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Name: DAC8740HRGET
Brand: Texas Instruments
SKU: DAC8740HRGET
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 DAC8740HRGET

Part No.:: DAC8740HRGET

Manufacturer:: Texas Instruments

Package:: 24-VFQFN Exposed Pad

Datasheet:: DAC8740HRGET.pdf

Description:: IC INTERFACE SPECIALIZED 24VQFN

In Stock:: 3907

Quantity:: Add To Cart

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DAC8740HRGET Specifications

Package/Case:
24-VFQFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Applications:
-
Interface:
UART
Voltage-Supply:
1.71V ~ 5.5V

DAC8740HRGET this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DAC8740HRGET 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 DAC8740HRGET 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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DAC8740HRGET information

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DAC8740HRGET Typical application Circuitry

DAC8740HRGET

The DAC8740HRGET is an advanced integrated circuit that combines a high-resolution digital-to-analog converter (DAC) with additional features tailored for industrial communication and control applications. Manufactured by Texas Instruments, this chip is designed to offer precise analog output control along with integrated HART (Highway Addressable Remote Transducer) modem capabilities, making it ideal for a wide range of applications in industrial automation, process control systems, smart transmitters, and remote sensing units.

Key Features and Parameters:

- High-Resolution DAC: The device includes a 16-bit DAC, providing precise control over analog outputs for accurate process adjustments.

- Integrated HART Modem: Facilitates communication in HART protocol-enabled networks, allowing for remote configuration, monitoring, and diagnostics of industrial equipment.

- Robust Interface Options: Features SPI (Serial Peripheral Interface) for digital communication, enhancing flexibility in system design and integration.

- Wide Operating Temperature Range: Engineered to operate reliably in the harsh conditions typical of industrial environments.

- Low Power Consumption: Optimized for efficiency, it is suitable for use in power-sensitive applications.

Application Scenario: Employing the DAC8740HRGET in a smart industrial valve controller, which regulates fluid flow in a process control system while enabling remote adjustments and monitoring through HART communication.

Detailed Circuit Design:

Configuring the DAC8740HRGET for use in a smart industrial valve controller involves attention to the following aspects:

1. SPI Communication Interface (MOSI, Pin 3; MISO, Pin 4; SCLK, Pin 5; CS, Pin 6): These pins must be connected to the SPI bus of the system's microcontroller. The connection is essential for transmitting digital commands to the DAC8740HRGET, facilitating precise control over the valve's position.

2. Analog Output for Valve Positioning (VOUT, Pin 20): This pin should be interfaced with the input of the valve's positioning mechanism. The high-resolution output from the DAC8740HRGET allows for fine-tuned adjustments to the valve, achieving precise control over fluid flow.

3. HART Communication Modem (HART_IN, Pin 18; HART_OUT, Pin 19): Interface these pins with the HART network. This setup enables the valve controller to communicate with a central control system or handheld configuration devices, providing capabilities for remote setup, diagnostics, and monitoring.

4. Power Supply and Grounding (VDD, Pin 24; GND, Pin 23): Ensuring a stable and clean power supply to VDD is critical for optimal operation. Proper grounding through GND is necessary to minimize electrical noise and ensure reliable performance of both the DAC and HART modem.

5. Output Signal Conditioning (VOUT, Pin 20): Applying filtering on the analog output might be required to eliminate noise and ensure a smooth signal for controlling the valve, thereby enhancing the precision of fluid flow regulation.

Design Considerations:

- Isolation Between Communication and Control Circuits: It's important to maintain electrical isolation between the DAC8740HRGET's digital communication interfaces and the analog control circuitry to prevent noise interference.

- Decoupling Capacitors for Power Stability: Placing decoupling capacitors near the DAC8740HRGET's power supply pins is essential for filtering out power supply noise, ensuring stable device operation.

- Protection Against Harsh Industrial Conditions: Implementing surge protection and electromagnetic interference (EMI) shielding is crucial to safeguard the device in industrial settings, ensuring long-term reliability and performance.

- Integrity of HART Communication: Careful layout and signal conditioning are necessary to maintain the quality of HART communication, essential for effective remote operation and monitoring of the valve controller.

By integrating the DAC8740HRGET into a smart industrial valve controller, one can leverage its high-resolution DAC output and HART communication capabilities for precise fluid control and enhanced remote interaction with the control system, demonstrating its effectiveness in complex industrial automation and process control applications.

DAC8740HRGET FAQ

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6. What is the process for return or replacement of DAC8740HRGET?

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 DAC8740HRGET we delivered, we will accept the replacement or return of the DAC8740HRGET 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 DAC8740HRGET.

(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