Texas Instruments
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INA271SHKQ
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INA271SHKQ

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Amplifier
  • Characteristics: High precision, low noise, wide bandwidth
  • Package: SOT-23-5
  • 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: 1MHz (typical)
  • Common Mode Rejection Ratio: 100dB (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA271SHKQ has a total of 5 pins:

  1. Pin 1: Positive Input (IN+)
  2. Pin 2: Negative Input (IN-)
  3. Pin 3: Output (OUT)
  4. Pin 4: Negative Supply Voltage (-Vs)
  5. Pin 5: Positive Supply Voltage (+Vs)

Functional Features

  • High common mode rejection ratio for accurate measurements in noisy environments.
  • Low input offset voltage and bias current for precise amplification.
  • Wide operating temperature range for versatile applications.
  • Small package size for space-constrained designs.

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise performance - Wide bandwidth - Versatile operating temperature range

Disadvantages: - Limited supply voltage range - Requires external power supply

Working Principles

The INA271SHKQ is an instrumentation amplifier designed to amplify small differential signals while rejecting common-mode noise. It consists of three operational amplifiers configured in a differential amplifier topology. The input signals are amplified and combined to provide a high-precision output signal.

Detailed Application Field Plans

The INA271SHKQ is commonly used in various applications, including:

  1. Medical Equipment: ECG amplification, blood pressure monitoring.
  2. Industrial Automation: Sensor signal conditioning, process control.
  3. Test and Measurement: Data acquisition systems, strain gauge amplification.
  4. Audio Systems: Microphone preamplification, audio signal conditioning.

Detailed and Complete Alternative Models

  1. INA114AP - DIP-8 package, similar specifications.
  2. AD8221ARZ - SOIC-8 package, comparable performance.
  3. MCP6N11-010E/SN - SOT-23-5 package, lower cost option.

These alternative models offer similar functionality and can be considered as substitutes for the INA271SHKQ in various applications.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق INA271SHKQ في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of INA271SHKQ in technical solutions:

  1. Question: What is the purpose of INA271SHKQ?
    Answer: INA271SHKQ is a precision, low-offset voltage, current-sense amplifier used for accurate measurement of current in various technical applications.

  2. Question: What is the input voltage range of INA271SHKQ?
    Answer: The input voltage range of INA271SHKQ is typically ±200mV.

  3. Question: Can INA271SHKQ be used for high-side current sensing?
    Answer: Yes, INA271SHKQ can be used for both high-side and low-side current sensing applications.

  4. Question: What is the maximum supply voltage for INA271SHKQ?
    Answer: The maximum supply voltage for INA271SHKQ is 36V.

  5. Question: Does INA271SHKQ require an external reference voltage?
    Answer: Yes, INA271SHKQ requires an external reference voltage for accurate current measurements.

  6. Question: What is the typical gain accuracy of INA271SHKQ?
    Answer: The typical gain accuracy of INA271SHKQ is 0.5%.

  7. Question: Can INA271SHKQ operate in harsh environments?
    Answer: Yes, INA271SHKQ is designed to operate in industrial temperature ranges (-40°C to +125°C) and is suitable for harsh environments.

  8. Question: Is INA271SHKQ compatible with single-supply operation?
    Answer: Yes, INA271SHKQ can be operated with a single supply voltage as low as 2.7V.

  9. Question: What is the output voltage swing of INA271SHKQ?
    Answer: The output voltage swing of INA271SHKQ is typically ±10V.

  10. Question: Can INA271SHKQ be used in battery monitoring applications?
    Answer: Yes, INA271SHKQ is commonly used in battery monitoring applications to accurately measure the current flowing in and out of the battery.

Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.