LM4140ACM-2.0

Product Overview

Category

The LM4140ACM-2.0 belongs to the category of voltage references.

Use

It is primarily used as a precision voltage reference in various electronic circuits.

Characteristics

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

Package

The LM4140ACM-2.0 is available in a small outline integrated circuit (SOIC) package.

Essence

This voltage reference is designed to provide a precise and stable voltage output for use in analog and digital applications.

Packaging/Quantity

The LM4140ACM-2.0 is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Output Voltage: 2.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 20ppm/°C
• Supply Voltage Range: 2.7V to 10V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4140ACM-2.0 has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. VIN: Input Voltage

Functional Features

• Precise and stable output voltage
• Low power consumption
• Fast response time
• Excellent line and load regulation

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Low temperature coefficient minimizes voltage drift over temperature variations.
• Low output noise allows for clean signal processing.
• Wide operating temperature range enables usage in extreme environments.

Disadvantages

• Limited output voltage options restrict its applicability in certain circuits.
• Relatively higher cost compared to some other voltage references.

Working Principles

The LM4140ACM-2.0 utilizes a bandgap voltage reference circuit to generate a precise and stable output voltage. It compensates for temperature variations by employing a temperature-dependent current source and a voltage divider network. This ensures that the output voltage remains constant over a wide range of operating conditions.

Detailed Application Field Plans

The LM4140ACM-2.0 finds applications in various fields, including:

1. Precision analog-to-digital converters (ADCs)
2. Voltage regulators
3. Data acquisition systems
4. Test and measurement equipment
5. Industrial control systems

Detailed and Complete Alternative Models

1. LM4040AIM3-2.0: 2.0V precision shunt voltage reference
2. LT1021BCN8-2.0: 2.0V precision reference with low drift and noise
3. REF5020AIDGKT: 2.0V precision voltage reference with integrated temperature sensor

These alternative models offer similar functionality and can be used as substitutes for the LM4140ACM-2.0 in various applications.

In conclusion, the LM4140ACM-2.0 is a high-precision voltage reference with excellent stability and accuracy. Its wide operating temperature range and low output noise make it suitable for a variety of electronic circuits. While it has some limitations in terms of output voltage options and cost, there are alternative models available that offer similar performance characteristics.