LM4041CECT-1.2

Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low dropout voltage - High accuracy - Low temperature coefficient - Low quiescent current - Wide operating range

Package: SOT-23

Essence: The LM4041CECT-1.2 is a precision voltage reference IC that provides a stable and accurate output voltage of 1.2V.

Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

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

Pin Configuration

The LM4041CECT-1.2 has three pins:

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

Functional Features

• High accuracy: The LM4041CECT-1.2 provides a precise output voltage of 1.2V with an initial accuracy of ±0.5%.
• Low temperature coefficient: It exhibits 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.
• Low quiescent current: The quiescent current of 60µA minimizes power consumption.
• Wide operating range: It can operate within a wide temperature range of -40°C to +85°C.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low power consumption - Wide operating temperature range - Small package size

Disadvantages: - Limited output voltage options - Sensitive to input voltage fluctuations

Working Principles

The LM4041CECT-1.2 is based on a bandgap reference circuit that generates a stable voltage reference using a combination of bipolar and CMOS technologies. It utilizes a precision temperature-compensated bandgap core to provide a highly accurate 1.2V output voltage. The internal circuitry ensures low dropout voltage and low quiescent current, making it suitable for various applications.

Detailed Application Field Plans

The LM4041CECT-1.2 is commonly used in the following applications:

1. Precision analog circuits: It serves as a stable voltage reference for ADCs, DACs, and other precision analog components.
2. Battery-powered devices: Due to its low quiescent current and low dropout voltage, it is ideal for battery-powered applications such as portable instruments and wireless devices.
3. Industrial control systems: It finds application in industrial control systems where precise voltage references are required for accurate measurements and control.
4. Automotive electronics: The LM4041CECT-1.2 can be used in automotive electronics for voltage regulation and calibration purposes.

Detailed and Complete Alternative Models

1. LM4040CEM3-1.2/NOPB: This model offers similar specifications and features but comes in a different package (SOT-23-3).
2. LT1004CZ-1.2: Another alternative with comparable characteristics, including low dropout voltage and high accuracy.

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

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