SN65HVD78DGK
Single Transmitter/Receiver RS-422/RS-485 8-Pin VSSOP TubeSN65HVD78DGK
Single Transmitter/Receiver RS-422/RS-485 8-Pin VSSOP Tube
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Manufacturer Part # : SN65HVD78DGK
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Package/Case: VSSOP-8
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Brand: Texas Instruments
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Product Categories : Drivers, Receivers, Transceivers
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
Example
Tape and Reel
Cut Tape
Tube or Tray
SN65HVD78DGK DataSheet
Pricing (USD)
Quantity | Unit Price | Ext. Price |
---|---|---|
1 | $3.532 | $3.53 |
200 | $1.368 | $273.60 |
500 | $1.320 | $660.00 |
1000 | $1.296 | $1,296.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
This product combines a differential driver and receiver, both operating from a single 3.3-V power supply. The integrated bus port allows for half-duplex communication, making it suitable for various applications. Additionally, the wide common-mode voltage range enables multi-point functionality over long cable runs. Operating within a temperature range of –40°C to 125°C, the SN65HVD78DGK is built to perform reliably in extreme conditions
Key Features
- High-speed transmission
- Fault-tolerant design
- Low power consumption
- Safe and reliable operation
- Compact 8-Pin SOIC package
- Robust thermal shutdown protection
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Number of receivers | 1 | Number of transmitters | 1 |
Duplex | Half | Supply voltage (nom) (V) | 3.3 |
Signaling rate (max) (MBits) | 50 | IEC 61000-4-2 contact (±V) | 12000 |
Fault protection (V) | -13 to 16.5 | Common-mode range (V) | -7 to 12 |
Number of nodes | 200 | Features | IEC ESD protection |
Isolated | No | Supply current (max) (µA) | 950 |
Rating | Catalog | Operating temperature range (°C) | -40 to 125 |
Specification Comparison
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is SN65HVD78DGK?
The SN65HVD78DGK is a fault-protected RS-485 transceiver designed by Texas Instruments. It is specifically designed for half-duplex communication over long cable runs in harsh industrial environments, making it suitable for applications such as industrial automation, motor control, and HVAC systems.
How Does SN65HVD78DGK Work?
The SN65HVD78DGK works by providing a differential balanced transmission line interface for serial data communication. It includes built-in protection features to withstand harsh electrical environments, such as overvoltage protection and common-mode transient immunity. The transceiver supports data rates up to 250 kbps, enabling reliable communication over long distances.
How Many Pins does SN65HVD78DGK have and What are the Functions of the Pinout Configuration?
The SN65HVD78DGK is housed in an 8-lead MSOP (Mini Small Outline Package) package. The pinout configuration includes:
- A: Driver output, non-inverting.
- B: Driver output, inverting.
- GND: Ground pin.
- DE, /RE: Driver input pins for enabling and disabling the driver.
- VCC: Power supply pin.
- RX, /TX: Receiver input and output pins.
What are the Pros and Cons of SN65HVD78DGK?
Pros:
- Harsh Environment Operation: Designed to withstand overvoltage and common-mode transients for reliable operation in industrial environments.
- Fault Protection: Built-in features for protecting the transceiver and the connected microcontroller from harmful electrical events.
- Low Power Consumption: Operates with low power, suitable for battery-powered systems.
- Small Package: The MSOP package is space-efficient, allowing for compact designs.
Cons:
- Lower Data Rate: Supports data rates up to 250 kbps, which may be lower than some high-speed communication applications.
- External Components: May require additional external components for optimal performance in specific applications.
- Single Transceiver: The SN65HVD78DGK is a single-channel transceiver, which may not be suitable for multi-node networks.
Are There Any Equivalents/Alternatives to SN65HVD78DGK for Recommendation?
- The MAX3485 from Maxim Integrated is a similar fault-protected RS-485 transceiver with a low-power shutdown mode.
- Alternatives to the SN65HVD78DGK include the LTC2855 from Analog Devices and the DS1486 from STMicroelectronics.
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