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REF198GS
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Reference
Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Low output noise - Wide operating temperature range
Package: TO-92 (Transistor Outline 92)
Essence: The REF198GS is a voltage reference IC that provides a stable and accurate voltage output.
Packaging/Quantity: The REF198GS is typically sold in reels or tubes containing a specific quantity of ICs, such as 1000 pieces per reel.
Specifications
- Output Voltage Range: 1.24V to 10V
- Initial Accuracy: ±0.5%
- Temperature Coefficient: 50ppm/°C
- Dropout Voltage: 300mV
- Output Noise: 30µVrms
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The REF198GS has three pins:
- VOUT: Output voltage pin
- VIN: Input voltage pin
- GND: Ground pin
Functional Features
- High precision voltage reference
- Stable output voltage over a wide temperature range
- Low dropout voltage allows for efficient operation
- Low output noise ensures clean and reliable performance
Advantages
- High accuracy and stability
- Low temperature coefficient ensures minimal voltage drift with temperature changes
- Low dropout voltage enables efficient power management
- Low output noise ensures reliable performance in sensitive applications
- Wide operating temperature range allows for use in various environments
Disadvantages
- Limited output voltage range (1.24V to 10V)
- Higher initial cost compared to some other voltage references
Working Principles
The REF198GS utilizes bandgap voltage reference technology to generate a stable and accurate output voltage. It compensates for temperature variations by employing a temperature-dependent voltage reference circuit. This ensures that the output voltage remains constant over a wide temperature range.
Detailed Application Field Plans
The REF198GS is commonly used in various electronic applications, including:
- Precision measurement instruments
- Data acquisition systems
- Industrial control systems
- Power management circuits
- Analog-to-digital converters (ADCs)
- Voltage regulators
Detailed and Complete Alternative Models
- REF192GS: Similar specifications and features, but with a different package (SOT-23)
- REF199GS: Higher output voltage range (1.24V to 15V) with similar characteristics
- REF196GS: Lower initial accuracy (±1%) but lower cost alternative
These alternative models provide flexibility in choosing the most suitable voltage reference for specific applications.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de REF198GS en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of REF198GS in technical solutions:
Q: What is REF198GS? A: REF198GS is a precision voltage reference IC (integrated circuit) commonly used in technical solutions.
Q: What is the voltage range of REF198GS? A: The voltage range of REF198GS is typically between 1.22V and 5V.
Q: How accurate is REF198GS? A: REF198GS has a high accuracy with a typical initial accuracy of ±0.05% and a maximum temperature drift of ±50ppm/°C.
Q: Can REF198GS be used in battery-powered applications? A: Yes, REF198GS can be used in battery-powered applications as it has low power consumption and operates over a wide supply voltage range.
Q: Is REF198GS suitable for temperature-sensitive applications? A: Yes, REF198GS is suitable for temperature-sensitive applications due to its low temperature coefficient and excellent stability over a wide temperature range.
Q: Can REF198GS be used in high-precision measurement systems? A: Absolutely, REF198GS is commonly used in high-precision measurement systems where accurate voltage references are required.
Q: Does REF198GS require external components for operation? A: Yes, REF198GS requires a few external passive components such as capacitors and resistors for proper operation.
Q: Can REF198GS operate in harsh environments? A: Yes, REF198GS is designed to operate in harsh environments and is capable of withstanding high temperatures and voltage fluctuations.
Q: What is the output current capability of REF198GS? A: REF198GS has a low output current capability, typically around 10mA. For higher current requirements, an external buffer amplifier may be needed.
Q: Are there any application notes or reference designs available for REF198GS? A: Yes, the manufacturer of REF198GS provides application notes and reference designs that can help users in implementing the IC effectively in their technical solutions.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.