LM4040D20IDBZT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, small package size
• Package: SOT-23-3
• Essence: Provides a stable and accurate voltage reference for various electronic applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Output Voltage: 2.048V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 100ppm/°C
• Dropout Voltage: 60mV
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA

Pin Configuration

The LM4040D20IDBZT has three pins arranged as follows:

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| | --| VOUT |-- Pin 1 --| |-- Pin 2 --| GND |-- Pin 3 |_______| ```

Functional Features

• Provides a precise and stable voltage reference of 2.048V
• Low dropout voltage allows for efficient operation in low-power applications
• High initial accuracy ensures reliable performance
• Wide operating temperature range enables usage in various environments
• Low quiescent current minimizes power consumption

Advantages

• High precision and stability make it suitable for demanding applications
• Small package size saves board space
• Low dropout voltage reduces power dissipation
• Wide input voltage range provides flexibility in different circuits
• Excellent temperature coefficient ensures consistent performance across temperatures

Disadvantages

• Limited output voltage options restricts its use in certain applications requiring different reference voltages
• SOT-23-3 package may not be suitable for applications requiring higher power dissipation

Working Principles

The LM4040D20IDBZT is a shunt voltage reference IC. It utilizes a bandgap voltage reference circuit to generate a stable and accurate 2.048V output voltage. The internal circuitry compensates for temperature variations, ensuring the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

• Precision analog-to-digital converters (ADCs)
• Digital-to-analog converters (DACs)
• Voltage regulators
• Battery management systems
• Sensor calibration circuits
• Portable electronic devices

Alternative Models

1. LT6654-2.048V: Offers similar specifications and pin configuration.
2. MAX6126A25: Provides a 2.5V output voltage with comparable accuracy.
3. REF102CU: A precision voltage reference with a 10V output voltage option.

These alternative models can be considered based on specific application requirements and compatibility.

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