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Name: OPA561PWPG4
Brand: Texas Instruments
SKU: OPA561PWPG4
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 OPA561PWPG4

Part No.:: OPA561PWPG4

Manufacturer:: Texas Instruments

Package:: 20-PowerTSSOP (0.173, 4.40mm Width)

Datasheet:: OPA561PWPG4.pdf

Description:: IC OPAMP GP 1 CIRCUIT 20HTSSOP

In Stock:: 3465

Quantity:: Add To Cart

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OPA561PWPG4 Specifications

Package/Case:
20-PowerTSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Discontinued at Mosen
AmplifierType:
General Purpose
NumberofCircuits:
1
OutputType:
-
SlewRate:
50V/µs
GainBandwidthProduct:
17 MHz
-3dbBandwidth:
-
Current-InputBias:
10 pA
Voltage-InputOffset:
1 mV
Current-Supply:
50mA
Current-Output/Channel:
1.2 A
Voltage-SupplySpan(Min):
7 V
Voltage-SupplySpan(Max):
15 V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

OPA561PWPG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including OPA561PWPG4 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 OPA561PWPG4 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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OPA561PWPG4 information

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OPA561PWPG4 Typical application Circuitry

OPA561PWPG4

The OPA561PWPG4 is a high-performance operational amplifier (op-amp) known for its high current and high voltage capabilities, designed to drive a wide range of loads with precision. It is capable of delivering up to 2.5A of continuous output current and operates with supply voltages up to ±35V.

Key Features and Specifications

- High Output Current: The OPA561PWPG4 can provide up to 2.5A of continuous output current, ideal for powering heavy loads.

- Wide Supply Voltage Range: Capable of operating at supply voltages as high as ±35V, this device provides versatility in a variety of electrical situations.

- Thermal Shutdown Protection: Includes built-in thermal protection to enhance reliability and prevent damage from overheating.

- Adjustable Current Limit: Features an adjustable current limit function, allowing for the protection of the load and the op-amp from excessive current conditions.

- Versatile Application Use: Designed for demanding applications that require significant power amplification along with precise control.

Application Scenario: Benchtop Power Supply

One practical application of the OPA561PWPG4 is in a benchtop power supply circuit, where it can be used to provide adjustable voltage and current to various electronic devices and circuits under test or development.

Circuit Connection Detail

- Voltage and Current Control: Implement voltage and current control loops using the OPA561PWPG4. This setup takes advantage of the op-amp's high-current capability and precise control to regulate the power supply output.

- Power supply connections: Connect the V+ pin (Pin 20) to a positive supply voltage of up to +35V, and connect the V-pin (Pin 10), to a negative supply voltage of up to -35V. The wide voltage range supports the OPA561PWPG4's ability to generate a variety of output voltages.

- Feedback for Voltage Regulation: Connect a feedback network from the output (Pin 11) to the inverting input (Pin 2), through a voltage divider to set the desired output voltage level. This feedback loop ensures precise voltage regulation.

- Current Sensing and Limiting: Include a current sensing resistor in series with the load and connect it to a dedicated current sensing circuit utilizing the OPA561PWPG4. By putting a resistor (Rset) between the current limit pin (Pin 4) and ground, you can adjust the current limit. This adjustable current limiting provides protection from overcurrent scenarios and allows for controlled current output.

- Thermal Management: Due to the high power dissipation potential, especially when driving heavy loads, implementing effective cooling solutions such as heatsinks or forced air cooling is critical.

Design Considerations

When designing a benchtop power supply with the OPA561PWPG4, several crucial factors must be considered:

- Power Supply Stability and Noise: Use high-quality components to ensure a stable and low-noise power supply. Incorporating filtering and decoupling capacitors close to the op-amp can minimize noise.

- Effective Thermal Management: Given the potential for significant heat generation, adequate cooling measures are essential to maintain operational stability and prevent thermal shutdown.

- Protection Features: Beyond the adjustable current limit, additional protection features like overvoltage, undervoltage, and reverse polarity protection circuits can enhance the power supply's reliability.

- Precision in Feedback Networks: The accuracy of voltage and current regulation depends on the precision of the feedback networks. Using precision resistors and stable reference voltages can improve the accuracy of the power supply.

Utilizing the OPA561PWPG4 in a benchtop power supply circuit leverages its high-current output, wide supply voltage range, adjustable current limiting, and precision control features. Because of these qualities, it's a great option for applications that need a reliable and precise power source. Attention to power supply quality, thermal management, protection strategies, and precision in feedback networks ensures the successful implementation and reliability of the benchtop power supply system.

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6. What is the process for return or replacement of OPA561PWPG4?

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 OPA561PWPG4 we delivered, we will accept the replacement or return of the OPA561PWPG4 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 OPA561PWPG4.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations