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PCA9306-Q1: spec check

Arie Li
Expert 3390 points
Part Number: PCA9306-Q1
Other Parts Discussed in Thread: PCA9306

Hi experts,

Could you please help to share below spec of PCA9306-Q1? I can't find it in datasheet. Thanks.

  • Maximum recommended junction temperature Tj.max.
  • Input high and low level voltage for ENABLE pin (maximum and minimum).

Arie

  • 0
    TI__Mastermind 26826 points

    Arie,

    The PCA9306-Q1 does not spec a maximum junction temperature, it rather specs a maximum ambient operating temperature of 105°C. The junction temperature at this level is likely close to 125°C. Note that the non-Q1 PCA9306 does spec a maximum junction temperature of 125°C.

    The EN pin is not a logic input. Please note the connection diagram in the data sheet. It cannot be connected to a logic high/low signal. EN and VREF2 must be connected to the second side pull-up via a 200 kΩ or similar size resistor.

    Best,

    Danny