TI OPA277UA
High-performance operational amplifier for bipolar application





Brands: Texas Instruments
Mfr.Part #: OPA277UA
Datasheet: OPA277UA Datasheet (PDF)
Package/Case: SOIC (D)-8
RoHS Status:
Stock Condition: 6,713 pcs, New Original
Product Type: Instrumentation, OP Amps, Buffer Amps
Warranty: 1 Year Ovaga Warranty - Find Out More
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OPA277UA General Description
One standout feature of the OPA277UA is its ultra-low offset voltage and drift, as well as its low bias current, high common-mode rejection, and superior power supply rejection. Operating from ±2-V to ±18-V supplies, this amplifier delivers exceptional performance across a wide range of applications

Features
- Smooth signal processing
- Efficient power management
- Reliable overvoltage protection
Application
- OPA277UA: Ideal for precision instrumentation
- Perfect for data acquisition systems
- Low noise, high accuracy, optimal performance
Specifications
Parameter | Value | Parameter | Value |
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Number of channels | 1 | Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 36 |
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 4 | Vos (offset voltage at 25°C) (max) (mV) | 0.02 |
GBW (typ) (MHz) | 1 | Features | Small Size |
Slew rate (typ) (V/µs) | 0.8 | Rail-to-rail | No |
Offset drift (typ) (µV/°C) | 0.1 | Iq per channel (typ) (mA) | 0.79 |
Vn at 1 kHz (typ) (nV√Hz) | 8 | CMRR (typ) (dB) | 140 |
Rating | Catalog | Operating temperature range (°C) | -40 to 85 |
Input bias current (max) (pA) | 1000 | Iout (typ) (A) | 0.035 |
Architecture | Bipolar | Input common mode headroom (to negative supply) (typ) (V) | 2 |
Input common mode headroom (to positive supply) (typ) (V) | -2 | Output swing headroom (to negative supply) (typ) (V) | 0.5 |
Output swing headroom (to positive supply) (typ) (V) | -1.2 |
Shipping
Shipping Type | Ship Fee | Lead Time | |
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time:Shipping fee depend on different zone and country.
Payment
Terms of payment | Hand Fee | |
---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.5% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step1 :Product Inventory
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Step2 :Pressure Relief Packaging
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Step3 :Anti Static Packaging
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Step4 :Protective Packaging
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Step5 :Sealed Packaging
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Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Q: How can I order the OPA277UA?
A: To place an order for the OPA277UA, select the "Add to Cart" button associated with the product listing on our website. Once selected, you can finalize your purchase by proceeding to the checkout page, where you can enter your payment and shipping information.
Q: What is the warranty period for the OPA277UA?
A: We offer a 1-year warranty on the OPA277UA. This warranty covers any defects in materials and artistry under normal use. During the warranty period, if the product is found to be defective, it will be repaired or replaced at no charge. For further details, please refer to our warranty policy.
Q: How does Ovaga ensure the authenticity of OPA277UA from Texas Instruments?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Texas Instruments manufacturers and authorized agents. All Texas Instruments suppliers must pass a qualification review before they can list their OPA277UA products on our platform. We emphasize sourcing from reliable channels and maintaining high product quality standards, ensuring you can make your purchase with confidence.
Q: How can I find detailed information about the OPA277UA chips, such as application notes, factory information, and images?
A: You can utilize Ovaga's intelligent search engine, filter by the Ethernet PHY Products category, or visit the Texas Instruments information page to find comprehensive details about the OPA277UA.
Q: Are the price and stock information for OPA277UA on Ovaga's platform accurate?
A: Inventory levels for Texas Instruments products can fluctuate and may not be updated in real time. The information is refreshed periodically within 24 hours. To confirm stock availability and final pricing, you must confirm your order with an Ovaga salesperson or customer service representative before proceeding with payment.
Q: Can I place orders offline with Ovaga?
A: Yes, offline orders are accepted. You can navigate to the "My Orders" section and enter transaction management to place your order. Reviewing the "Order Details" and proceeding to place the order is straightforward. Additionally, you may benefit from coupons or selected gifts when ordering online.
