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LM399AH
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Reference
Characteristics: - High precision voltage reference - Low temperature coefficient - Low output noise - Wide operating temperature range - Long-term stability
Package: TO-46 metal can package
Essence: The LM399AH is a high-precision voltage reference IC used to provide a stable and accurate voltage reference in various electronic circuits.
Packaging/Quantity: The LM399AH is available in a TO-46 metal can package. It is typically sold in reels or tubes containing multiple units.
Specifications
The LM399AH has the following specifications:
- Output Voltage: 6.9V
- Initial Accuracy: ±0.01%
- Temperature Coefficient: 2ppm/°C
- Output Noise Voltage: 1.5µVrms
- Operating Temperature Range: -55°C to +125°C
- Long-Term Stability: 50ppm/year
Pin Configuration
The LM399AH has a 3-pin configuration as follows:
- Vout: Output voltage pin
- Vin: Input voltage pin
- GND: Ground pin
Functional Features
The LM399AH offers the following functional features:
- High precision voltage reference for precise voltage regulation
- Low temperature coefficient ensures minimal voltage drift with temperature changes
- Low output noise for clean and stable voltage reference signal
- Wide operating temperature range allows usage in extreme environments
- Long-term stability ensures consistent performance over extended periods
Advantages and Disadvantages
Advantages of using the LM399AH include: - High precision and accuracy - Low temperature coefficient - Low output noise - Wide operating temperature range - Long-term stability
Disadvantages of using the LM399AH include: - Limited output voltage options - Higher cost compared to standard voltage references
Working Principles
The LM399AH is based on the principle of bandgap voltage reference. It utilizes a combination of bipolar and CMOS technologies to achieve high precision and stability. The internal circuitry compensates for temperature variations, ensuring a consistent output voltage over a wide temperature range.
Detailed Application Field Plans
The LM399AH finds applications in various fields where precise voltage references are required. Some of the common application areas include:
- Precision analog-to-digital converters (ADCs)
- Voltage regulators and power management circuits
- Test and measurement equipment
- Data acquisition systems
- Industrial control systems
- Medical devices
- Aerospace and defense electronics
Detailed and Complete Alternative Models
Some alternative models to the LM399AH that offer similar functionality and performance include:
- LTZ1000: High precision voltage reference with ultra-low noise and excellent long-term stability.
- REF102: Precision voltage reference with low temperature coefficient and high accuracy.
- MAX619: Low-power, high-precision voltage reference with low dropout voltage.
- ADR4550: Ultralow noise, high precision voltage reference with low temperature drift.
These alternative models can be considered based on specific requirements and design constraints.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LM399AH en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of LM399AH in technical solutions:
Q: What is LM399AH? A: LM399AH is a precision voltage reference integrated circuit (IC) manufactured by Texas Instruments.
Q: What is the voltage output range of LM399AH? A: The voltage output range of LM399AH is typically between 6.9V and 7.1V.
Q: What is the purpose of using LM399AH in technical solutions? A: LM399AH is commonly used as a stable voltage reference in various applications, such as analog-to-digital converters, power supplies, and temperature sensors.
Q: How accurate is the voltage output of LM399AH? A: The voltage output of LM399AH is highly accurate, with a typical initial accuracy of ±0.01%.
Q: Can LM399AH operate over a wide temperature range? A: Yes, LM399AH is designed to operate over a wide temperature range, typically from -55°C to +125°C.
Q: Does LM399AH require external components for operation? A: Yes, LM399AH requires a few external components, such as capacitors and resistors, for proper operation and stability.
Q: Is LM399AH suitable for battery-powered applications? A: Yes, LM399AH has low power consumption and can be used in battery-powered applications where precise voltage references are required.
Q: Can LM399AH withstand high voltages? A: LM399AH has a maximum operating voltage of 40V, making it suitable for most low to medium voltage applications.
Q: Are there any specific precautions to consider when using LM399AH? A: It is important to follow the manufacturer's guidelines for proper handling, storage, and soldering of LM399AH to ensure optimal performance.
Q: Can LM399AH be used in high-precision measurement applications? A: Yes, LM399AH is well-suited for high-precision measurement applications due to its low temperature coefficient and excellent long-term stability.
Please note that these answers are general and may vary depending on specific application requirements and conditions.