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Name: OPA547T-1
Brand: Texas Instruments
SKU: OPA547T-1
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 OPA547T-1

Part No.:: OPA547T-1

Manufacturer:: Texas Instruments

Package:: TO-220-7

Datasheet:: OPA547T-1.pdf

Description:: IC OPAMP GP 1 CIRCUIT TO220-7

In Stock:: 277

Quantity:: Add To Cart

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OPA547T-1 Specifications

Package/Case:
TO-220-7
Packaging:
Tube
Series:
-
ProductStatus:
Active
AmplifierType:
General Purpose
NumberofCircuits:
1
OutputType:
-
SlewRate:
6V/µs
GainBandwidthProduct:
1 MHz
-3dbBandwidth:
-
Current-InputBias:
100 nA
Voltage-InputOffset:
1 mV
Current-Supply:
10mA
Current-Output/Channel:
750 mA
Voltage-SupplySpan(Min):
8 V
Voltage-SupplySpan(Max):
60 V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Through Hole

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OPA547T-1 information

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OPA547T-1 Typical application Circuitry

OPA547T-1

The OPA547T-1 is a high-voltage, high-current operational amplifier (op-amp) designed for a wide range of applications requiring significant power output alongside precise control.

Key Features and Specifications

- High Output Current: The OPA547T-1 can deliver a continuous output current of up to 500mA, ideal for driving heavy loads.

- Wide Supply Voltage Range: It operates with supply voltages up to ±30V, providing flexibility in various electrical environments.

- Thermal Shutdown Protection: Includes built-in protection against overheating, enhancing the op-amp's reliability and safety in operation.

- Adjustable Current Limiting: Allows for the control of the maximum output current, protecting both the op-amp and the load from excessive current conditions.

- Versatile Application Potential: Suitable for a broad array of applications, including motor control, linear actuators, and high-power amplification.

Application Scenario: Motor Drive Circuit

A practical application for the OPA547T-1 is in a motor drive circuit, where it can be utilized to control a DC motor's speed and direction, making it an excellent choice for robotics, automated machinery, and process control systems.

Circuit Connection Detail

- Motor Connection: Directly connect the DC motor to the output (Pin 8) of the OPA547T-1. This enables the op-amp to drive the motor, leveraging its high-current output capability.

- Power Supply Connections: Apply a positive supply voltage (up to +30V) to the V+ pin (Pin 11) and a negative supply voltage (down to -30V) to the V- pin (Pin 4). The wide voltage range supports the OPA547T-1's ability to power the motor efficiently.

- Control Signal Input: The control voltage signal is applied to the non-inverting input (Pin 3) to regulate the motor's speed. The signal's magnitude directly influences the motor speed, utilizing the OPA547T-1's high-voltage operation.

- Current Limiting Configuration: Implement an adjustable current limit by connecting a resistor (Rset) between the current limit pin (Pin 10) and ground. This feature provides overcurrent protection, safeguarding the motor and the op-amp.

- Feedback for Enhanced Control: Establish a feedback loop from the output (Pin 8) to the inverting input (Pin 2) through a network of resistors to fine-tune the motor control. Feedback improves the accuracy and stability of the motor's speed and direction control.

Design Considerations

When designing a motor drive circuit with the OPA547T-1, several crucial factors must be carefully considered:

- Effective Thermal Management: The OPA547T-1 can generate considerable heat at high output currents. Employing heat sinks or cooling fans is crucial to dissipate heat efficiently and maintain operational stability.

- Stable Power Supply: Ensure the power supply can handle the current demands without significant voltage sag. Stability and cleanliness of the power supply are essential for consistent motor performance.

- Protection Circuits: In addition to the built-in current limit, implementing external protection features like diodes for back EMF protection can further enhance the circuit's durability and reliability.

- Load Characteristics: Understanding the motor's specifications, including its current draw and back EMF, is vital for optimizing the drive circuit and ensuring the OPA547T-1 operates within its safe operating area.

Utilizing the OPA547T-1 in a motor drive circuit takes advantage of its high-current driving capability, wide supply voltage range, and protective features like thermal shutdown and adjustable current limiting. These characteristics make the OPA547T-1 an ideal choice for applications requiring robust and precise control over high-power loads. Attention to thermal management, power supply stability, protection strategies, and understanding the load's dynamics ensures successful implementation and reliability of the motor control system.

OPA547T-1 FAQ

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3. Are the OPA547T-1 price and inventory displayed accurate?

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6. What is the process for return or replacement of OPA547T-1?

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 OPA547T-1 we delivered, we will accept the replacement or return of the OPA547T-1 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 OPA547T-1.

(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