LM4040DIM3-4.1

Product Overview

Category

The LM4040DIM3-4.1 belongs to the category of precision voltage references.

Use

It is commonly used as a stable voltage reference in various electronic circuits.

Characteristics

• High precision: The LM4040DIM3-4.1 provides a highly accurate output voltage.
• Low temperature coefficient: It exhibits minimal variation in output voltage with changes in temperature.
• Low power consumption: The device operates efficiently, consuming minimal power.
• Small package size: The LM4040DIM3-4.1 is available in a compact SOT-23 package.
• Wide operating range: It can operate within a wide range of input voltages.

Package and Quantity

The LM4040DIM3-4.1 is packaged in a SOT-23 package and is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 4.1V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 20ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)

Pin Configuration

The LM4040DIM3-4.1 has three pins:

1. VOUT: Output pin, connected to the load circuit.
2. GND: Ground pin, connected to the common ground.
3. VIN: Input pin, connected to the power supply.

Functional Features

• Precision voltage reference: The LM4040DIM3-4.1 provides a stable and accurate voltage reference for precise circuit operation.
• Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power utilization.
• Reverse current protection: The device incorporates reverse current protection, preventing damage to the circuitry.
• Short-circuit protection: It offers protection against short circuits, safeguarding the connected components.

Advantages and Disadvantages

Advantages

• High precision and accuracy.
• Low temperature coefficient ensures stable performance across varying temperatures.
• Small package size allows for space-saving integration in compact designs.
• Wide operating voltage range provides flexibility in various applications.

Disadvantages

• Limited output voltage options.
• Relatively higher cost compared to standard voltage references.
• Sensitivity to external noise may require additional filtering measures.

Working Principles

The LM4040DIM3-4.1 is based on a bandgap reference circuit that generates a stable voltage reference using temperature-dependent properties of semiconductor materials. It utilizes a combination of resistors, diodes, and amplifiers to achieve precise voltage regulation.

Application Field Plans

The LM4040DIM3-4.1 finds application in various fields, including:

1. Precision measurement equipment: It is used as a voltage reference in multimeters, oscilloscopes, and other measuring instruments.
2. Analog-to-digital converters (ADCs): The LM4040DIM3-4.1 provides a stable reference voltage for accurate conversion in ADCs.
3. Voltage regulators: It serves as a reference for voltage regulators, ensuring stable and reliable output voltages.
4. Sensor calibration: The LM4040DIM3-4.1 is employed in sensor calibration circuits to provide a precise reference voltage.

Alternative Models

Several alternative models with similar characteristics and specifications to the LM4040DIM3-4.1 include:

1. LT1236CDE-4.1
2. MAX6126AASA41+
3. REF3040AIDBZT

These alternatives can be considered based on specific requirements and availability.

In conclusion, the LM4040DIM3-4.1 is a precision voltage reference with high accuracy, low temperature coefficient, and small package size. It finds application in various fields, providing stable voltage references for precise circuit operation.