LM4128DMFX-4.1/NOPB

Product Overview

Category

LM4128DMFX-4.1/NOPB belongs to the category of voltage references.

Use

This product is primarily used as a precision voltage reference in various electronic applications.

Characteristics

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

Package

LM4128DMFX-4.1/NOPB is available in a small SOT-23 package, which is suitable for space-constrained designs.

Essence

The essence of LM4128DMFX-4.1/NOPB lies in its ability to provide a precise and stable voltage reference, ensuring reliable performance in electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 4.1V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 80µA (typical)

Detailed Pin Configuration

LM4128DMFX-4.1/NOPB has three pins:

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

Functional Features

• Precise and stable output voltage.
• Low power consumption.
• Excellent line and load regulation.
• Fast start-up time.
• Thermal shutdown protection.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Low dropout voltage minimizes power dissipation.
• Wide operating temperature range allows for versatile applications.
• Small package size enables space-constrained designs.

Disadvantages

• Limited output voltage options.
• Relatively higher initial cost compared to standard voltage references.

Working Principles

LM4128DMFX-4.1/NOPB utilizes a bandgap reference circuit to generate a precise and stable output voltage. This circuit compensates for temperature variations, ensuring consistent performance across a wide temperature range. The device also incorporates low dropout voltage technology, minimizing power dissipation and maximizing efficiency.

Detailed Application Field Plans

LM4128DMFX-4.1/NOPB finds applications in various electronic systems that require accurate and stable voltage references. Some common application fields include:

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

1. LM4040AIM3-4.1/NOPB: 4.1V precision voltage reference with similar specifications and SOT-23 package.
2. LT1461AIS8-4.1/NOPB: 4.1V micropower precision shunt voltage reference with SOT-89 package.
3. REF3030AIDBZT: 4.096V precision voltage reference with SOT-23 package.

These alternative models offer similar functionality and can be considered as substitutes for LM4128DMFX-4.1/NOPB in specific applications.

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