LM4040EIM3-2.0/NOPB

Product Overview

Category

The LM4040EIM3-2.0/NOPB belongs to the category of voltage references.

Use

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

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low output noise
• Wide operating temperature range
• Small package size

Package

The LM4040EIM3-2.0/NOPB is available in a SOT-23-3 package.

Essence

The essence of this product lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

The LM4040EIM3-2.0/NOPB is typically packaged in reels, with 3000 units per reel.

Specifications

• Output Voltage: 2.048V
• 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 LM4040EIM3-2.0/NOPB has three pins:

1. VOUT: Output voltage pin
2. GND: Ground pin
3. VIN: Input voltage pin

Functional Features

• Precise voltage reference for accurate circuit operation
• Low power consumption
• Stable output voltage over a wide temperature range
• Low output noise for improved signal integrity
• Compact package size for space-constrained applications

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable circuit performance.
• Low temperature coefficient minimizes voltage variations with temperature changes.
• Low output noise improves signal quality in sensitive applications.
• Wide operating temperature range allows for use in various environments.
• Small package size enables integration into space-constrained designs.

Disadvantages

• Limited output voltage options, only providing a fixed 2.048V reference.
• Requires an external power supply within the specified voltage range.

Working Principles

The LM4040EIM3-2.0/NOPB utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This design ensures that the output voltage remains relatively constant over a wide temperature range.

Detailed Application Field Plans

The LM4040EIM3-2.0/NOPB finds applications in various fields, including:

1. Precision analog circuits
2. Data acquisition systems
3. Industrial control systems
4. Portable electronic devices
5. Battery management systems
6. Medical equipment
7. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the LM4040EIM3-2.0/NOPB include:

1. LM4040AIM3-2.0/NOPB: Similar specifications but available in a different package.
2. LT1021BCN8-2.048: Higher accuracy and lower temperature coefficient, but in a larger package.
3. MAX6126AASA25+: Lower initial accuracy but with a wider supply voltage range.

These alternative models offer different trade-offs in terms of specifications, package size, and performance characteristics, allowing designers to choose the most suitable option for their specific application.

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