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INA326EA/2K5
Product Overview
- Category: Integrated Circuit (IC)
- Use: Amplifier
- Characteristics: High precision, low noise, low power consumption
- Package: SOIC (Small Outline Integrated Circuit)
- Essence: Instrumentation amplifier
- Packaging/Quantity: Tape and reel, 2500 units per reel
Specifications
- Supply Voltage: ±2.25V to ±18V
- Input Offset Voltage: ±150µV (maximum)
- Input Bias Current: ±50nA (maximum)
- Gain Bandwidth Product: 200kHz (typical)
- Input Common Mode Voltage Range: -Vs + 1.8V to +Vs - 1.8V
- Operating Temperature Range: -40°C to +125°C
Pin Configuration
The INA326EA/2K5 has a total of 8 pins:
- V+
- V-
- REF
- RG
- OUT
- IN-
- IN+
- NC
Functional Features
- High common-mode rejection ratio (CMRR)
- Low input offset voltage and bias current
- Wide input common-mode voltage range
- Rail-to-rail output swing capability
- Low quiescent current
Advantages and Disadvantages
Advantages: - High precision amplification - Low noise performance - Suitable for low-power applications - Wide operating temperature range
Disadvantages: - Limited gain bandwidth product compared to some other amplifiers - Requires external resistors for gain setting
Working Principles
The INA326EA/2K5 is an instrumentation amplifier designed to amplify small differential signals while rejecting common-mode noise. It consists of three operational amplifiers and provides high gain accuracy and stability. The input signals are amplified differentially, and the common-mode noise is suppressed through internal circuitry.
Detailed Application Field Plans
The INA326EA/2K5 is commonly used in various applications, including:
- Medical devices: ECG (Electrocardiogram), EEG (Electroencephalogram), and EMG (Electromyography) amplification
- Industrial automation: Signal conditioning for sensors and transducers
- Test and measurement equipment: Precision signal amplification
- Audio equipment: Microphone preamplifiers
- Communication systems: Line drivers and receivers
Detailed and Complete Alternative Models
- INA333: Low-power, precision instrumentation amplifier
- AD8221: Precision, low power FET input instrumentation amplifier
- MCP6N11: Zero-drift instrumentation amplifier with low offset voltage
These alternative models offer similar functionality and can be considered as alternatives to the INA326EA/2K5 depending on specific requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de INA326EA/2K5 en soluciones técnicas
What is the typical application of INA326EA/2K5?
- The INA326EA/2K5 is commonly used in precision instrumentation, data acquisition systems, and industrial process control applications.What is the input voltage range of INA326EA/2K5?
- The input voltage range of INA326EA/2K5 is typically ±Vs/2, where Vs is the supply voltage.Can INA326EA/2K5 be used in single-supply applications?
- Yes, INA326EA/2K5 can be used in single-supply applications with proper biasing and voltage levels.What is the gain bandwidth product of INA326EA/2K5?
- The gain bandwidth product of INA326EA/2K5 is typically 10 MHz.Is INA326EA/2K5 suitable for low-noise applications?
- Yes, INA326EA/2K5 is designed for low-noise applications, making it suitable for sensitive measurement systems.What is the common-mode rejection ratio (CMRR) of INA326EA/2K5?
- The CMRR of INA326EA/2K5 is typically 100 dB.Can INA326EA/2K5 operate at high temperatures?
- Yes, INA326EA/2K5 is designed to operate at extended temperature ranges, making it suitable for harsh environments.What is the power supply voltage range for INA326EA/2K5?
- The power supply voltage range for INA326EA/2K5 is typically ±2.25V to ±18V.Does INA326EA/2K5 require external compensation?
- No, INA326EA/2K5 has internal compensation, simplifying the design process.Can INA326EA/2K5 be used in bridge sensor applications?
- Yes, INA326EA/2K5 is well-suited for bridge sensor applications due to its high precision and low noise characteristics.