lmages are for reference only See Product Specifications


Texas Instruments PGA103U

Part No.:
Texas Instruments
8-SOIC (0.154, 3.90mm Width)
In Stock:
  Add To Cart
For more detailed including pricing and shipping
Quick response, quick quotation
Flash shipment, no worries after sales
Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Part Number
Email / phone number*
Contact Name / Company Name
  • Purchase and inquiryPurchase and inquiry

    PGA103U this integrated circuit is available in factory sealed anti static packs. at Please read product page below detail information. including PGA103U price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PGA103U to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

    Purchase in

    There is no doubt that you may place an order without registering to

    We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

    Means of Payment in

    For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

    RFQ (Request for Quotations) in

    It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

    Our sales will reply to your request by email within 24 hours.

    Warm reminder

    1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

    2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

    Shipping & Handling

    Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

    The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

    Shipping Method

    Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

    Order Tracking for International Orders

    Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

    PGA103U informationPGA103U information


    PGA103U Typical application Circuitry


    The PGA103U is an advanced high-performance, wide-bandwidth monolithic instrumentation amplifier by Texas Instruments. This integrated circuit (IC) is designed to offer excellent performance in terms of accuracy, bandwidth, and speed, making it suitable for a broad range of applications.

    The PGA103U can be used in various settings, including:

    - Medical instrumentation: For processing signals from biological sensors.

    - Industrial process controls: To enhance signal fidelity in noisy environments.

    - Precision data acquisition: For improving the accuracy of signal interpretation.

    Key features of the PGA103U include:

    - Wide bandwidth: Up to 100 MHz.

    - Low noise: Ensuring signal integrity in high-precision applications.

    - Gain adjustable with a single external resistor: Provides adaptability to different signal strengths.

    - Single supply operation: Facilitates power efficiency and compact design.

    A typical application of PGA103U is in an ECG (Electrocardiogram) monitoring system, where signal accuracy is critical:

    1. Input Stage: Connect the input signals from the ECG sensors to the In- and In+ pins of the PGA103U. This is the differential input stage.

    2. Gain Setting: Connect an external resistor (Rg) between the Gain Set pins (1 and 8) of the PGA103U. This resistor will determine the gain of the amplifier.

    3. Power Supply: Connect the positive supply voltage to the V+ pin and the ground to the V- pin.Single supply operation makes it easier to design the power circuitry.

    4. Output Stage: Connect the Out pin to the subsequent stages in your system.This is the output stage, where the amplified signal comes out.

    5. Reference Voltage (Ref): The Ref pin should be connected to a reference voltage which is usually mid-supply for AC-coupled applications.

    When designing a circuit with the PGA103U, consider the following:

    - Power Supply: The power supply must provide stable and noise-free power to avoid distortion in the output signal.

    - Gain Setting: The choice of the gain setting resistor (Rg) is essential. Too high gain can lead to signal distortion, while too low gain can cause signal loss.

    - Layout Design: To prevent unwanted noise and interference, proper circuit layout and grounding techniques should be followed.

    - Thermal Management: The PGA103U could potentially heat up during operation. Therefore, appropriate thermal management measures should be considered.

    In conclusion, the PGA103U is a versatile and high-performance instrumentation amplifier that is applicable in many domains requiring accurate and high-speed signal processing.

    PGA103U FAQ

    1. How to order PGA103U on

    Currently, only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

    2. How does guarantee that PGA103U is from the original manufacturer or authorized agents?

    We have a professional and experienced quality control team to strictly verify and test the PGA103U. All suppliers must pass our qualification reviews before they can publish their products including PGA103U on; we pay more attention to the channels and quality of PGA103U products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the PGA103U price and inventory displayed accurate?

    The price and inventory of PGA103U fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

    4. What forms of payment are accepted?

    Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

    Warm Tips: Some orders in certain payment forms may require handling fee.

    5. How is the shipping arranged?

    Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

    Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

    Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

    6. What is the process for return or replacement of PGA103U?

    All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PGA103U we delivered, we will accept the replacement or return of the PGA103U only when all of the below conditions are fulfilled:

    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

    (2)We are informed of the defect described above within 90 days after the delivery of PGA103U.

    (3)The PartNo is unused and only in the original unpacked packaging.

    Two processes to return the products:

    (1)Inform us within 90 days

    (2)Obtain Requesting Return Authorizations

    7.How to contact us to get technical supports, such as PGA103U pin diagram, PGA103U datasheet?

    If you need any after-sales service, please do not hesitate to contact us.

    Hot Products







    Contact Us