LM4040CYM3-4.1-TR

Product Overview

Category

The LM4040CYM3-4.1-TR belongs to the category of precision voltage references.

Use

This product is commonly used in electronic circuits where a stable and accurate voltage reference is required.

Characteristics

• Precision: The LM4040CYM3-4.1-TR provides a highly precise output voltage of 4.1 volts.
• Low Temperature Coefficient: It exhibits a low temperature coefficient, ensuring stability across varying temperatures.
• Low Power Consumption: This voltage reference consumes minimal power, making it suitable for battery-powered applications.
• Small Package Size: The LM4040CYM3-4.1-TR comes in a compact SOT-23 package, allowing for easy integration into circuit designs.
• High Accuracy: It offers high accuracy with low initial tolerance and excellent long-term stability.
• Low Output Noise: The voltage reference generates minimal output noise, ensuring clean and reliable performance.

Package and Quantity

The LM4040CYM3-4.1-TR is available in a SOT-23 package. It is typically sold in reels or tubes containing a specified quantity of units.

Specifications

• Output Voltage: 4.1 volts
• Initial Tolerance: ±0.1%
• Temperature Coefficient: 50 ppm/°C
• Supply Voltage Range: 2.7V to 10V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 60 µA (typical)
• Load Regulation: 0.1% (typical)

Pin Configuration

The LM4040CYM3-4.1-TR has three pins:

1. VOUT: Output pin providing a stable 4.1-volt reference voltage.
2. GND: Ground pin for electrical connection.
3. VIN: Input pin for the supply voltage.

Functional Features

• Voltage Reference: The LM4040CYM3-4.1-TR acts as a precise voltage reference, providing a stable output voltage of 4.1 volts.
• Low Power Consumption: It consumes minimal power, making it suitable for battery-powered applications.
• Temperature Stability: The low temperature coefficient ensures stability across varying temperatures.
• High Accuracy: The LM4040CYM3-4.1-TR offers high accuracy with low initial tolerance and excellent long-term stability.
• Low Output Noise: It generates minimal output noise, ensuring clean and reliable performance.

Advantages and Disadvantages

Advantages

• Highly precise and stable output voltage.
• Low power consumption.
• Compact package size for easy integration.
• Excellent long-term stability.
• Low output noise for reliable performance.

Disadvantages

• Limited to a fixed output voltage of 4.1 volts.
• Not suitable for applications requiring variable or adjustable voltage references.

Working Principles

The LM4040CYM3-4.1-TR utilizes bandgap voltage reference technology to generate a stable and accurate output voltage. It employs a combination of temperature-compensated diodes and amplifiers to achieve the desired voltage reference value. By carefully controlling the internal circuitry, the LM4040CYM3-4.1-TR maintains its output voltage within tight tolerances across various operating conditions.

Detailed Application Field Plans

The LM4040CYM3-4.1-TR finds application in various electronic systems that require a precise and stable voltage reference. Some common application fields include:

1. Analog-to-Digital Converters (ADCs): The LM4040CYM3-4.1-TR can be used as a reference voltage for ADCs, ensuring accurate conversion of analog signals.
2. Voltage Regulators: It can serve as a stable reference voltage for voltage regulators, improving their overall performance and stability.
3. Sensor Calibration: The LM4040CYM3-4.1-TR is suitable for calibrating sensors that require a precise reference voltage.
4. Precision Instrumentation: It finds application in precision instruments such as multimeters, oscilloscopes, and data acquisition systems.

Detailed and Complete Alternative Models

1. LM4040AIM3-4.1/NOPB: This model offers similar specifications and features to the LM4040CYM3-4.1-TR but comes in an SOT-23 package.
2. LT1461ACS8-4.1#PBF: This alternative model provides a 4.1-volt output voltage with high accuracy and low temperature coefficient.
3. MAX6126AASA41+: The MAX6126AASA41+ is another precision voltage reference offering a 4.1-volt output with excellent long-term stability.

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

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