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LM4040C25IDCKTE4
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: SC-70 (SOT-323)
Essence: The LM4040C25IDCKTE4 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 reference voltage is required.
Packaging/Quantity: The LM4040C25IDCKTE4 is available in tape and reel packaging, with 3000 units per reel.
Specifications
- Output Voltage: 2.5V
- Initial Accuracy: ±0.1%
- Temperature Coefficient: ±50 ppm/°C
- Dropout Voltage: 60mV (typical)
- Operating Temperature Range: -40°C to +85°C
- Supply Voltage Range: 2.7V to 10V
- Quiescent Current: 60µA (typical)
Detailed Pin Configuration
The LM4040C25IDCKTE4 has three pins:
- VOUT: Output pin, provides the stable reference voltage of 2.5V.
- GND: Ground pin, connected to the circuit ground.
- VIN: Input pin, receives the supply voltage.
Functional Features
- High Precision: The LM4040C25IDCKTE4 offers a high initial accuracy of ±0.1%, ensuring precise voltage references in various applications.
- Low Dropout Voltage: With a low dropout voltage of 60mV, the IC can operate efficiently even when the input voltage is close to the output voltage.
- Temperature Stability: The temperature coefficient of ±50 ppm/°C ensures that the output voltage remains stable over a wide temperature range.
- Low Quiescent Current: The IC consumes only 60µA of quiescent current, making it suitable for low-power applications.
Advantages and Disadvantages
Advantages: - High accuracy and stability - Wide operating temperature range - Small package size - Low dropout voltage - Low quiescent current
Disadvantages: - Limited output voltage options (only 2.5V)
Working Principles
The LM4040C25IDCKTE4 utilizes bandgap reference technology to generate a precise and stable output voltage. It compares the voltage across a temperature-stable resistor with a fraction of the supply voltage to produce a highly accurate reference voltage.
Detailed Application Field Plans
The LM4040C25IDCKTE4 is widely used in various electronic systems and applications, including:
- Analog-to-Digital Converters (ADCs)
- Digital-to-Analog Converters (DACs)
- Voltage regulators
- Precision measurement equipment
- Sensor calibration circuits
- Battery-powered devices
- Industrial control systems
Detailed and Complete Alternative Models
- LM4040AIM3-2.5/NOPB: 2.5V precision voltage reference in SOT-23 package.
- LT1461AIS8-2.5#PBF: 2.5V micropower precision shunt voltage reference in SOIC-8 package.
- MAX6126AASA25+: 2.5V ultra-low-noise precision voltage reference in SOIC-8 package.
These alternative models offer similar functionality and performance to the LM4040C25IDCKTE4 and can be considered as substitutes based on specific application requirements.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LM4040C25IDCKTE4 trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of LM4040C25IDCKTE4 in technical solutions:
Q: What is LM4040C25IDCKTE4? A: LM4040C25IDCKTE4 is a precision voltage reference IC manufactured by Texas Instruments.
Q: What is the voltage output range of LM4040C25IDCKTE4? A: The voltage output range of LM4040C25IDCKTE4 is 2.5V with a ±0.1% accuracy.
Q: What is the typical operating current of LM4040C25IDCKTE4? A: The typical operating current of LM4040C25IDCKTE4 is 60µA.
Q: Can LM4040C25IDCKTE4 be used as a stable voltage reference for analog-to-digital converters (ADCs)? A: Yes, LM4040C25IDCKTE4 can be used as a stable voltage reference for ADCs due to its low temperature coefficient and high accuracy.
Q: Is LM4040C25IDCKTE4 suitable for battery-powered applications? A: Yes, LM4040C25IDCKTE4 is suitable for battery-powered applications due to its low quiescent current and wide operating voltage range.
Q: Can LM4040C25IDCKTE4 be used in temperature-sensitive applications? A: Yes, LM4040C25IDCKTE4 has a low temperature coefficient, making it suitable for temperature-sensitive applications.
Q: Does LM4040C25IDCKTE4 require an external capacitor for stability? A: No, LM4040C25IDCKTE4 does not require an external capacitor for stability. It is internally compensated.
Q: What is the package type of LM4040C25IDCKTE4? A: LM4040C25IDCKTE4 is available in a SOT-23-3 package.
Q: Can LM4040C25IDCKTE4 operate over a wide temperature range? A: Yes, LM4040C25IDCKTE4 can operate over a temperature range of -40°C to +85°C.
Q: Is LM4040C25IDCKTE4 RoHS compliant? A: Yes, LM4040C25IDCKTE4 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.
Please note that these answers are general and may vary depending on specific application requirements.