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INA327EA/2K5

INA327EA/2K5

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Amplifier
  • Characteristics: High precision, low noise, differential amplifier
  • Package: SOT-23-6
  • Essence: Instrumentation amplifier
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: ±2.25V to ±18V
  • Input Offset Voltage: ±50µV (maximum)
  • Input Bias Current: ±1nA (maximum)
  • Gain Bandwidth Product: 200kHz (typical)
  • Common Mode Rejection Ratio: 100dB (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA327EA/2K5 has a total of 6 pins arranged as follows:

```


| | --| V+ OUT |-- --| IN+ REF |-- --| IN- GND |-- --| V- |-- |___________| ```

Functional Features

  • High common-mode rejection ratio for accurate differential measurements
  • Low input offset voltage and bias current for precise amplification
  • Wide supply voltage range allows flexibility in various applications
  • Rail-to-rail output swing enables full utilization of the supply voltage range
  • Low quiescent current consumption for power efficiency

Advantages

  • Excellent accuracy and precision in amplifying differential signals
  • Versatile supply voltage range accommodates different system requirements
  • Robust performance in harsh operating conditions
  • Small package size allows for space-saving designs
  • Low power consumption extends battery life in portable devices

Disadvantages

  • Limited gain bandwidth product compared to some alternative models
  • Higher cost compared to basic operational amplifiers
  • Sensitive to electromagnetic interference in certain applications

Working Principles

The INA327EA/2K5 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 stage provides high input impedance and low offset voltage, ensuring accurate signal amplification. The gain stage amplifies the differential signal with high precision, while the output stage provides a rail-to-rail swing for maximum signal integrity.

Detailed Application Field Plans

The INA327EA/2K5 finds applications in various fields, including:

  1. Medical Devices: Used in ECG (Electrocardiogram) machines for precise measurement of heart signals.
  2. Industrial Automation: Employed in data acquisition systems to amplify sensor signals accurately.
  3. Automotive Electronics: Utilized in automotive diagnostic tools for reliable measurement of engine parameters.
  4. Test and Measurement Equipment: Integrated into oscilloscopes and spectrum analyzers for high-fidelity signal analysis.
  5. Energy Management Systems: Incorporated in smart meters to measure and monitor energy consumption accurately.

Detailed and Complete Alternative Models

  1. INA128P: Similar functionality with lower gain bandwidth product.
  2. AD8221ARZ: Higher gain bandwidth product but larger package size.
  3. MCP6N11-010E/SN: Lower cost alternative with comparable performance.

Note: This is not an exhaustive list; there are several other alternative models available in the market.

This entry provides an overview of the INA327EA/2K5, including its product details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models. With its high precision and low noise characteristics, the INA327EA/2K5 is a versatile amplifier suitable for a wide range of applications.

技術ソリューションにおける INA327EA/2K5 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the typical application of INA327EA/2K5?
    - The INA327EA/2K5 is commonly used for precision signal conditioning in applications such as industrial process control, test and measurement equipment, and medical instrumentation.

  2. What is the input voltage range of INA327EA/2K5?
    - The input voltage range of INA327EA/2K5 is typically ±Vs/2, where Vs is the supply voltage.

  3. Can INA327EA/2K5 be used in single-supply applications?
    - Yes, INA327EA/2K5 can be used in single-supply applications with proper biasing and voltage reference.

  4. What is the common-mode rejection ratio (CMRR) of INA327EA/2K5?
    - The CMRR of INA327EA/2K5 is typically 100 dB at DC and 80 dB at 10 kHz.

  5. Is INA327EA/2K5 suitable for low-power applications?
    - Yes, INA327EA/2K5 is designed for low-power applications, with a quiescent current of 375 µA per channel.

  6. What is the bandwidth of INA327EA/2K5?
    - The bandwidth of INA327EA/2K5 is typically 500 kHz.

  7. Can INA327EA/2K5 handle high common-mode voltages?
    - Yes, INA327EA/2K5 can handle common-mode voltages up to the supply voltage.

  8. What are the recommended supply voltage levels for INA327EA/2K5?
    - The recommended supply voltage range for INA327EA/2K5 is ±2.25V to ±18V.

  9. Does INA327EA/2K5 have built-in EMI filtering?
    - Yes, INA327EA/2K5 features built-in EMI filtering to minimize electromagnetic interference.

  10. Are there any application notes or reference designs available for using INA327EA/2K5?
    - Yes, Texas Instruments provides application notes and reference designs for utilizing INA327EA/2K5 in various technical solutions.