LM4040D20IDCKRG4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision voltage reference - Low temperature coefficient - Low dropout voltage - Wide operating range - Small package size

Package: SOT-23 (Small Outline Transistor 23)

Essence: The LM4040D20IDCKRG4 is a precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The LM4040D20IDCKRG4 is available in a reel packaging with 3000 units per reel.

Specifications

• Output Voltage: 2.048V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA

Detailed Pin Configuration

The LM4040D20IDCKRG4 has three pins:

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

Functional Features

• High Precision: The LM4040D20IDCKRG4 offers a high initial accuracy of ±0.1%, ensuring precise voltage references in various applications.
• Low Temperature Coefficient: With a temperature coefficient of 50ppm/°C, the LM4040D20IDCKRG4 maintains stability over a wide temperature range.
• Low Dropout Voltage: The low dropout voltage of 60mV minimizes power dissipation and allows for efficient operation.
• Wide Operating Range: The LM4040D20IDCKRG4 can operate within a wide supply voltage range of 2.7V to 10V, making it suitable for various electronic systems.
• Small Package Size: The SOT-23 package offers a compact form factor, enabling space-saving designs.

Advantages and Disadvantages

Advantages: - High precision and stability - Low temperature coefficient - Low dropout voltage - Wide operating range - Compact package size

Disadvantages: - Limited output voltage options (only 2.048V)

Working Principles

The LM4040D20IDCKRG4 utilizes bandgap reference technology to generate a stable and accurate output voltage. It employs a combination of resistors, diodes, and amplifiers to maintain a constant voltage regardless of changes in temperature or supply voltage.

Detailed Application Field Plans

The LM4040D20IDCKRG4 finds applications in various fields, including:

1. Precision Instrumentation: It is used as a voltage reference in precision measurement equipment, such as multimeters and oscilloscopes.
2. Analog-to-Digital Converters (ADCs): The LM4040D20IDCKRG4 provides a stable reference voltage for ADCs, ensuring accurate conversion of analog signals.
3. Power Management Systems: It is employed in power management circuits to regulate voltages and ensure stable operation of electronic devices.
4. Sensor Calibration: The LM4040D20IDCKRG4 is utilized in sensor calibration circuits to provide a precise reference voltage for accurate sensor readings.

Detailed and Complete Alternative Models

1. LM4040AIM3-2.5/NOPB: Output Voltage - 2.5V, SOT-23 package.
2. LT1461AIS8-2.5#PBF: Output Voltage - 2.5V, SOIC-8 package.
3. MAX6126AASA25+: Output Voltage - 2.5V, SOT-23 package.

These alternative models offer similar functionality and can be used as substitutes for the LM4040D20IDCKRG4 in various applications.

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