• SN65HVD78: Termination resistor and connecting more than one slave devices with the transceiver

  

  Sharan Ghimire

  Part Number: SN65HVD78 Hello, I am using above mentioned parts to convert TTL /cmos logic to rs 485 and i am wondering if i need a termination resistors and what value ( typically its 60 ohm on each side). Other question I have is: I have 2 slave devices…

  • 1 month ago
  • Interface
  • Interface forum
Answered

• SN65HVD78: Impedance of "R" pin and capacitance of "D" pin

  

  Ted Dager

  Resolved

  Part Number: SN65HVD78 Other Parts Discussed in Thread: THVD2450 Hi the SN65HVD78 and similar parts like (THVD2450) have the following structure on the Receive pin (datasheet page 16) I would like to know the impedance of the output stage ? or how to…

  • Resolved

  • 2 months ago
  • Interface
  • Interface forum
Answered

• SN65HVD78: Thermal pad on VSON package

  

  PetrJ

  Resolved

  Part Number: SN65HVD78 Hello, Is possible to connect Thermal pad (VSON package) to GND? There is no description in datasheet. In PIN table TP is missing. Below the package drawing, note 3. Is only written that, we must solder the TP to PCB, for better…

  • Resolved

  • 7 months ago
  • Interface
  • Interface forum

• SN65HVD78: SN65HVD78 Abnormal problem

  

  AJ Cheng

  TI Thinks Resolved

  Part Number: SN65HVD78 Hello Sir. We use the SN65HVD78 device, there is a state of abnormal operation. (As shown below) SPI_CLK_A/B signal, the converted CLK will be one less (red circle), which will cause our data transmission error. Please help provide…

  • over 2 years ago
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  • Interface forum

• SN65HVD78: parameter scale

  

  run Ren

  TI Thinks Resolved

  Part Number: SN65HVD78 Hi I used TI SN65HVD78 to test the A and B Pin of the chip, and the impedance was 300K. I want to know what is the range of normal impedance parameters of A and B Pin of this device? BR REN

  • over 1 year ago
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• SN65HVD78: Serial port to RS485

  

  Jerry Hsueh

  TI Thinks Resolved

  Part Number: SN65HVD78 Other Parts Discussed in Thread: THVD1451 , THVD1450 Hi Team I want to use SN65HVD78D to realize serial port to RS485. There are the questions about the connection of device pins. The Pin1 of sn65hvd78D is connected to RX, and…

  • over 1 year ago
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  • Interface forum
Answered

• SN65HVD78: Current consumption using SN65HVD78 in RX mode only?

  

  Bond - James Bond

  Resolved

  Part Number: SN65HVD78 Hello Interface Experts, Application is running in receiving mode only and transmitter is not used . There is a graph 8 given for the “dynamic supply current consumption Versus signaling rate”. Is it same for both transmitter…

  • Resolved

  • over 2 years ago
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Answered

• SN65HVD78: Receiver Data Error

  

  herbert lu

  Resolved

  Part Number: SN65HVD78 Hi Team, I use SN65HVD78 to transmit clock signal, its frequency is 12.5 MHz, and has a error. CH 3 is receiver out. RS485_TIE2E.pptx

  • Resolved

  • over 2 years ago
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  • Interface forum
Answered

• SN65HVD78: behaviour when supply voltage is switched off

  

  Stani Bell Ngoufack Tchoufack89

  Resolved

  Part Number: SN65HVD78 Other Parts Discussed in Thread: THVD1450 Hello, my customer would like to use the SN65HVD78 in a new design and had a question: he would like to know how the device would behave (digital input & output) in case its supply voltage…

  • Resolved

  • over 2 years ago
  • Interface
  • Interface forum
Answered

• SN65HVD78: Connection of exposed pad

  

  Matthias Schraner

  Resolved

  Part Number: SN65HVD78 Can or should the exposed pad be connected to GND? There is no information about this topic in the datasheet.

  • Resolved

  • over 3 years ago
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  • Interface forum

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