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INA126PAG4
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INA126PAG4

Product Overview

Category: Integrated Circuit
Use: Instrumentation Amplifier
Characteristics: High precision, low noise, wide input voltage range
Package: DIP-8, SOIC-8
Essence: Precision signal amplification
Packaging/Quantity: Tube of 50, Tape & Reel

Specifications

  • Supply Voltage: ±2.25V to ±18V
  • Input Offset Voltage: 50µV (max)
  • Gain Bandwidth Product: 1MHz
  • Input Bias Current: 0.2nA (typ)

Detailed Pin Configuration

  1. REF (Pin 1) - Reference Voltage
  2. V+ (Pin 2) - Positive Power Supply
  3. RG (Pin 3) - Gain Setting Resistor
  4. IN- (Pin 4) - Inverting Input
  5. IN+ (Pin 5) - Non-Inverting Input
  6. V- (Pin 6) - Negative Power Supply
  7. OUT (Pin 7) - Output
  8. VS (Pin 8) - Sense Voltage

Functional Features

  • Low input offset voltage and drift
  • High common-mode rejection ratio
  • Wide power supply range
  • Excellent linearity

Advantages and Disadvantages

Advantages: - High precision amplification - Wide input voltage range - Low noise

Disadvantages: - Limited gain bandwidth product - Sensitive to electromagnetic interference

Working Principles

The INA126PAG4 is designed to amplify small differential signals while rejecting common-mode noise. It achieves this by using three operational amplifiers in a configuration that provides high input impedance and low output impedance.

Detailed Application Field Plans

  1. Medical Devices: ECG and EEG equipment
  2. Industrial Control Systems: Pressure and temperature measurement
  3. Test and Measurement Equipment: Strain gauge amplification

Detailed and Complete Alternative Models

  1. AD623: Low cost alternative with similar performance
  2. AD8221: Higher bandwidth instrumentation amplifier

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng INA126PAG4 trong giải pháp kỹ thuật

  1. What is the INA126PAG4?

    • The INA126PAG4 is a precision instrumentation amplifier designed for accurate signal amplification in technical solutions.

  2. What is the typical application of the INA126PAG4?

    • The INA126PAG4 is commonly used in applications requiring precise amplification of small differential signals, such as in medical instrumentation and industrial control systems.

  3. What is the input voltage range of the INA126PAG4?

    • The INA126PAG4 has a wide input voltage range, typically from ±10mV to ±100mV, making it suitable for amplifying small differential signals.

  4. What is the gain accuracy of the INA126PAG4?

    • The gain accuracy of the INA126PAG4 is typically better than 0.01%, ensuring precise amplification of signals in technical solutions.

  5. What are the key features of the INA126PAG4?

    • The key features of the INA126PAG4 include low offset voltage, low noise, high common-mode rejection ratio (CMRR), and wide supply voltage range, making it ideal for demanding technical applications.

  6. How does the INA126PAG4 handle common-mode signals?

    • The INA126PAG4 has a high CMRR, typically greater than 100dB, allowing it to effectively reject common-mode signals and amplify only the differential signals of interest.

  7. What are the recommended power supply voltages for the INA126PAG4?

    • The INA126PAG4 can operate from a single or dual power supply, with recommended voltage ranges typically from ±2.25V to ±18V, providing flexibility in various technical solutions.

  8. Can the INA126PAG4 be used in temperature-critical applications?

    • Yes, the INA126PAG4 is designed for stability over a wide temperature range, making it suitable for use in temperature-critical applications such as thermocouple amplification and temperature measurement systems.

  9. What are the typical output voltage swing capabilities of the INA126PAG4?

    • The INA126PAG4 can typically swing its output voltage close to the power supply rails, allowing for maximum dynamic range in technical solutions.

  10. Are there any application notes or reference designs available for the INA126PAG4?

    • Yes, Texas Instruments provides comprehensive application notes and reference designs for the INA126PAG4, offering guidance on its optimal use in various technical solutions.