INA128U

With its compact and durable design, the INA128U is a reliable choice for various electronic projects
4,764 Effective Inventory

INA128U

Effective Inventory4,764

With its compact and durable design, the INA128U is a reliable choice for various electronic projects

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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About Payment

We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact 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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INA128U DataSheet
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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 INA128U or email to us: Email: [email protected], we will contact you in 12 hours.

Details

The INA128U is a highly versatile and low-power instrumentation amplifier that boasts impressive accuracy. Its three op amp design and compact size make it suitable for a wide range of applications. With current-feedback input circuitry, this amplifier delivers wide bandwidth, even at high gain, making it a reliable choice for demanding tasks

Key Features

  • This precision amplifier IC offers high accuracy
  • Suitable for use in medical devices, industrial control systems, and data acquisition applications
  • Low input bias current reduces distortion and noise
  • High power supply rejection ratio minimizes interference from power supplies
  • Wide gain range allows for precise amplification of signals

Application

  • Robust design

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 vs INA128UA vs INA128UAE4 INA128U vs INA128U/2K5 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 INA128U PDF Download

FAQs

What is INA128U?

The INA128U is a precision, low-power, instrumentation amplifier designed by Texas Instruments. It is ideal for applications requiring accurate signal amplification, such as sensor interfaces, industrial instrumentation, and medical equipment.

How Does INA128U Work?

The INA128U operates as an instrumentation amplifier, providing high input impedance, low noise, and high common-mode rejection. It amplifies small differential signals while rejecting common-mode noise, making it suitable for precision measurements. The amplifier features a versatile gain configuration to meet various application requirements.

How Many Pins does INA128U have and What are the Functions of the Pinout Configuration?

The INA128U is housed in an 8-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VS-: Negative power supply pin.
  • REF-: Negative reference voltage pin.
  • REF+: Positive reference voltage pin.
  • IN-: Inverting input pin.
  • IN+: Non-inverting input pin.
  • OUT: Output pin.
  • VS+: Positive power supply pin.

What are the Pros and Cons of INA128U?

Pros:

  • Precision: Provides accurate amplification of small signals with high common-mode rejection.
  • Low Power Consumption: Operates with low power, suitable for battery-powered applications.
  • High Input Impedance: Features high input impedance for interfacing with sensitive sensors.
  • Compact Package: The 8-lead SOIC package offers a space-efficient design for compact systems.

Cons:

  • Cost: Precision instrumentation amplifiers like the INA128U may have a higher cost compared to general-purpose amplifiers.
  • External Components: May require additional external components for filtering or signal conditioning in certain applications.

Are There Any Equivalents/Alternatives to INA128U for Recommendation?

  • An equivalent part to the INA128U is the AD620 from Analog Devices.
  • Alternatives to the INA128U include the INA333 from Texas Instruments and the AD8221 from Analog Devices.

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