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Name: OPA2228U/2K5
Brand: Texas Instruments
SKU: OPA2228U/2K5
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments OPA2228U/2K5

Part No.:: OPA2228U/2K5

Manufacturer:: Texas Instruments

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: OPA2228U/2K5.pdf

Description:: IC OPAMP GP 2 CIRCUIT 8SOIC

In Stock:: 3965

Quantity:: Add To Cart

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OPA2228U/2K5 Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Bulk
Series:
-
ProductStatus:
Active
AmplifierType:
General Purpose
NumberofCircuits:
2
OutputType:
-
SlewRate:
11V/µs
GainBandwidthProduct:
33 MHz
-3dbBandwidth:
-
Current-InputBias:
2.5 nA
Voltage-InputOffset:
5 µV
Current-Supply:
3.7mA (x2 Channels)
Current-Output/Channel:
45 mA
Voltage-SupplySpan(Min):
5 V
Voltage-SupplySpan(Max):
36 V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

OPA2228U/2K5 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including OPA2228U/2K5 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 OPA2228U/2K5 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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OPA2228U/2K5 information

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OPA2228U/2K5 Typical application Circuitry

OPA2228U 2K5

The OPA2228U/2K5 is a high-precision operational amplifier (op-amp) known for its dual-channel configuration, low noise, and excellent stability. This op-amp is especially suitable for applications that demand accurate signal amplification and processing, including precision instrumentation, active filters, and data acquisition systems.

Key Features and Specifications

- Dual Precision Op-Amp: The OPA2228U/2K5 features two precision op-amps in a single package, optimizing board space.

- Low Noise: It provides low noise performance, which is crucial for uses where clean signal amplification is needed.

- High Accuracy: With low offset voltage and drift, the OPA2228U/2K5 ensures high accuracy in signal processing.

- Wide Supply Voltage Range: This op-amp operates across a broad range of supply voltages, providing flexibility in various application designs.

Application Scenario: Precision Instrumentation Amplifier

A common application of the OPA2228U/2K5 is in a precision instrumentation amplifier circuit. Medical equipment, sensor interfaces, and other applications where precise amplification of minute signal fluctuations is required frequently employ this kind of amplifier.

Circuit Connection Detail

- Signal Inputs: The positive and negative inputs from the sensor are connected to the non-inverting input (Pin 3) of the first op-amp and the inverting input (Pin 5) of the second op-amp, respectively. This configuration is crucial for differential signal amplification.

- Gain Setting Network: A resistor (Rgain) is connected between the output (Pin 1) of the first op-amp and the inverting input (Pin 5) of the second op-amp. Additional resistors (R1 and R2) are placed at the inputs and outputs to set the gain of the instrumentation amplifier. The precise setting of these resistors is essential for achieving the desired amplification factor.

- Power Supply Connections: The OPA2228U/2K5 is powered by connecting a positive voltage to the V+ pin (Pin 8) and a negative voltage to the V- pin (Pin 4). The wide supply voltage range of the OPA2228U/2K5 allows it to be used in various operating conditions.

- Output and Bypassing: The amplified output signal is obtained from the output of the second op-amp (Pin 7). Placing bypass capacitors close to the power supply pins will reduce noise and guarantee steady functioning of the OPA2228U/2K5.

Design Considerations

When designing a precision instrumentation amplifier with the OPA2228U/2K5, several key aspects must be taken into account:

- Gain Accuracy: The accuracy of the gain setting components (Rgain, R1, R2) is crucial. Precision resistors should be used to ensure the gain remains stable over temperature and time.

- Power Supply Quality: The performance of the OPA2228U/2K5 can be significantly affected by power supply noise. Implementing proper decoupling techniques and using low-noise power supplies are vital.

- Thermal Management: Although the OPA2228U/2K5 is designed for efficient operation, managing heat in compact designs is important to maintain accuracy and reliability.

- Input and Output Impedance Matching: Ensuring proper impedance matching at the input and output stages can greatly affect the signal integrity and the overall performance of the amplifier.

Utilizing the OPA2228U/2K5 in a precision instrumentation amplifier application leverages its dual-channel configuration, high accuracy, and low noise characteristics. Proper design considerations and component selection are essential to maximize the performance of the OPA2228U/2K5, ensuring precise and stable signal amplification in high-accuracy applications.

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(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 OPA2228U/2K5.

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

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