LM4040D25IDCKRG4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Precision voltage reference - Low dropout voltage - High accuracy and stability - Wide operating temperature range - Small package size

Package: SOT-23-3

Essence: The LM4040D25IDCKRG4 is a precision voltage reference IC that provides a stable output voltage. It is commonly used in various electronic devices where accurate voltage references are required.

Packaging/Quantity: The LM4040D25IDCKRG4 is available in tape and reel packaging, with 3000 units per reel.

Specifications

Output Voltage: 2.5V
Initial Accuracy: ±0.1%
Temperature Coefficient: ±50ppm/°C
Dropout Voltage: 60mV (typical)
Operating Temperature Range: -40°C to +85°C
Input Voltage Range: 3V to 18V
Quiescent Current: 60µA (typical)

Pin Configuration

The LM4040D25IDCKRG4 has three pins arranged as follows:

```

| | --| VOUT |-- --| GND |-- --| VIN |-- |_______| ```

Pin Descriptions: - VOUT: Output Voltage - GND: Ground - VIN: Input Voltage

Functional Features

Precision Voltage Reference: The LM4040D25IDCKRG4 provides a highly accurate and stable output voltage of 2.5V, making it suitable for applications requiring precise voltage references.
Low Dropout Voltage: With a low dropout voltage of only 60mV, the LM4040D25IDCKRG4 can operate efficiently even when the input voltage is close to the output voltage.
Wide Operating Temperature Range: The IC can withstand a wide temperature range from -40°C to +85°C, making it suitable for use in various environmental conditions.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Small package size - Low dropout voltage - Wide operating temperature range

Disadvantages: - Limited output voltage options (only 2.5V)

Working Principles

The LM4040D25IDCKRG4 utilizes bandgap reference technology to generate a precise and stable output voltage. It compares the voltage across a temperature-stable resistor with a built-in reference voltage to produce the desired output voltage.

Detailed Application Field Plans

The LM4040D25IDCKRG4 finds applications in various fields, including:

Precision Instrumentation: It is used as a voltage reference in precision measurement instruments such as multimeters, oscilloscopes, and data loggers.
Analog-to-Digital Converters (ADCs): The IC provides a stable reference voltage for accurate conversion of analog signals into digital values.
Voltage Regulation: It is employed in voltage regulators to maintain a stable output voltage in power supplies and battery-powered devices.
Sensor Calibration: The LM4040D25IDCKRG4 is used to calibrate sensors that require a precise and stable reference voltage.

Detailed and Complete Alternative Models

LT1236: Precision Shunt Voltage Reference
MAX6190: Micropower Voltage Reference
REF102: Precision Voltage Reference
ADR421: Ultralow Noise Voltage Reference
LM336: Precision Voltage Reference

These alternative models offer similar functionality and characteristics to the LM4040D25IDCKRG4 and can be considered as alternatives based on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4040D25IDCKRG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LM4040D25IDCKRG4 in technical solutions:

Q: What is LM4040D25IDCKRG4? A: LM4040D25IDCKRG4 is a precision voltage reference IC that provides a stable and accurate voltage output.
Q: What is the voltage output range of LM4040D25IDCKRG4? A: The voltage output range of LM4040D25IDCKRG4 is 2.5V with a tolerance of ±0.1%.
Q: What are the typical applications of LM4040D25IDCKRG4? A: LM4040D25IDCKRG4 is commonly used as a voltage reference in various applications such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), power supplies, and sensor interfaces.
Q: How does LM4040D25IDCKRG4 achieve its high accuracy? A: LM4040D25IDCKRG4 achieves high accuracy through its inherent bandgap voltage reference design and advanced manufacturing processes.
Q: Can LM4040D25IDCKRG4 operate over a wide temperature range? A: Yes, LM4040D25IDCKRG4 is designed to operate over a wide temperature range, typically from -40°C to +85°C.
Q: Is LM4040D25IDCKRG4 suitable for battery-powered applications? A: Yes, LM4040D25IDCKRG4 is suitable for battery-powered applications as it has low quiescent current consumption and operates at low voltages.
Q: Does LM4040D25IDCKRG4 require any external components for operation? A: No, LM4040D25IDCKRG4 is a standalone voltage reference and does not require any external components for operation.
Q: Can I use LM4040D25IDCKRG4 in both single-supply and dual-supply applications? A: Yes, LM4040D25IDCKRG4 can be used in both single-supply and dual-supply applications as it has a wide operating voltage range.
Q: What is the output current capability of LM4040D25IDCKRG4? A: The output current capability of LM4040D25IDCKRG4 is typically 15mA.
Q: Is LM4040D25IDCKRG4 available in different package options? A: Yes, LM4040D25IDCKRG4 is available in various package options such as SOT-23, SC-70, and DSBGA, providing flexibility for different PCB layouts and space constraints.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.