lmages are for reference only See Product Specifications

Texas Instruments OPA277U

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

    OPA277U this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including OPA277U 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 OPA277U 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 icwhale.com

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

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

    Means of Payment in icwhale.com

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

    RFQ (Request for Quotations) in icwhale.com

    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.


    OPA277U Typical application Circuitry


    The OPA277U is a precision operational amplifier (op-amp) commonly used for various analog signal processing applications. To establish effective connections in your circuit:

    1. Power Supply Connection: Begin by ensuring a stable power supply for the OPA277U op-amp. Connect the V+ and V- pins to your power source, ensuring voltage levels within the specified operating range to ensure proper amplification.

    2. Signal Input and Output: Connect the non-inverting (+) and inverting (-) input pins (IN+ and IN-) of the op-amp to your signal source or sensor. The signal to be amplified should be applied at these inputs.

    3. Feedback Configuration: Configure the feedback components, such as resistors (Rf and Rg), to set the gain or amplification factor of the op-amp according to your specific application requirements.

    4. Output Connection: Connect the output (OUT) pin of the OPA277U to the input of the next stage in your circuit or to the load resistor if applicable.

    5. Decoupling Capacitors: Place decoupling capacitors (typically 0.1 µF) between the power supply pins (V+ and V-) and the ground (GND) to filter out noise and stabilize the power supply.

    6. Compensation Components: Depending on your application and frequency response requirements, add compensation components like capacitors (Cf and Cin) to optimize the op-amp's stability and bandwidth.

    7. Grounding Strategy: Establish a solid ground connection by connecting the GND pin to your circuit's common ground. This ensures proper reference voltage and minimizes noise.

    8. Unused Pins Handling: Configure any unused pins according to the manufacturer's recommendations or datasheet to prevent interference or instability.

    9. Testing and Validation: After completing the connections, thoroughly test and validate the op-amp's functionality using appropriate testing equipment, ensuring that it amplifies the input signal as intended.

    10. Documentation: Maintain comprehensive documentation detailing component values, pin assignments, signal paths, and any special configurations for future reference and troubleshooting.

    By following these steps, you can ensure a successful and reliable connection of the OPA277U operational amplifier in your circuit, enabling precise and controlled signal amplification for your specific analog signal processing needs.

    OPA277U informationOPA277U information

    OPA277U FAQ

    1. How to order OPA277U on icwhale.com?

    Currently, icwhale.com 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 icwhale.com guarantee that OPA277U is from the original manufacturer or authorized agents?

    We have a professional and experienced quality control team to strictly verify and test the OPA277U. All suppliers must pass our qualification reviews before they can publish their products including OPA277U on icwhale.com; we pay more attention to the channels and quality of OPA277U products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the OPA277U price and inventory displayed accurate?

    The price and inventory of OPA277U 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 OPA277U?

    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 OPA277U we delivered, we will accept the replacement or return of the OPA277U 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 OPA277U.

    (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 OPA277U pin diagram, OPA277U datasheet?

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

    Hot Products







    Contact Us