INA128UA

Instrumentation amplifier offering a 700-µA current with low power consumption
7,916 Effective Inventory

INA128UA

Effective Inventory7,916

Instrumentation amplifier offering a 700-µA current with low power consumption

Quality Assurance

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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INA128UA DataSheet
no-price

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for INA128UA or email to us: Email: [email protected], we will contact you in 12 hours.

Details

Additionally, for those looking for enhanced performance, the upgraded INA828 presents a lower input bias current (0.6 nA, max) and lower noise (7 nV/√Hz) at the same quiescent current, making it a compelling choice for applications requiring precision and reliability. These features, combined with Texas Instruments' reputation for quality, make the INA128UA a standout option in the field of instrumentation amplifiers

Key Features

  • Instrumentation amplifier with low offset voltage and low offset voltage drift
  • High common-mode rejection ratio
  • Wide gain range (1 to 1000)
  • Low input bias current
  • Single or dual power supply operation
  • Low input noise
  • High precision and accuracy

    • Application

    • Low noise instrumentation
    • Portable data solution
    • Reliable signal amplification

    Specifications

    The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

    Number of channels 1 Vs (max) (V) 36
    Vs (min) (V) 4.5 Input offset (±) (max) (µV) 50
    Voltage gain (min) (V/V) 1 Voltage gain (max) (V/V) 10000
    Noise at 1 kHz (typ) (nV√Hz) 8 Features Current Feedback, Overvoltage protection
    CMRR (min) (dB) 120 Input offset drift (±) (max) (V/°C) 0.0000005
    Input bias current (±) (max) (nA) 5 Iq (typ) (mA) 0.7
    Bandwidth at min gain (typ) (MHz) 1.3 Gain error (±) (max) (%) 0.5
    Operating temperature range (°C) -40 to 125 Rating Catalog
    Type Resistor Gain nonlinearity (±) (max) (%) 0.004
    Output swing headroom (to negative supply) (typ) (V) 0.8 Output swing headroom (to positive supply) (typ) (V) -0.9
    Input common mode headroom (to negative supply) (typ) (V) 1.7 Input common mode headroom (to positive supply) (typ) (V) -1.4
    Noise at 0.1 Hz to 10 Hz (typ) (µVPP) 0.2

    Specification Comparison

    INA128U/2K5 vs INA128UA vs INA128UAE4 INA128U vs INA128UA vs INA128UAE4

    Datasheet PDF

    Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

    Preliminary Specification INA128UA PDF Download

    FAQs

    What is INA128UA?

    The INA128UA is a precision instrumentation amplifier designed by Texas Instruments. It is ideal for applications requiring precise amplification of small differential signals, such as sensor interfaces, medical instrumentation, and industrial control systems.

    How Does INA128UA Work?

    The INA128UA operates as an instrumentation amplifier, providing high-precision amplification of differential input signals. It includes precision-matched resistors for accurate gain setting and common-mode rejection. The amplifier is designed to minimize errors and noise in applications where signal integrity is critical.

    How Many Pins does INA128UA have and What are the Functions of the Pinout Configuration?

    The INA128UA is housed in an 8-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

    • VS: Supply voltage pin.
    • REF: Reference voltage pin.
    • RG: Gain setting resistor pin.
    • IN-: Inverting input pin.
    • IN+: Non-inverting input pin.
    • OUT: Output pin.

    What are the Pros and Cons of INA128UA?

    Pros:

    • Precision Amplification: Provides high-precision amplification of small signals.
    • High Common-Mode Rejection: Ensures accurate amplification in the presence of common-mode signals.
    • Low Noise: Minimizes noise for improved signal integrity.
    • Flexible Gain Configuration: Allows for easy setting of gain levels to suit different applications.
    • Robust Design: Designed for reliable performance in demanding environments.

    Cons:

    • Cost: Precision instrumentation amplifiers like the INA128UA may have a higher cost compared to simpler amplifiers.
    • Complexity: Requires understanding of instrumentation amplifier concepts for optimal use.
    • External Components: May need additional components for specific circuit configurations.

    Are There Any Equivalents/Alternatives to INA128UA for Recommendation?

    • The AD620 from Analog Devices is a comparable precision instrumentation amplifier.
    • Alternatives to the INA128UA include the LTC6910 from Linear Technology and the MAX4209 from Maxim Integrated.

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