LM4041DYM3-1.2-TR

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-23-3

Essence: The LM4041DYM3-1.2-TR is a precision voltage reference IC that provides a stable and accurate output voltage of 1.2V.

Packaging/Quantity: The LM4041DYM3-1.2-TR 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 +85°C

Pin Configuration

The LM4041DYM3-1.2-TR has three pins arranged as follows:

```

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| | --| V+ |-- --| |-- |____| ```

Pin 1: V+ (Input Voltage) Pin 2: GND (Ground) Pin 3: VOUT (Output Voltage)

Functional Features

• Precision voltage reference with low dropout voltage
• High initial accuracy and low temperature coefficient ensure stable and accurate output voltage
• Low quiescent current for reduced power consumption
• Small package size allows for space-saving designs

Advantages

• Provides a stable and accurate 1.2V output voltage
• Low dropout voltage minimizes power loss
• High initial accuracy ensures precise voltage reference
• Low temperature coefficient maintains stability over a wide temperature range
• Small package size allows for compact circuit designs

Disadvantages

• Limited output voltage options (only 1.2V)
• Not suitable for applications requiring higher output voltages

Working Principles

The LM4041DYM3-1.2-TR is based on a bandgap reference circuit that generates a stable voltage reference. It utilizes a precision voltage divider and an error amplifier to regulate the output voltage at 1.2V. The low dropout voltage ensures efficient operation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The LM4041DYM3-1.2-TR is commonly used in various electronic systems and applications, including:

1. Battery-powered devices: Provides a stable voltage reference for battery monitoring circuits.
2. Analog-to-digital converters (ADCs): Ensures accurate voltage references for precise analog measurements.
3. Voltage regulators: Used as a reference voltage for regulating other voltages in power supply circuits.
4. Sensor interfaces: Provides a stable reference voltage for sensor calibration and signal conditioning circuits.
5. Portable audio devices: Used in audio amplifiers and DACs to maintain accurate voltage levels.

Detailed and Complete Alternative Models

1. LM4040CIM3-1.2/NOPB
2. LT1004CZ-1.2
3. MAX6126AASA25+
4. REF102CU
5. TS431IZT

These alternative models offer similar functionality and performance to the LM4041DYM3-1.2-TR and can be considered as substitutes depending on specific application requirements.

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