LM4128AMFX-3.0

Product Overview

Category

The LM4128AMFX-3.0 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 output noise
• Wide operating temperature range

Package

The LM4128AMFX-3.0 comes in a small SOT-23 package, which is suitable for surface mount applications.

Essence

This voltage reference is designed to provide a stable and precise voltage output for use in analog and digital circuits.

Packaging/Quantity

The LM4128AMFX-3.0 is typically packaged in reels or tubes and is available in large quantities for industrial production.

Specifications

• Output Voltage: 3.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Supply Voltage Range: 2.7V to 12V
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM4128AMFX-3.0 has three pins:

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

Functional Features

• High precision voltage reference
• Low power consumption
• Excellent line and load regulation
• Thermal shutdown protection
• Short-circuit current limiting

Advantages

• High accuracy and stability ensure reliable performance in critical applications.
• Low temperature coefficient minimizes voltage drift over a wide temperature range.
• Low output noise ensures clean and accurate voltage reference signals.
• Small package size allows for space-saving designs.

Disadvantages

• Limited output voltage options (only 3.0V in this case).
• Higher cost compared to some other voltage reference options.
• Sensitive to external noise and interference.

Working Principles

The LM4128AMFX-3.0 utilizes a bandgap voltage reference circuit to generate a stable and precise output voltage. It compensates for temperature variations and provides a constant voltage reference regardless of changes in supply voltage or load conditions.

Detailed Application Field Plans

The LM4128AMFX-3.0 is widely used in various applications, including:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Battery-powered devices
5. Sensor interfaces
6. Test and measurement equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM4128AMFX-3.0 are:

1. LT6654: Precision voltage reference with similar specifications and package options.
2. MAX619: Low-power voltage reference with adjustable output voltage.
3. REF102: High-precision voltage reference with low temperature coefficient.

These alternative models offer different features and specifications, allowing designers to choose the most suitable option for their specific application requirements.

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