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Name: OPA2228UA/2K5G4
Brand: Texas Instruments
SKU: OPA2228UA/2K5G4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Texas Instruments OPA2228UA/2K5G4

Part No.:: OPA2228UA/2K5G4

Manufacturer:: Texas Instruments

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

Datasheet:: OPA2228UA/2K5G4.pdf

Description:: IC OPAMP GP 2 CIRCUIT 8SOIC

In Stock:: 2492

Quantity:: Add To Cart

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OPA2228UA/2K5G4 Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Discontinued at Mosen
AmplifierType:
General Purpose
NumberofCircuits:
2
OutputType:
-
SlewRate:
11V/µs
GainBandwidthProduct:
33 MHz
-3dbBandwidth:
-
Current-InputBias:
2.5 nA
Voltage-InputOffset:
10 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

OPA2228UA/2K5G4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including OPA2228UA/2K5G4 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 OPA2228UA/2K5G4 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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OPA2228UA/2K5G4 information

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OPA2228UA/2K5G4 Typical application Circuitry

OPA2228UA 2K5G4

The OPA2228UA/2K5G4 is a high-precision, low-noise operational amplifier (op-amp) that provides excellent accuracy and stability. It's part of the OPAx228 series of op-amps known for their dual-channel configuration, which makes them particularly suited for applications requiring dual amplification stages within a single package.

Key Features and Specifications

- High Precision: The OPA2228UA/2K5G4 offers very low offset voltage and drift, ensuring high accuracy in measurements and signal processing.

- Low Noise: Its low noise performance is ideal for sensitive applications like audio amplification and sensor signal conditioning.

- Dual Operational Amplifiers: Being a dual op-amp, it allows for compact circuit designs, saving space and reducing the number of external components.

- Broad Supply Voltage variety: To accommodate different application needs, the device supports a wide variety of supply voltages.

Application Scenario: Active Low-Pass Filter

One common application of the OPA2228UA/2K5G4 is in constructing an active low-pass filter. This type of filter is widely used in signal processing to remove high-frequency noise from a signal, such as in audio applications and data signal processing.

Circuit Connection Detail

- Input Connection: The input signal is connected to the non-inverting input (Pin 3) of the first op-amp within the OPA2228UA/2K5G4 package. This configuration ensures that the signal is buffered without any phase inversion.

- Feedback Network for Filtering: A resistor (R1) and a capacitor (C1) are utilized in the feedback loop between the first op-amp's output (Pin 1) and its inverting input (Pin 2) to construct the low-pass filter. The filter's cutoff frequency is determined by the values of R1 and C1.

- Output and Bypass: The filtered signal is taken from the output (Pin 1) of the first op-amp. A bypass capacitor (C2) may be placed between the power supply pins (V+ at Pin 8 and V- at Pin 4) close to the OPA2228UA/2K5G4 to reduce noise.

- Dual-Channel Utilization: The second op-amp within the OPA2228UA/2K5G4 package can be used for additional signal processing stages, such as further filtering or amplification, leveraging the dual-channel capability for efficient circuit design.

Design Considerations

When designing an active low-pass filter with the OPA2228UA/2K5G4, several factors must be carefully considered:

- Cutoff Frequency Calculation: The cutoff frequency (f_c) of the filter is determined by the formula $f_c = 1/(2\pi R1C1)$. Selecting appropriate values for R1 and C1 is critical to achieve the desired filtering effect.

- Power Supply Quality: The performance of precision op-amps like the OPA2228UA/2K5G4 can be significantly influenced by power supply noise. Using decoupling capacitors and ensuring a clean power supply are essential steps.

- Thermal Considerations: Although the OPA2228UA/2K5G4 is designed for stability, all precision op-amps generate heat. Proper thermal management practices should be followed, especially in designs with high ambient temperatures or confined spaces.

- Input and Output Impedance Matching: To prevent signal attenuation and ensure optimal performance, it's important to match the input and output impedances of the filter circuit with the preceding and following stages.

Using the OPA2228UA/2K5G4 in an active low-pass filter application capitalizes on its precision and low noise characteristics, enhancing signal quality and integrity. Proper design and attention to detail ensure that the OPA2228UA/2K5G4 performs optimally, delivering high-quality filtering in a compact and efficient manner.

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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.

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