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INA128PA
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INA128PA

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Instrumentation Amplifier
  • Characteristics:
    • High precision and accuracy
    • Low noise and distortion
    • Wide bandwidth
    • High input impedance
    • Differential input and single-ended output
  • Package: PDIP (Plastic Dual In-Line Package)
  • Essence: Precision instrumentation amplifier
  • Packaging/Quantity: Typically sold in packs of 1 or 10 units

Specifications

  • Supply Voltage: ±2.25V to ±18V
  • Input Offset Voltage: 50µV (max)
  • Input Bias Current: 500nA (max)
  • Gain Bandwidth Product: 1MHz (typ)
  • Common Mode Rejection Ratio: 100dB (min)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The INA128PA has a total of 8 pins, which are numbered as follows:

  1. REF (Reference Voltage)
  2. V-
  3. V+
  4. RG (Gain Resistor)
  5. OUTPUT
  6. NC (No Connection)
  7. INPUT-
  8. INPUT+

Functional Features

  • High gain accuracy and stability
  • Excellent common mode rejection ratio
  • Low input offset voltage and bias current
  • Wide supply voltage range
  • Built-in protection against electrostatic discharge (ESD)

Advantages

  • Provides high precision amplification for small signals
  • Suitable for applications requiring accurate measurements
  • Offers excellent noise performance for signal conditioning
  • Versatile and can be used in various electronic circuits
  • Easy to use and integrate into existing systems

Disadvantages

  • Relatively higher cost compared to basic operational amplifiers
  • Requires external gain resistor for proper operation
  • Limited output current capability

Working Principles

The INA128PA is based on the principle of differential amplification. It amplifies the voltage difference between its two input pins (INPUT+ and INPUT-) while rejecting common mode signals. The gain can be adjusted by selecting an appropriate value for the external gain resistor (RG).

Detailed Application Field Plans

The INA128PA is widely used in various applications, including: - Medical instrumentation - Industrial process control - Data acquisition systems - Strain gauge amplification - Thermocouple amplification - Bridge amplification

Detailed and Complete Alternative Models

Some alternative models to the INA128PA include: - AD620 - AD8221 - LT1167 - MCP6N11 - MAX4209

These alternatives offer similar functionality and performance characteristics to the INA128PA.

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Texniki həllərdə INA128PA tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

Sure! Here are 10 common questions and answers related to the application of INA128PA in technical solutions:

  1. Question: What is INA128PA?
    Answer: INA128PA is a precision instrumentation amplifier that can amplify small differential signals with high accuracy.

  2. Question: What is the typical supply voltage range for INA128PA?
    Answer: The typical supply voltage range for INA128PA is ±2.25V to ±18V.

  3. Question: Can INA128PA be used in single-ended mode?
    Answer: Yes, INA128PA can be used in both differential and single-ended mode.

  4. Question: What is the input voltage range of INA128PA?
    Answer: The input voltage range of INA128PA is typically ±200mV.

  5. Question: What is the gain range of INA128PA?
    Answer: The gain range of INA128PA can be set from 1 to 10000 using external resistors.

  6. Question: Is INA128PA suitable for low-frequency applications?
    Answer: Yes, INA128PA is suitable for low-frequency applications as it has a wide bandwidth of 1MHz.

  7. Question: Can INA128PA handle high common-mode voltages?
    Answer: Yes, INA128PA can handle common-mode voltages up to ±13V.

  8. Question: Does INA128PA have built-in EMI/RFI filters?
    Answer: No, INA128PA does not have built-in EMI/RFI filters. Additional filtering may be required in noisy environments.

  9. Question: What is the temperature range for operating INA128PA?
    Answer: INA128PA can operate within a temperature range of -40°C to +85°C.

  10. Question: Can INA128PA be used in medical applications?
    Answer: Yes, INA128PA is commonly used in medical applications such as ECG (electrocardiogram) and EEG (electroencephalogram) due to its high precision and low noise characteristics.

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