LM4041A12IDBZRG4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low dropout voltage - High accuracy - Low temperature coefficient - Small package size - Low power consumption

Package: SOT-23 (Small Outline Transistor 23)

Essence: The LM4041A12IDBZRG4 is a precision voltage reference IC that provides a stable and accurate output voltage of 1.2V.

Packaging/Quantity: The LM4041A12IDBZRG4 is available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM4041A12IDBZRG4 has three pins:

1. VOUT: Output pin, which provides a stable 1.2V reference voltage.
2. GND: Ground pin, connected to the system ground.
3. VIN: Input pin, which requires an input voltage between 2.7V and 10V.

Functional Features

• High accuracy: The LM4041A12IDBZRG4 offers a precise output voltage with an initial accuracy of ±0.1%.
• Low temperature coefficient: It has a low temperature coefficient of 50ppm/°C, ensuring stability over a wide temperature range.
• Low dropout voltage: With a dropout voltage of only 60mV, it can operate efficiently even with low input voltages.
• Small package size: The SOT-23 package is compact, making it suitable for space-constrained applications.
• Low power consumption: The quiescent current of 60µA minimizes power consumption, making it ideal for battery-powered devices.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Small package size - Low power consumption

Disadvantages: - Limited output voltage options (only 1.2V in this model) - Requires an input voltage between 2.7V and 10V

Working Principles

The LM4041A12IDBZRG4 utilizes a bandgap reference circuit to generate a stable 1.2V 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 design ensures accurate and stable voltage output over a wide temperature range.

Detailed Application Field Plans

The LM4041A12IDBZRG4 is commonly used in various electronic systems that require a precise and stable voltage reference. Some typical application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Battery management systems
5. Precision instrumentation
6. Sensor calibration circuits

Detailed and Complete Alternative Models

1. LM4040AIZ-1.2: Provides a 1.2V output voltage with similar characteristics and package options.
2. LT1004CZ-1.2: Offers a 1.2V output voltage with higher accuracy and lower temperature coefficient.
3. MAX6126AASA25: Provides a 2.5V output voltage with excellent accuracy and low noise performance.

These alternative models offer different specifications and features, allowing users to choose the most suitable voltage reference IC for their specific application requirements.

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