LM4040DEX3-3.3+T

Product Overview

Category

The LM4040DEX3-3.3+T belongs to the category of voltage references.

Use

This product is commonly used as a precision voltage reference in various electronic applications.

Characteristics

• High accuracy: The LM4040DEX3-3.3+T provides a highly accurate output voltage of 3.3V.
• Low temperature coefficient: It exhibits a low temperature coefficient, ensuring stable performance across different temperature ranges.
• Low power consumption: This voltage reference consumes minimal power, making it suitable for battery-powered devices.
• Wide operating range: The LM4040DEX3-3.3+T can operate within a wide voltage range, enhancing its versatility.
• Excellent line regulation: It maintains a consistent output voltage even when the input voltage varies.

Package

The LM4040DEX3-3.3+T is available in a small surface-mount SOT-23 package, which offers compactness and ease of integration into circuit designs.

Essence

The essence of the LM4040DEX3-3.3+T lies in its ability to provide a precise and stable voltage reference, ensuring reliable operation of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 3.3V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA

Detailed Pin Configuration

The LM4040DEX3-3.3+T features three pins:

1. VOUT: Output pin, providing a stable 3.3V reference voltage.
2. GND: Ground pin, connected to the system ground.
3. VIN: Input pin, receiving the supply voltage.

Functional Features

• Voltage Reference: The LM4040DEX3-3.3+T acts as a precise voltage reference, ensuring accurate voltage levels in electronic circuits.
• Stability: It maintains a stable output voltage even under varying load conditions and temperature changes.
• Low Power Consumption: The LM4040DEX3-3.3+T consumes minimal power, making it suitable for power-sensitive applications.
• Fast Response: It exhibits fast response times, enabling quick stabilization of the output voltage during transient events.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low temperature coefficient
• Wide operating range
• Compact package size
• Low power consumption

Disadvantages

• Limited output voltage options (fixed at 3.3V)
• Not suitable for applications requiring adjustable voltage references

Working Principles

The LM4040DEX3-3.3+T utilizes bandgap voltage reference technology to generate a precise and stable 3.3V output voltage. It employs a combination of temperature-compensated diodes and amplifiers to achieve high accuracy and low temperature coefficient characteristics.

Detailed Application Field Plans

The LM4040DEX3-3.3+T finds extensive application in various electronic systems, including but not limited to: - Precision analog-to-digital converters (ADCs) - Digital-to-analog converters (DACs) - Voltage regulators - Oscillators and timers - Sensor interfaces - Battery management systems

Its accurate voltage reference capability ensures reliable and consistent performance in these applications.

Detailed and Complete Alternative Models

1. LM4040AEX3-3.3+T: Similar to LM4040DEX3-3.3+T, but with an extended temperature range (-40°C to +125°C).
2. LM4040BEX3-3.3+T: Offers a lower initial accuracy of ±0.2% but operates at a wider supply voltage range (1.8V to 10V).
3. LM4040CEM3-3.3+T: Provides a higher initial accuracy of ±0.05% and a lower temperature coefficient of 20ppm/°C.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the LM4040DEX3-3.3+T is a highly accurate and stable voltage reference that finds widespread use in precision electronic applications. Its compact package, low power consumption, and excellent performance characteristics make it a reliable choice for various circuit designs.