pins arranged as follows:

```

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| | --|VOUT|-- --| |-- --|VIN |-- |____| ```

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

Functional Features

• High precision: The LM4040DEM3-2.5+T offers a high initial accuracy of ±0.1%, ensuring precise voltage references in various applications.
• Low dropout voltage: With a dropout voltage of only 60mV, the LM4040DEM3-2.5+T can operate efficiently even when the input voltage is close to the output voltage.
• Temperature stability: The temperature coefficient of 50ppm/°C ensures that the output voltage remains stable over a wide temperature range.
• Low quiescent current: The LM4040DEM3-2.5+T consumes only 60µA of current, making it suitable for low-power applications.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Small package size - Wide operating temperature range - Low dropout voltage

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

Working Principles

The LM4040DEM3-2.5+T utilizes bandgap reference technology to generate a precise and stable output voltage. It compares the voltage across a temperature-stable resistor with a scaled version of the bandgap voltage. By adjusting the current through the resistor, the IC maintains a constant voltage drop, resulting in a stable output voltage.

Detailed Application Field Plans

The LM4040DEM3-2.5+T finds applications in various fields, including: 1. Precision analog circuits 2. Voltage regulators 3. Data acquisition systems 4. Test and measurement equipment 5. Portable electronic devices

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB
2. LT1461ACS8-2.5#PBF
3. MAX6126AASA25+
4. REF5025AIDGKT
5. ADR4550BRZ

These alternative models offer similar functionality and performance to the LM4040DEM3-2.5+T and can be considered as substitutes based on specific requirements.

In conclusion, the LM4040DEM3-2.5+T is a precision voltage reference IC that provides a stable and accurate output voltage of 2.5V. With its high accuracy, low dropout voltage, and small package size, it is widely used in various applications requiring precise voltage references.