LM4128DMFX-1.8

Product Overview

Category

LM4128DMFX-1.8 belongs to the category of voltage references.

Use

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

Characteristics

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

Package

LM4128DMFX-1.8 is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of LM4128DMFX-1.8 lies in its ability to provide a stable and accurate voltage reference, ensuring reliable performance of electronic systems.

Packaging/Quantity

The LM4128DMFX-1.8 is typically packaged in reels containing 3000 units.

Specifications

• Output Voltage: 1.8V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM4128DMFX-1.8 has three pins:

1. VOUT: Output voltage pin.
2. GND: Ground reference pin.
3. VIN: Input voltage pin.

Functional Features

• High precision: The LM4128DMFX-1.8 provides a highly accurate output voltage, ensuring precise operation of electronic circuits.
• Low power consumption: With a low quiescent current, it minimizes power consumption, making it suitable for battery-powered devices.
• Temperature stability: The low temperature coefficient ensures that the output voltage remains stable across a wide temperature range.
• Low dropout voltage: The low dropout voltage allows the LM4128DMFX-1.8 to operate with a small input-output voltage differential.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low power consumption
• Wide operating temperature range
• Small package size

Disadvantages

• Limited output voltage options
• Not suitable for high current applications

Working Principles

LM4128DMFX-1.8 utilizes bandgap reference technology to generate a stable voltage reference. It employs a combination of temperature-compensated diodes and amplifiers to achieve accurate and stable output voltage.

Detailed Application Field Plans

The LM4128DMFX-1.8 finds application in various electronic systems, including but not limited to: - Precision analog-to-digital converters (ADCs) - Voltage regulators - Data acquisition systems - Portable devices - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LM4128DMFX-1.8 are: - LM4040 - LT6654 - REF5025 - MAX6190

These models offer similar functionality and performance characteristics, providing flexibility in choosing the most suitable voltage reference for specific applications.

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