LM4050CIM3X-2.5

Product Overview

Category

The LM4050CIM3X-2.5 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 LM4050CIM3X-2.5 comes in a small SOT-23 package, which is suitable for surface mount applications.

Essence

This product serves as a reliable and precise voltage reference, ensuring accurate voltage levels in electronic systems.

Packaging/Quantity

The LM4050CIM3X-2.5 is typically packaged 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 +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)

Detailed Pin Configuration

The LM4050CIM3X-2.5 has three pins:

1. VOUT: Output pin, provides a 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 LM4050CIM3X-2.5 offers excellent initial accuracy and low temperature coefficient, ensuring precise voltage references.
• Low dropout voltage: With a low dropout voltage, this voltage reference can operate efficiently even when the input voltage is close to the output voltage.
• Wide operating temperature range: The LM4050CIM3X-2.5 can function reliably in a wide range of temperatures, making it suitable for various applications.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable voltage references.
• Low dropout voltage allows efficient operation.
• Wide operating temperature range enables versatile usage.

Disadvantages

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

Working Principles

The LM4050CIM3X-2.5 utilizes bandgap reference technology to generate a stable and accurate voltage reference. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This design ensures that the output voltage remains constant despite changes in temperature or supply voltage.

Detailed Application Field Plans

The LM4050CIM3X-2.5 finds applications in various electronic systems where precise voltage references are required. Some common application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Battery management systems
5. Precision instrumentation
6. Sensor calibration circuits

Detailed and Complete Alternative Models

1. LM4040CIM3X-2.5: Similar to LM4050CIM3X-2.5, but with improved initial accuracy (+/- 0.05%).
2. LT6654AIMS8-2.5: Offers a higher output voltage of 2.5V and lower temperature coefficient (10ppm/°C).
3. MAX6190AESA+: Provides a wider supply voltage range (1.8V to 12V) and lower quiescent current (10µA).

These alternative models offer similar functionality and can be considered based on specific requirements.

In conclusion, the LM4050CIM3X-2.5 is a precision voltage reference with high accuracy, stability, and a low dropout voltage. It finds applications in various electronic systems that require precise voltage references. Alternative models are available to suit different specifications and preferences within this product category.