LM4041C12IDBZRG4

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 LM4041C12IDBZRG4 is a precision voltage reference IC that provides a stable and accurate output voltage of 1.2V.

Packaging/Quantity: The LM4041C12IDBZRG4 is available in tape and reel packaging, with 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

Pin Configuration

The LM4041C12IDBZRG4 has three pins:

1. VOUT: Output pin, connected to the load.
2. GND: Ground pin, connected to the circuit ground.
3. VIN: Input pin, connected to the input voltage source.

Functional Features

• High accuracy: The LM4041C12IDBZRG4 provides a precise output voltage of 1.2V 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 when the input voltage is close to the desired output voltage.
• Small package size: The SOT-23 package allows for compact and space-saving designs.
• Low power consumption: The quiescent current of 60µA minimizes power consumption, making it suitable for battery-powered applications.

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 case) - Not suitable for high voltage applications

Working Principles

The LM4041C12IDBZRG4 is based on a bandgap reference circuit that generates a stable voltage reference using temperature-compensated components. It utilizes a precision resistor network and a temperature sensor to achieve accurate and stable output voltage.

Detailed Application Field Plans

The LM4041C12IDBZRG4 is commonly used in various electronic systems and applications, including:

1. Voltage regulators: It can be used as a precise voltage reference for linear regulators, ensuring stable and accurate output voltages.
2. Analog-to-digital converters (ADCs): It provides a reliable reference voltage for ADCs, improving the accuracy of analog-to-digital conversion.
3. Sensor calibration: The LM4041C12IDBZRG4 is suitable for calibrating sensors that require a precise and stable reference voltage.
4. Battery-powered devices: Its low power consumption makes it ideal for portable and battery-operated devices where power efficiency is crucial.

Detailed and Complete Alternative Models

1. LM4040CIZ-1.2: This is another 1.2V precision voltage reference IC from Texas Instruments, offering similar characteristics and performance.
2. LT1004CZ-1.2: A 1.2V precision shunt voltage reference IC manufactured by Linear Technology, providing comparable accuracy and stability.

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

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