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REF198FSZ
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Reference
- Characteristics: High precision, low dropout voltage, low temperature coefficient
- Package: TO-263-5 (D2PAK)
- Essence: Precision voltage reference with adjustable output
- Packaging/Quantity: Tape and Reel, 250 units per reel
Specifications
- Output Voltage Range: 1.24V to 10V
- Initial Accuracy: ±0.05%
- Temperature Coefficient: 50ppm/°C
- Dropout Voltage: 400mV (typical)
- Operating Temperature Range: -40°C to +125°C
- Input Voltage Range: 2.7V to 18V
- Quiescent Current: 1.5mA (typical)
Detailed Pin Configuration
The REF198FSZ has a total of five pins:
- VIN - Input voltage pin
- GND - Ground pin
- ADJ - Output voltage adjustment pin
- NC - No connection pin
- VOUT - Output voltage pin
Functional Features
- High precision voltage reference
- Adjustable output voltage
- Low dropout voltage for efficient operation
- Low temperature coefficient for stable performance
- Wide input voltage range for versatility
- Low quiescent current for power efficiency
Advantages and Disadvantages
Advantages
- High accuracy and stability
- Adjustable output allows flexibility in applications
- Low dropout voltage minimizes power dissipation
- Wide operating temperature range for various environments
- Suitable for both battery-powered and line-powered applications
Disadvantages
- Relatively high initial cost compared to basic voltage references
- Requires external components for adjustment and filtering
Working Principles
The REF198FSZ is based on a bandgap voltage reference circuit. It utilizes a combination of bipolar and CMOS technologies to achieve high precision and stability. The output voltage can be adjusted by connecting an external resistor between the ADJ pin and ground.
Detailed Application Field Plans
The REF198FSZ is commonly used in various applications that require precise and stable voltage references. Some typical application fields include:
- Precision analog-to-digital converters (ADCs)
- Digital-to-analog converters (DACs)
- Voltage regulators
- Power management systems
- Sensor calibration circuits
- Test and measurement equipment
- Industrial control systems
Detailed and Complete Alternative Models
- REF192FSZ: Similar specifications, but with a fixed output voltage of 2.048V
- REF195FSZ: Similar specifications, but with a fixed output voltage of 5V
- REF199FSZ: Similar specifications, but with a higher initial accuracy of ±0.02%
These alternative models provide options for different voltage requirements while maintaining similar performance characteristics.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng REF198FSZ trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of REF198FSZ in technical solutions:
Question: What is REF198FSZ?
Answer: REF198FSZ is a precision voltage reference IC (integrated circuit) that provides a stable and accurate voltage output.Question: What is the voltage range of REF198FSZ?
Answer: The voltage range of REF198FSZ is typically between 1.24V and 5V.Question: What is the purpose of using REF198FSZ in technical solutions?
Answer: REF198FSZ is commonly used as a voltage reference in various applications, such as analog-to-digital converters, power supplies, and sensor circuits, to ensure precise and stable voltage levels.Question: How accurate is REF198FSZ?
Answer: REF198FSZ has a high level of accuracy, typically with an initial accuracy of ±0.05% and a temperature coefficient of ±50ppm/°C.Question: Can REF198FSZ operate in harsh environments?
Answer: Yes, REF198FSZ is designed to operate in a wide temperature range, typically from -40°C to +125°C, making it suitable for various industrial and automotive applications.Question: Does REF198FSZ require external components for operation?
Answer: Yes, REF198FSZ requires external capacitors for stability and noise filtering. The datasheet provides recommended values and configurations.Question: Can REF198FSZ be used in battery-powered applications?
Answer: Yes, REF198FSZ has low quiescent current consumption, typically around 60µA, making it suitable for battery-powered devices where power efficiency is crucial.Question: Is REF198FSZ available in different package options?
Answer: Yes, REF198FSZ is available in various package options, including the small outline SOIC-8 and SOT-23-5 packages, providing flexibility for different PCB layouts.Question: Can REF198FSZ be used as a voltage regulator?
Answer: No, REF198FSZ is not designed to be used as a voltage regulator. Its primary function is to provide a stable reference voltage for other components or circuits.Question: Are there any application notes or reference designs available for REF198FSZ?
Answer: Yes, the manufacturer of REF198FSZ typically provides application notes and reference designs that can help users understand its usage and optimize its performance in specific applications.
Please note that these answers are general and may vary depending on the specific requirements and datasheet of REF198FSZ.