LM4041CYM3-1.2-TR

Product Overview

Category

The LM4041CYM3-1.2-TR belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low dropout voltage
• Wide operating current range
• Small package size

Package

The LM4041CYM3-1.2-TR is available in a SOT-23-3 package.

Essence

This product serves as a precise voltage reference, providing a stable output voltage for other components in a circuit.

Packaging/Quantity

The LM4041CYM3-1.2-TR is typically packaged in reels containing 3000 units.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV (typical)
• Operating Current Range: 60µA to 15mA
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4041CYM3-1.2-TR has three pins:

1. VOUT: Output pin, connected to the load or other components requiring a stable voltage reference.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, connected to the power supply voltage.

Functional Features

• Precise voltage reference: The LM4041CYM3-1.2-TR provides a highly accurate and stable output voltage of 1.2V.
• Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power utilization.
• Wide operating current range: The device can handle a wide range of operating currents, making it versatile for various applications.
• Low temperature coefficient: The LM4041CYM3-1.2-TR exhibits a low temperature coefficient, maintaining stability across different temperatures.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance in precision applications.
• Small package size allows for space-saving designs.
• Wide operating current range provides flexibility in circuit design.
• Low dropout voltage minimizes power dissipation.

Disadvantages

• Limited output voltage options restrict its use in certain applications requiring different reference voltages.
• Temperature coefficient may still introduce slight variations in extreme temperature conditions.

Working Principles

The LM4041CYM3-1.2-TR operates as a shunt regulator. It uses a precision bandgap reference to generate a stable 1.2V output voltage. The input voltage is regulated by the internal circuitry, ensuring a constant output regardless of load variations or changes in the input voltage.

Detailed Application Field Plans

The LM4041CYM3-1.2-TR 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 LM4041CYM3-1.2-TR ensures precise voltage references for ADCs, improving the accuracy of digital conversions.
3. Voltage regulators: It serves as a reference voltage for linear voltage regulators, enhancing their stability and performance.
4. Portable electronic devices: The small package size and low power consumption make it suitable for battery-powered devices like smartphones and portable audio players.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM4041CYM3-1.2-TR include:

1. LM4040: This series offers various output voltage options and package sizes, providing flexibility for different applications.
2. LT1236: It provides high accuracy and low temperature coefficient, suitable for precision measurement equipment.
3. MAX6126: This voltage reference offers ultra-low noise performance, making it ideal for sensitive analog circuits.

In conclusion, the LM4041CYM3-1.2-TR is a precision voltage reference with high accuracy, stability, and a wide operating current range. Its small package size and low dropout voltage make it suitable for various electronic applications. However, its limited output voltage options and slight temperature coefficient variations are worth considering in specific use cases.