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REF1004I-1.2
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Reference
Characteristics: - Provides a stable and accurate voltage reference - Operates at a fixed output voltage of 1.2V - Suitable for various electronic applications requiring precise voltage references
Package: Small Outline Transistor (SOT-23)
Essence: REF1004I-1.2 is a voltage reference IC that generates a stable and reliable 1.2V output voltage.
Packaging/Quantity: The REF1004I-1.2 is available in a SOT-23 package, with each package containing one IC.
Specifications
- Output Voltage: 1.2V
- Temperature Coefficient: ±50 ppm/°C
- Supply Voltage Range: 2.7V to 5.5V
- Quiescent Current: 60 µA (typical)
- Line Regulation: 0.02% (typical)
- Load Regulation: 0.05% (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The REF1004I-1.2 IC has three pins:
- VOUT: Output pin, provides the stable 1.2V reference voltage.
- GND: Ground pin, connected to the common ground of the circuit.
- VIN: Input pin, receives the supply voltage for the IC.
Functional Features
- High accuracy and stability: The REF1004I-1.2 provides a precise and stable 1.2V output voltage, ensuring reliable performance in various applications.
- Low quiescent current: With a typical quiescent current of only 60 µA, the IC minimizes power consumption, making it suitable for battery-powered devices.
- Wide supply voltage range: The IC can operate within a supply voltage range of 2.7V to 5.5V, allowing flexibility in different electronic systems.
- Low temperature coefficient: The REF1004I-1.2 exhibits a low temperature coefficient of ±50 ppm/°C, ensuring minimal output voltage variation with temperature changes.
Advantages and Disadvantages
Advantages: - High accuracy and stability - Low quiescent current - Wide supply voltage range - Low temperature coefficient
Disadvantages: - Fixed output voltage may limit certain applications requiring different reference voltages
Working Principles
The REF1004I-1.2 utilizes bandgap voltage reference technology to generate a stable 1.2V output voltage. It employs a combination of resistors, diodes, and amplifiers to achieve accurate voltage regulation. The internal circuitry compensates for temperature variations, ensuring consistent performance over a wide temperature range.
Detailed Application Field Plans
The REF1004I-1.2 is widely used in various electronic applications that require a precise and stable 1.2V voltage reference. Some common application fields include:
- Analog-to-Digital Converters (ADCs)
- Digital-to-Analog Converters (DACs)
- Voltage regulators
- Battery management systems
- Precision instrumentation
- Sensor circuits
Detailed and Complete Alternative Models
- REF102AP: Provides a fixed 1.024V output voltage with similar specifications.
- REF103BP: Offers a fixed 2.048V output voltage with comparable characteristics.
- REF104CP: Generates a fixed 4.096V output voltage, suitable for specific applications.
These alternative models offer different fixed output voltages while maintaining similar features and performance to the REF1004I-1.2.
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10 domande e risposte comuni relative all'applicazione di REF1004I-1.2 nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of REF1004I-1.2 in technical solutions:
Q1: What is REF1004I-1.2? A1: REF1004I-1.2 is a voltage reference integrated circuit (IC) that provides a stable and accurate output voltage of 1.2 volts.
Q2: What is the typical application of REF1004I-1.2? A2: REF1004I-1.2 is commonly used as a precision voltage reference in various electronic systems, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and power management circuits.
Q3: What is the voltage accuracy of REF1004I-1.2? A3: REF1004I-1.2 has a typical voltage accuracy of ±0.2% over the specified temperature range.
Q4: What is the operating temperature range for REF1004I-1.2? A4: REF1004I-1.2 can operate within a temperature range of -40°C to +125°C.
Q5: How much current does REF1004I-1.2 consume? A5: REF1004I-1.2 has a low quiescent current consumption of typically 60 microamps.
Q6: Can REF1004I-1.2 be used in battery-powered applications? A6: Yes, REF1004I-1.2's low quiescent current makes it suitable for battery-powered applications where power efficiency is crucial.
Q7: Does REF1004I-1.2 require external components for operation? A7: Yes, REF1004I-1.2 requires an external bypass capacitor for stability and noise reduction. The datasheet provides guidelines for selecting the appropriate capacitor.
Q8: Can REF1004I-1.2 tolerate high input voltages? A8: Yes, REF1004I-1.2 can handle input voltages up to 16 volts without any damage.
Q9: Is REF1004I-1.2 available in different package options? A9: Yes, REF1004I-1.2 is available in various package options, such as SOT-23 and SOIC, providing flexibility for different PCB layouts.
Q10: Are there any application notes or reference designs available for REF1004I-1.2? A10: Yes, the manufacturer provides application notes and reference designs that offer guidance on using REF1004I-1.2 in specific circuit configurations and applications.
Please note that these answers are general and may vary depending on the specific requirements and datasheet of REF1004I-1.2.