LM4140ACMX-2.5/NOPB

Product Overview

Category

The LM4140ACMX-2.5/NOPB belongs to the category of voltage references.

Use

It is commonly used as a precision voltage reference in various electronic circuits.

Characteristics

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

Package

The LM4140ACMX-2.5/NOPB is available in a small SOT-23 package, which is suitable for surface mount applications.

Essence

The essence of LM4140ACMX-2.5/NOPB lies in its ability to provide a stable and accurate voltage reference, ensuring reliable performance in electronic systems.

Packaging/Quantity

The LM4140ACMX-2.5/NOPB is typically sold in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.7V to 10V

Detailed Pin Configuration

The LM4140ACMX-2.5/NOPB has three pins:

1. VOUT: Output pin, provides the stable 2.5V reference voltage.
2. GND: Ground pin, connected to the system ground.
3. VIN: Input pin, receives the supply voltage.

Functional Features

• High precision: The LM4140ACMX-2.5/NOPB offers excellent initial accuracy and low temperature coefficient, ensuring precise voltage reference.
• Low dropout voltage: With a low dropout voltage, it can operate efficiently even with a small input-output voltage difference.
• Wide operating temperature range: It can function reliably in extreme temperature conditions, making it suitable for various applications.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Low dropout voltage minimizes power dissipation.
• Small package size allows for space-saving designs.
• Wide operating temperature range enables usage in diverse environments.

Disadvantages

• Limited output voltage options (only 2.5V in this case).
• Requires an external power supply.

Working Principles

The LM4140ACMX-2.5/NOPB utilizes bandgap reference technology to generate a stable voltage reference. It compensates for temperature variations by using a combination of bipolar and CMOS transistor circuits. This ensures accurate and stable output voltage regardless of temperature changes.

Detailed Application Field Plans

The LM4140ACMX-2.5/NOPB finds applications in various fields, including:

1. Precision measurement instruments
2. Data acquisition systems
3. Industrial control systems
4. Portable electronic devices
5. Battery-powered equipment

Its high precision and stability make it suitable for any application that requires a reliable voltage reference.

Detailed and Complete Alternative Models

Some alternative models to the LM4140ACMX-2.5/NOPB include:

1. LM4040AIM3-2.5/NOPB
2. LT1021BCN8-2.5#PBF
3. REF5025AIDGKT
4. MAX6126AASA25+
5. ADR4550BRZ

These models offer similar functionality and characteristics, providing alternatives for different design requirements.

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