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LM4040A50IDCKR
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Reference
- Characteristics: Precision, Low Dropout, Low Noise
- Package: SC-70 (SOT-323), Tape and Reel
- Essence: LM4040A50IDCKR is a precision voltage reference IC that provides a stable and accurate output voltage of 5.0V.
- Packaging/Quantity: The LM4040A50IDCKR is available in tape and reel packaging with 3000 units per reel.
Specifications
- Output Voltage: 5.0V
- Initial Accuracy: ±0.1%
- Temperature Coefficient: 100 ppm/°C
- Operating Temperature Range: -40°C to +85°C
- Quiescent Current: 60 µA
- Dropout Voltage: 200 mV
- Noise Voltage: 35 µVrms
Pin Configuration
The LM4040A50IDCKR has three pins:
- VOUT: Output Voltage Pin
- GND: Ground Pin
- VIN: Input Voltage Pin
Functional Features
- High precision and accuracy: The LM4040A50IDCKR offers an initial accuracy of ±0.1%, ensuring a stable and reliable output voltage.
- Low dropout voltage: With a dropout voltage of only 200 mV, the LM4040A50IDCKR can operate efficiently even when the input voltage is close to the desired output voltage.
- Low noise: The low noise voltage of 35 µVrms ensures minimal interference and distortion in sensitive applications.
- Wide operating temperature range: The LM4040A50IDCKR can operate reliably in a temperature range of -40°C to +85°C, making it suitable for various environments.
Advantages and Disadvantages
Advantages
- High precision and accuracy
- Low dropout voltage
- Low noise
- Wide operating temperature range
Disadvantages
- Limited output voltage options (only 5.0V)
Working Principles
The LM4040A50IDCKR utilizes a bandgap reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This ensures that the output voltage remains constant over a wide temperature range.
Detailed Application Field Plans
The LM4040A50IDCKR is commonly used in applications that require a precise and stable voltage reference. Some of its typical application fields include:
- Analog-to-Digital Converters (ADCs)
- Digital-to-Analog Converters (DACs)
- Voltage regulators
- Precision measurement equipment
- Sensor calibration
- Battery-powered devices
Detailed and Complete Alternative Models
- LM4040A10IDCKR: 10V output voltage
- LM4040A20IDCKR: 2.0V output voltage
- LM4040A30IDCKR: 3.0V output voltage
- LM4040A40IDCKR: 4.0V output voltage
These alternative models provide different output voltage options to suit specific application requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LM4040A50IDCKR en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of LM4040A50IDCKR in technical solutions:
Q: What is LM4040A50IDCKR? A: LM4040A50IDCKR is a precision voltage reference IC that provides a stable and accurate output voltage of 5.0V.
Q: What is the typical application of LM4040A50IDCKR? A: LM4040A50IDCKR is commonly used as a voltage reference in various electronic circuits, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and voltage regulators.
Q: What is the voltage accuracy of LM4040A50IDCKR? A: The voltage accuracy of LM4040A50IDCKR is typically ±0.1% at room temperature.
Q: What is the operating temperature range of LM4040A50IDCKR? A: LM4040A50IDCKR can operate within a temperature range of -40°C to +85°C.
Q: Can LM4040A50IDCKR be used in battery-powered applications? A: Yes, LM4040A50IDCKR is suitable for battery-powered applications as it has low quiescent current consumption.
Q: How much current can LM4040A50IDCKR source or sink? A: LM4040A50IDCKR can source or sink up to 15mA of current.
Q: Is LM4040A50IDCKR available in different package options? A: Yes, LM4040A50IDCKR is available in a small SOT-23 package, which is compact and suitable for space-constrained designs.
Q: Can LM4040A50IDCKR be used in automotive applications? A: Yes, LM4040A50IDCKR is qualified for automotive applications and meets the necessary standards.
Q: Does LM4040A50IDCKR require any external components for operation? A: No, LM4040A50IDCKR does not require any external components as it is a standalone voltage reference.
Q: What is the long-term stability of LM4040A50IDCKR? A: LM4040A50IDCKR has excellent long-term stability, typically maintaining its accuracy over time.
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.