OPA227U

The OPA227U sets the standard for operational amplifiers with its precise circuitry and minimal interference
7,418 Effective Inventory

OPA227U

Effective Inventory7,418

The OPA227U sets the standard for operational amplifiers with its precise circuitry and minimal interference

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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OPA227U 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 OPA227U or email to us: Email: [email protected], we will contact you in 12 hours.

Details

The OPA227U stands out as an exceptional operational amplifier that combines low noise, wide bandwidth, and high precision to meet the demands of applications requiring both AC and DC performance. The OPAx227 and OPAx228 series offer impressive features, with the OPAx227 providing a high slew rate of 2.3V/µs and a wide bandwidth of 8MHz, and the OPAx228 optimized for closed-loop gains of 5 or greater, boasting a slew rate of 10V/µs and a bandwidth of 33MHz. These operational amplifiers are particularly well-suited for professional audio equipment and portable applications that require high precision and low quiescent current. As pin-for-pin replacements for the industry-standard OP27 and OP37, the OPAx227 and OPAx228 series offer substantial improvements across the board, making them highly desirable choices for various designs and configurations. Available in DIP-8 and SO-8 packages, as well as DIP-14 and SO-14 packages for the OPA4227 and OPA4228, these operational amplifiers provide versatility and reliability. With an operating temperature range from -40°C to +85°C, the OPA227U ensures consistent performance in a wide range of environments

OPA227U

Key Features

  • Rapid settling: 1 µs
  • High accuracy: ±0.5%
  • Diverse applications:
    • Aerospace and defense systems
    • Semiconductor manufacturing
    • Medical devices and equipment

Application

  • Filtering like a pro
  • Precise amplification every time

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 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Vos (offset voltage at 25°C) (max) (mV) 0.075
GBW (typ) (MHz) 8 Slew rate (typ) (V/µs) 2.3
Rail-to-rail No Offset drift (typ) (µV/°C) 0.1
Iq per channel (typ) (mA) 3.7 Vn at 1 kHz (typ) (nV√Hz) 3
CMRR (typ) (dB) 138 Rating Catalog
Operating temperature range (°C) -40 to 85 Input bias current (max) (pA) 10000
Iout (typ) (A) 0.045 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) 2 Output swing headroom (to positive supply) (typ) (V) -2
THD + N at 1 kHz (typ) (%) 0.00005

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 OPA227U PDF Download

FAQs

What is OPA227U?

The OPA227U is a precision, low-noise, CMOS operational amplifier manufactured by Texas Instruments. It is designed for applications requiring high accuracy, low noise, and low distortion, making it suitable for instrumentation, audio equipment, and sensor interfaces.

How Does OPA227U Work?

The OPA227U operates as a precision operational amplifier with low noise and low distortion characteristics. It amplifies input signals with high fidelity and accuracy, making it ideal for applications where signal integrity is crucial. The amplifier features a wide bandwidth and high slew rate, enabling it to handle fast-changing input signals effectively.

How Many Pins does OPA227U have and What are the Functions of the Pinout Configuration?

The OPA227U comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • V+: Positive power supply pin.
  • V-: Negative power supply pin.
  • OUT: Amplifier output pin.
  • IN-: Inverting input pin.
  • IN+: Non-inverting input pin.
  • NC: No connection pin (may not be internally connected).
  • VCC-: Negative power supply pin (for split-supply applications).
  • VCC+: Positive power supply pin (for split-supply applications).

What are the Pros and Cons of OPA227U?

Pros:

  • High Precision: Offers high accuracy and low offset voltage for precise measurements.
  • Low Noise: Provides low noise performance, suitable for high-fidelity audio applications.
  • Wide Bandwidth: Ensures signal integrity and fidelity across a broad frequency range.
  • Low Distortion: Maintains signal quality by minimizing harmonic distortion.
  • Low Quiescent Current: Operates with low power consumption, suitable for battery-powered devices.

Cons:

  • Cost: Precision components like the OPA227U may have a higher cost compared to general-purpose amplifiers.
  • External Components: May require additional external components for specific application requirements.
  • Noise Sensitivity: High precision amplifiers like the OPA227U may be more sensitive to external noise sources.

Are There Any Equivalents/Alternatives to OPA227U for Recommendation?

  • The LT1677 from Analog Devices is a precision amplifier similar to the OPA227U.
  • Alternatives to the OPA227U include the MAX4239 from Maxim Integrated and the AD8655 from Analog Devices.

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