LM4040BIZ-5.0

Product Overview

Category

LM4040BIZ-5.0 belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator for various electronic applications.

Characteristics

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

Package

LM4040BIZ-5.0 is available in a small SOT-23 package, which makes it suitable for space-constrained designs.

Essence

The essence of LM4040BIZ-5.0 lies in its ability to provide a stable and accurate voltage reference, ensuring reliable performance in electronic circuits.

Packaging/Quantity

This product is typically sold in reels or tubes, with each reel/tube containing a specific quantity of LM4040BIZ-5.0 voltage references.

Specifications

LM4040BIZ-5.0 has the following specifications:

• Output Voltage: 5.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV (typical)
• Operating Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

LM4040BIZ-5.0 has three pins:

1. VOUT: Output pin, provides a stable 5.0V reference voltage.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, connected to the power supply voltage.

Functional Features

LM4040BIZ-5.0 offers the following functional features:

• Precise voltage reference: Provides a stable and accurate 5.0V output voltage.
• Low dropout voltage: Works efficiently even with low input-output voltage differentials.
• Low temperature coefficient: Ensures minimal output voltage variation with temperature changes.
• Wide operating range: Can operate within a wide range of input voltages and temperatures.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance in electronic circuits.
• Small package size allows for space-saving designs.
• Low dropout voltage enables efficient operation in low voltage applications.

Disadvantages

• Limited output voltage options, only providing a fixed 5.0V reference.
• Relatively higher initial cost compared to some other voltage references.

Working Principles

LM4040BIZ-5.0 operates based on the principle of a precision shunt regulator. It uses a bandgap reference circuit to generate a stable 5.0V output voltage. The internal circuitry compensates for temperature variations, ensuring accurate voltage regulation across a wide temperature range.

Detailed Application Field Plans

LM4040BIZ-5.0 finds applications in various electronic systems, including but not limited to:

1. Precision analog-to-digital converters (ADCs)
2. Voltage regulators
3. Data acquisition systems
4. Battery-powered devices
5. Industrial control systems

Its high accuracy, stability, and low temperature coefficient make it suitable for applications that require precise voltage references.

Detailed and Complete Alternative Models

Some alternative models to LM4040BIZ-5.0 include:

1. LM4041: Offers adjustable output voltage options.
2. LT1021: Provides higher accuracy and lower temperature coefficient.
3. REF02: Suitable for high-precision applications with low noise requirements.

These alternatives offer different features and specifications, allowing designers to choose the most appropriate voltage reference for their specific application needs.

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