LM4041D12ILPR

Product 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-23-3

Essence: The LM4041D12ILPR is a precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic applications where a precise voltage reference is required.

Packaging/Quantity: The LM4041D12ILPR is available in a SOT-23-3 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

The LM4041D12ILPR has the following specifications:

• Output Voltage: 1.225V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 60µA
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4041D12ILPR has three pins arranged as follows:

```

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| | --| VOUT |-- --| |-- --| GND |-- |_______| ```

Pin Description: - VOUT: Output Voltage - GND: Ground

Functional Features

• Low Dropout Voltage: The LM4041D12ILPR has a low dropout voltage of only 200mV, allowing it to operate with a small input-output voltage differential.
• High Accuracy: With an initial accuracy of ±0.1%, the LM4041D12ILPR provides a highly precise output voltage.
• Low Temperature Coefficient: The temperature coefficient of 50ppm/°C ensures that the output voltage remains stable over a wide temperature range.
• Low Quiescent Current: The LM4041D12ILPR has a low quiescent current of only 60µA, making it suitable for battery-powered applications.
• Wide Operating Range: It can operate within a temperature range of -40°C to +85°C, making it suitable for various environmental conditions.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Low quiescent current - Wide operating temperature range

Disadvantages: - Limited output voltage options (only 1.225V)

Working Principles

The LM4041D12ILPR is based on bandgap reference technology. It utilizes a combination of bipolar and CMOS transistors to generate a precise and stable output voltage. The internal circuitry compensates for temperature variations, ensuring accurate performance over a wide temperature range.

Detailed Application Field Plans

The LM4041D12ILPR is commonly used in the following applications:

1. Precision Instrumentation: It is used as a voltage reference in precision measurement instruments such as multimeters, oscilloscopes, and data acquisition systems.
2. Analog-to-Digital Converters (ADCs): The LM4041D12ILPR provides a stable reference voltage for ADCs, ensuring accurate conversion of analog signals.
3. Voltage Regulators: It can be used as a reference voltage for voltage regulators, improving their accuracy and stability.
4. Battery-Powered Devices: Due to its low quiescent current and small package size, it is suitable for battery-powered devices such as portable audio players, handheld meters, and wireless sensors.

Detailed and Complete Alternative Models

Some alternative models to the LM4041D12ILPR are:

1. LM4040CIZ-2.5: This model provides a 2.5V output voltage with similar accuracy and characteristics.
2. LT1461ACS8-5: It offers a 5V output voltage and high accuracy for applications requiring a higher reference voltage.
3. ADR421ARZ-REEL7: This model provides a 1.25V output voltage and excellent temperature stability.

These alternative models offer different output voltages and may have slightly different specifications, allowing users to choose the most suitable option for their specific application.

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