LM4040DIX3-2.1+T

Product Overview

Category

The LM4040DIX3-2.1+T belongs to the category of precision voltage references.

Use

This product is commonly used as a stable voltage reference in various electronic circuits and systems.

Characteristics

• High precision: The LM4040DIX3-2.1+T provides a highly accurate output voltage with low temperature coefficient.
• Low power consumption: It operates at low current levels, making it suitable for battery-powered applications.
• Wide operating range: The voltage reference can operate within a wide range of input voltages.
• Small package size: The LM4040DIX3-2.1+T is available in a compact SOT-23 package, allowing for space-efficient designs.
• Low output noise: It offers excellent noise performance, ensuring clean and stable voltage references.

Package

The LM4040DIX3-2.1+T is packaged in a SOT-23 package, which is a small surface-mount package with three leads.

Essence

The essence of the LM4040DIX3-2.1+T is its ability to provide a precise and stable voltage reference, ensuring accurate operation of electronic circuits.

Packaging/Quantity

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

Specifications

• Output Voltage: 2.1V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Operating Current: 60µA
• Input Voltage Range: 2.7V to 10V
• Output Current Capability: 15mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4040DIX3-2.1+T has three pins in the SOT-23 package:

1. Pin 1 (VOUT): Output voltage pin.
2. Pin 2 (NC): No connection pin.
3. Pin 3 (VIN): Input voltage pin.

Functional Features

• High precision voltage reference.
• Low temperature coefficient for accurate performance over a wide temperature range.
• Low power consumption for energy-efficient designs.
• Stable output voltage with low noise for reliable operation.
• Wide input voltage range for versatile applications.

Advantages and Disadvantages

Advantages

• High accuracy and stability.
• Low power consumption.
• Small package size.
• Wide operating range.
• Low output noise.

Disadvantages

• Limited output current capability.
• Requires an external decoupling capacitor for optimal performance.

Working Principles

The LM4040DIX3-2.1+T utilizes a bandgap voltage reference circuit to generate a stable and precise 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 ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The LM4040DIX3-2.1+T finds applications in various fields, including:

1. Precision measurement equipment: It provides a stable voltage reference for accurate measurements in instruments such as multimeters and oscilloscopes.
2. Analog-to-digital converters (ADCs): The LM4040DIX3-2.1+T ensures precise voltage references for ADCs, enabling accurate conversion of analog signals.
3. Voltage regulators: It serves as a reference voltage for voltage regulator circuits, ensuring stable and regulated output voltages.
4. Portable electronic devices: The low power consumption and small package size make it suitable for battery-powered devices like smartphones, tablets, and wearables.

Detailed and Complete Alternative Models

1. LM4040CIZ-2.1: This model offers similar specifications and performance but comes in a different package (TO-92).
2. LT1236ACS8-2.1: An alternative precision voltage reference with comparable characteristics, available in an 8-pin SOIC package.
3. MAX6126AASA21+: This model provides a high-precision voltage reference with low noise, packaged in an SOT-23 package.

These alternative models can be considered based on specific design requirements and availability.

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