• State Resolved
  • Locked Locked
  • Replies 3 replies
  • Subscribers 34 subscribers
  • Views 143 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

AM26LV32E: supply voltage of AM26LV32E and AM26LV31E

kenji.kodama
Part Number: AM26LV32E
Other Parts Discussed in Thread: AM26C31, AM26C32
Can the power supply voltage of AM26LV32EIRGYR and AM26LV31EIRGYR be used at 5V?
  • +1
    Guru 262920 points

    5 V is inside the absolute maximum ratings, so the device will not be damaged.
    5 V is outside the recommended operating conditions, so correct operation is not guaranteed.

    There are 5 V devices like the AM26C31/32, but they do not have the same ESD protection.

  • +1
    TI__Mastermind 45847 points

    Hi Kenji,

    Clemens is correct. I wouldn't advise using this device at VCC = 5V as this device is not designed for 5V operation (it is a 3.3V part - the "LV" in part number means low voltage - which 3.3V (nominal) is the lowest voltage supply you will see for RS-422).

    That being said the AM26C31 and AM26C32 are the 5V quad RS-422 parts - they don't have the improved ESD ratings - but if your system already has , or plans to add, protection diodes on the bus (which is very common) a lot of the time the diodes themselves will have higher ESD protection that adds a higher ESD protection to the communication node. 

    Best,

    Parker Dodson 

  • 0

    Thank you everyone for your replies.
    Reply is very helpful to me.

    best regards.