LM4128AMFX-4.1/NOPB

Product Overview

Category

The LM4128AMFX-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: The LM4128AMFX-4.1/NOPB provides a highly accurate output voltage.
• Low temperature coefficient: It exhibits a low temperature coefficient, ensuring stable performance across different operating conditions.
• Low power consumption: This voltage reference consumes minimal power, making it suitable for battery-powered devices.
• Wide operating range: It operates within a wide voltage range, allowing flexibility in different applications.

Package

The LM4128AMFX-4.1/NOPB is available in a small surface-mount SOT-23 package, which is compact and easy to integrate into circuit designs.

Essence

The essence of the LM4128AMFX-4.1/NOPB lies in its ability to provide a precise and stable voltage reference, ensuring accurate operation of electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 4.1V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Supply Voltage Range: 2.7V to 12V
• Quiescent Current: 80µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM4128AMFX-4.1/NOPB has three pins:

1. VOUT: Output pin, providing the reference voltage of 4.1V.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, connected to the supply voltage.

Functional Features

• High precision: The LM4128AMFX-4.1/NOPB offers a highly accurate and stable output voltage, ensuring precise operation of electronic circuits.
• Low power consumption: It consumes minimal power, making it suitable for power-sensitive applications.
• Wide operating range: The voltage reference operates within a wide voltage range, allowing flexibility in various electronic systems.
• Low temperature coefficient: Its low temperature coefficient ensures consistent performance across different temperature conditions.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited output voltage options
• Relatively higher cost compared to some alternatives

Working Principles

The LM4128AMFX-4.1/NOPB is based on bandgap voltage reference technology. It utilizes a combination of bipolar and CMOS transistors to generate a precise reference voltage. The internal circuitry compensates for temperature variations, ensuring a stable output voltage over a wide temperature range.

Detailed Application Field Plans

The LM4128AMFX-4.1/NOPB finds application in various fields, including:

1. Precision measurement instruments: It provides a stable voltage reference for accurate measurements in devices such as multimeters and data loggers.
2. Industrial control systems: The LM4128AMFX-4.1/NOPB ensures precise voltage references in control systems used in manufacturing processes.
3. Communication equipment: It is utilized in communication devices to maintain accurate voltage levels for reliable signal processing.
4. Automotive electronics: This voltage reference is suitable for automotive applications, ensuring stable operation of electronic components.

Detailed and Complete Alternative Models

1. LM4040AIM3-4.1/NOPB: A similar voltage reference with a fixed output voltage of 4.1V, available in a SOT-23 package.
2. LT6656BHS6-4.096#PBF: A precision voltage reference with an output voltage of 4.096V, offered in a SOT-23 package.
3. MAX6126AASA41+: Another voltage reference with a fixed output voltage of 4.1V, provided in a small SOT-23 package.

These alternative models offer similar functionality and can be considered as substitutes for the LM4128AMFX-4.1/NOPB in various applications.

In conclusion, the LM4128AMFX-4.1/NOPB is a highly accurate and stable voltage reference suitable for a wide range of electronic applications. Its low power consumption, compact size, and precise output voltage make it an ideal choice for precision measurement instruments, industrial control systems, communication equipment, and automotive electronics. While it has limited output voltage options and a relatively higher cost compared to some alternatives, its performance and reliability justify its usage in demanding electronic circuits.