Q: What payment methods are accepted by Ovaga?
A: Ovaga accepts various payment methods, including Wire Transfer, PayPal, Credit Cards, Western Union, and Money Gram.
Q: How is shipping arranged, and how can I track my package?
A: Customers can choose from industry-leading freight companies such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail. Once your order is processed for shipment, you will receive an email with the shipping status and tracking number. Note that tracking information may take up to 24 hours to be displayed by carriers. Typically, express delivery takes 2-5 days.
Q: What is the return or replacement process for OPA277UA?
A: Ovaga conducts Pre-Shipment Inspections (PSI) on all orders to ensure quality before shipment. Suppose there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., breakage or rust), and they are acknowledged by us. In that case, returns or replacements will be accepted under the following conditions:
- ●The defect must be reported within 365 days after delivery.
- ●The product must be unused and in its original, unopened packaging.
- ●Requesting Return Authorizations must be obtained.
For the return process:
- ●Please inform us within 365 days of receiving the product.
- ●Obtain Return Authorization from our team.
- ●Please refer to our After-Sale Matters for more detailed instructions.
Q: How can I contact Ovaga for support, including obtaining datasheets or pin diagrams for the OPA277UA?
A: For any after-sales support or technical inquiries, including requests for datasheets or pin diagrams, please get in touch with us via email at [email protected].
Q: What can you tell me about Ovaga's quality assurance practices?
A: Ovaga is committed to maintaining the highest standards of quality. We are certified under ISO14001, ISO 9001, IATF16949, ISO13485, and DUNS standards by the Quality Systems Registrar. This certification signifies that our operational systems meet stringent international standards in quality management. Our compliance is regularly reviewed and tested to ensure ongoing adherence to these standards, affirming our commitment to quality and continuous improvement.
Q: What do the ISO, IATF, and DUNS certifications mean for customers of Ovaga?
A: Our ISO, IATF, and DUNS certifications assure customers that Ovaga operates systems that are both accurate and comprehensive, meeting the rigorous requirements of the ISO, IATF, and DUNS standards. This certification underscores our long-term commitment to continuous improvement across our operations. As a note to our customers, while we strive for accuracy in product data on our website, we recommend referring to the manufacturer's datasheet or catalog for confirmed product specifications before placing an order. If you identify any discrepancies, please get in touch with us immediately.
Part points
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The OPA277UA is an operational amplifier (op-amp) chip used in electronic circuit design. It is a high-precision, low-noise amplifier with high output current capability. The chip is commonly used in applications that require accurate and stable signal amplification, such as sensor interfaces, data acquisition systems, and audio processing. With its versatile performance characteristics, the OPA277UA is a popular choice among engineers in various industries.
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Equivalent
Some equivalent products of the OPA277UA chip include OPA277P, TL082, OPA132, and AD8628. These chips are all operational amplifiers that provide similar functionality and can be used as replacements for the OPA277UA. -
Features
The OPA277UA is an operational amplifier with high precision and low offset voltage, making it suitable for precision applications. It has a wide input voltage range, low input bias current, and low quiescent current. It is also capable of driving high output currents, making it ideal for driving loads in a variety of applications. -
Pinout
The OPA277UA is a low-power, high-precision operational amplifier (op-amp) with 8 pins. It features a high-gain bandwidth (approximately 8 MHz) and low offset voltage, making it suitable for precision instrumentation and data acquisition systems. -
Manufacturer
The OPA277UA is manufactured by Texas Instruments Incorporated. It is an American semiconductor company that focuses on developing and producing a wide range of integrated circuits and other electronic components for various industries, including consumer electronics, automotive, industrial, and telecommunications. -
Application Field
The OPA277UA is a dual low-power, precision operational amplifier. It is commonly used in applications such as sensor amplification, signal conditioning, data acquisition systems, and audio signal processing. -
Package
The OPA277UA is available in an SOIC-8 package, which consists of a rectangular shape with a width of 3.91mm, a length of 4.9mm, and a height of 1.75mm.
Assembly Advice
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