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INA2126PA
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INA2126PA

Product Overview

  • Category: Integrated Circuit
  • Use: Instrumentation Amplifier
  • Characteristics: High precision, low noise, wide bandwidth
  • Package: DIP-8, SOIC-8
  • Essence: Precision signal amplification
  • Packaging/Quantity: Tube/reel packaging, 50 pieces per tube/reel

Specifications

  • Supply Voltage: ±2.25V to ±18V
  • Input Offset Voltage: 50µV (max)
  • Gain Bandwidth Product: 1.5MHz
  • Input Bias Current: 0.2nA (typ)
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. V+
  2. IN+
  3. IN-
  4. REF
  5. V-
  6. OUT
  7. RG
  8. V-

Functional Features

  • High input impedance
  • Low output impedance
  • Adjustable gain
  • Rail-to-rail output swing
  • Low distortion

Advantages and Disadvantages

Advantages

  • High precision amplification
  • Wide operating voltage range
  • Low noise
  • Small footprint
  • Versatile in various applications

Disadvantages

  • Sensitive to electromagnetic interference
  • Higher cost compared to basic operational amplifiers

Working Principles

The INA2126PA is designed to amplify small differential signals while rejecting common-mode noise. It achieves this by using a three-op-amp structure with precision matched resistors to set the gain. The internal architecture provides high input impedance and low output impedance, making it suitable for precise signal conditioning.

Detailed Application Field Plans

  1. Medical Devices: ECG amplification
  2. Industrial Control Systems: Sensor signal conditioning
  3. Test and Measurement Equipment: Bridge amplifier
  4. Audio Equipment: Microphone preamplifier
  5. Automotive Electronics: Pressure sensor interface

Detailed and Complete Alternative Models

  1. AD620: Low cost, lower precision
  2. AD8221: Higher precision, higher cost
  3. INA128: Lower bandwidth, lower cost
  4. AD8421: Higher bandwidth, higher cost

This comprehensive entry provides an in-depth understanding of the INA2126PA, covering its specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

10個與INA2126PA在技術方案中應用相關的常見問題與解答

Sure, here are 10 common questions and answers related to the application of INA2126PA in technical solutions:

  1. What is the INA2126PA?

    • The INA2126PA is a precision instrumentation amplifier with a wide input voltage range and high common-mode rejection ratio (CMRR).

  2. What is the typical application of the INA2126PA?

    • The INA2126PA is commonly used for amplifying small differential signals in applications such as industrial process control, test and measurement equipment, and sensor signal conditioning.

  3. What is the input voltage range of the INA2126PA?

    • The INA2126PA has a wide input voltage range of ±15V, making it suitable for a variety of industrial and instrumentation applications.

  4. What is the gain accuracy of the INA2126PA?

    • The gain accuracy of the INA2126PA is typically better than 0.05%, ensuring precise amplification of the input signals.

  5. How does the INA2126PA handle common-mode noise?

    • The INA2126PA features a high CMRR of 100dB, allowing it to reject common-mode noise and provide accurate amplification of differential signals.

  6. What is the power supply requirement for the INA2126PA?

    • The INA2126PA operates from a single power supply ranging from +9V to +36V, making it compatible with a wide range of power sources.

  7. Can the INA2126PA be used in low-power applications?

    • Yes, the INA2126PA has a low quiescent current of 1.5mA, making it suitable for low-power and battery-operated systems.

  8. Does the INA2126PA require external components for operation?

    • The INA2126PA requires minimal external components for operation, simplifying the design and reducing component count.

  9. What is the temperature range for the INA2126PA?

    • The operating temperature range for the INA2126PA is -40°C to +125°C, allowing it to be used in harsh environmental conditions.

  10. Is the INA2126PA available in a small package for space-constrained applications?

    • Yes, the INA2126PA is available in a small DIP or SOIC package, making it suitable for space-constrained applications where board space is limited.