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Name: OPA124U
Brand: Texas Instruments
SKU: OPA124U
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 OPA124U

Part No.:: OPA124U

Manufacturer:: Texas Instruments

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

Datasheet:

Description:: IC OPAMP GP 1 CIRCUIT 8SOIC

In Stock:: 3639

Quantity:: Add To Cart

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OPA124U Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Bulk,Tube
Series:
Difet®
ProductStatus:
Obsolete
AmplifierType:
General Purpose
NumberofCircuits:
1
OutputType:
-
SlewRate:
1.6V/µs
GainBandwidthProduct:
1.5 MHz
-3dbBandwidth:
-
Current-InputBias:
1 pA
Voltage-InputOffset:
200 µV
Current-Supply:
2.5mA
Current-Output/Channel:
10 mA
Voltage-SupplySpan(Min):
10 V
Voltage-SupplySpan(Max):
36 V
OperatingTemperature:
-25°C ~ 85°C
MountingType:
Surface Mount

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OPA124U information

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OPA124U Typical application Circuitry

OPA124U

Precision operational amplifiers, or op-amps, like the OPA124U are renowned for their low input bias current, high speed, and low noise.

Key Features of the OPA124U

- Low Noise: Ideal for applications where signal integrity is critical, ensuring clear signal amplification without significant interference.

- High Speed: Offers rapid response times, suitable for fast signal processing and active filtering needs.

- Low Input Bias Current: This is important for precise measurements because it reduces mistakes in high-impedance input circuits.

- Wide Supply Voltage Range: Supports a broad spectrum of power supply levels, enhancing flexibility in system design.

- Single Supply Operation: Capable of operating with a single power source, simplifying power supply design, especially in portable applications.

Application Scenario: Active Low-Pass Filter for Analog Signal Conditioning

A practical application for the OPA124U is in designing an active low-pass filter, which is fundamental in analog signal conditioning to remove high-frequency noise before further processing or digital conversion.

Detailed Circuit Connection

1.Signal Input: Connect the analog signal source to the non-inverting input (Pin 3) of the OPA124U. This step is critical for preserving the original signal characteristics without phase inversion.

2.Filter Configuration: To create a low-pass filter, attach a resistor from Pin 2 to ground and connect a feedback capacitor from Pin 6 to the inverting input (Pin 2). This configuration is key to defining the cutoff frequency of the filter and ensuring effective noise reduction.

3.Gain Adjustment: To set the desired gain, add a resistor in series with the feedback capacitor and another resistor from the non-inverting input (Pin 3) to ground. Precise selection of these resistor values is essential for achieving the correct filter gain and maintaining signal integrity.

4.Power Supply: Power the OPA124U by connecting a positive voltage to Pin 7 and a negative voltage to Pin 4, or ground for single supply operations. Ensuring a stable and clean power supply is paramount for minimizing operational noise and achieving accurate signal amplification.

5.Output Connection: The filtered signal is available at the output (Pin 6), ready for further processing or digital conversion. Keeping this signal path short and well-shielded is crucial for preserving signal quality.

Design Considerations

When integrating the OPA124U into an active low-pass filter circuit, several important factors must be carefully considered:

- Power Supply Purity: A clean and stable power supply is crucial to fully exploit the low noise benefit of the OPA124U.

- Component Precision: Use precision components in the feedback network to maintain the accuracy of the filter's cutoff frequency and gain settings.

- Thermal Stability: Consider the impact of temperature variations on the OPA124U and passive components, opting for components with low temperature coefficients to minimize drift.

- Signal Path Integrity: Design the signal paths to minimize losses and interference, ensuring high-fidelity signal processing.

- PCB Layout: Optimize the PCB layout to reduce noise coupling, particularly around the OPA124U inputs and outputs, to preserve signal quality.

By addressing these design considerations, engineers can effectively utilize the OPA124U in creating sophisticated, high-precision active low-pass filters, leveraging its exceptional accuracy, low noise, and efficient power consumption features.

OPA124U FAQ

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3. Are the OPA124U price and inventory displayed accurate?

The price and inventory of OPA124U fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of OPA124U?

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 OPA124U we delivered, we will accept the replacement or return of the OPA124U 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 OPA124U.

(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