Texas Instruments
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
INA129UA
詳細を表示 DataSheets

INA129UA

Product Overview

Category: Integrated Circuit (IC)

Use: The INA129UA is a precision instrumentation amplifier designed for accurate signal amplification in various applications.

Characteristics: - High accuracy - Low noise - Wide input voltage range - Low power consumption

Package: The INA129UA comes in a small outline package (SOIC) with 8 pins.

Essence: The essence of the INA129UA lies in its ability to provide precise and reliable amplification of signals in different scenarios.

Packaging/Quantity: The INA129UA is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

The specifications of the INA129UA include:

  • Supply Voltage Range: ±2.25V to ±18V
  • Input Offset Voltage: 50µV (maximum)
  • Input Bias Current: 0.5nA (maximum)
  • Gain Bandwidth Product: 1MHz (typical)
  • Common Mode Rejection Ratio: 100dB (typical)
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The INA129UA has the following pin configuration:

  1. REF (Reference Voltage)
  2. V-
  3. IN-
  4. IN+
  5. V+
  6. RG (Gain Setting Resistor)
  7. OUT (Output)
  8. NC (No Connection)

Functional Features

The functional features of the INA129UA are as follows:

  • High gain accuracy
  • Low input offset voltage
  • Excellent common mode rejection ratio
  • Low noise performance
  • Wide supply voltage range
  • Flexible gain setting through external resistor

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise operation - Wide input voltage range - Versatile gain setting options

Disadvantages: - Relatively high cost compared to basic amplifiers - Requires external gain setting resistor

Working Principles

The INA129UA operates based on the principle of differential amplification. It amplifies the difference between the IN+ and IN- inputs while rejecting common mode signals. The gain can be set externally using a resistor connected to the RG pin.

Detailed Application Field Plans

The INA129UA finds applications in various fields, including:

  1. Biomedical instrumentation
  2. Industrial process control
  3. Strain gauge amplification
  4. Data acquisition systems
  5. Temperature measurement
  6. Bridge amplification

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the INA129UA are:

  1. AD620 - Instrumentation Amplifier by Analog Devices
  2. MCP6N11 - Precision Instrumentation Amplifier by Microchip Technology
  3. LT1167 - Precision Instrumentation Amplifier by Linear Technology
  4. MAX4209 - Low-Noise, Precision Instrumentation Amplifier by Maxim Integrated

These alternative models provide comparable performance and can be considered as substitutes for the INA129UA in specific applications.

Word count: 346 words

技術ソリューションにおける INA129UA 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。

Sure! Here are 10 common questions and answers related to the application of INA129UA in technical solutions:

  1. Q: What is INA129UA? A: INA129UA is a precision instrumentation amplifier that can accurately amplify small differential signals in various applications.

  2. Q: What is the input voltage range of INA129UA? A: The input voltage range of INA129UA is typically ±200mV, but it can be extended with external resistors.

  3. Q: What is the gain accuracy of INA129UA? A: The gain accuracy of INA129UA is typically 0.01% or better, ensuring precise amplification of signals.

  4. Q: Can INA129UA operate with a single power supply? A: Yes, INA129UA can operate with a single power supply, typically ranging from 2.2V to 36V.

  5. Q: What is the common-mode rejection ratio (CMRR) of INA129UA? A: The CMRR of INA129UA is typically 100dB or more, allowing it to reject common-mode noise effectively.

  6. Q: Can INA129UA handle high-frequency signals? A: Yes, INA129UA has a wide bandwidth of typically 1MHz, making it suitable for amplifying high-frequency signals.

  7. Q: Is INA129UA suitable for low-power applications? A: Yes, INA129UA has a low quiescent current of typically 300µA, making it ideal for low-power applications.

  8. Q: Can INA129UA be used in temperature-sensitive environments? A: Yes, INA129UA has a wide operating temperature range of -40°C to +85°C, making it suitable for various environments.

  9. Q: Does INA129UA have built-in protection features? A: Yes, INA129UA has built-in ESD protection and short-circuit protection to ensure the safety of the device.

  10. Q: What are some common applications of INA129UA? A: Some common applications of INA129UA include medical instrumentation, strain gauge amplification, thermocouple amplification, and industrial process control.

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