LM4041AIM3-1.2

Product Overview

Category

The LM4041AIM3-1.2 belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low dropout voltage
• Wide operating range
• Small package size

Package

The LM4041AIM3-1.2 is available in a SOT-23 package.

Essence

This product serves as a stable voltage reference, providing a precise and constant voltage output.

Packaging/Quantity

The LM4041AIM3-1.2 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

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

Detailed Pin Configuration

The LM4041AIM3-1.2 has three pins:

1. VOUT: Output pin, provides a stable 1.2V reference voltage.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, receives the input voltage to regulate.

Functional Features

• Precise Voltage Reference: The LM4041AIM3-1.2 ensures a highly accurate and stable 1.2V output voltage.
• Low Dropout Voltage: With a low dropout voltage of only 60mV, it can operate efficiently even with low input voltages.
• Wide Operating Range: The LM4041AIM3-1.2 can function reliably over a wide temperature range of -40°C to +85°C.
• Low Quiescent Current: It consumes minimal current, making it suitable for low-power applications.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Small package size allows for space-saving designs.
• Low dropout voltage enables efficient operation.
• Wide operating range accommodates various environments.

Disadvantages

• Limited output voltage options (only 1.2V in this case).
• Requires an external input voltage source.

Working Principles

The LM4041AIM3-1.2 utilizes a bandgap reference circuit to generate a precise and stable 1.2V output voltage. It compares the reference voltage with the input voltage and adjusts the current flow accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The LM4041AIM3-1.2 finds applications in various fields, including:

1. Precision Instrumentation: It is used as a voltage reference in measurement devices, ensuring accurate readings.
2. Power Management: The LM4041AIM3-1.2 acts as a stable reference voltage for power management circuits, improving efficiency.
3. Sensor Calibration: It provides a reliable reference voltage for calibrating sensors, enhancing their accuracy.
4. Analog Circuitry: It serves as a stable reference for analog-to-digital converters, amplifiers, and other analog circuits.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM4041AIM3-1.2 include:

1. LM385: A family of precision voltage references available in various output voltages.
2. LT1021: High-precision shunt voltage reference with excellent temperature stability.
3. REF30xx: Series of low-dropout voltage references with different output voltage options.

These alternatives can be considered based on specific requirements and design constraints.

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