DP83822I: VOH at VDD=3.3V

Kuramochi Tadahiko

Guru 28715 points

Part Number: DP83822I
Other Parts Discussed in Thread: TLK105

Hi,

VOH is specified as below;

On the other hand, my customer minds VOH at IOH=100uA, VDD=3.3V and need over 2.64V.

In actual capacity, can VOH be satisfied with over 2.64V on above condition?

Best Regards,

Kuramochi

over 5 years ago

0 Kuramochi Tadahiko over 5 years ago

Guru 28715 points

Vibhu-san,

Thank you for your help.

Voh is "output" voltage.

Could you check your previous reply?

Best Regards,

Kuramochi

0 Vibhu Vanjari over 5 years ago in reply to Kuramochi Tadahiko

TI__Genius 11900 points

Hello Kuramochi,

Sorry for the confusion, this indicates that the output high level will be at least above 2.4 V. Unfortunately the datasheet spec is all we can guarantee.

Why are you looking for 2.64? Can you please share more information?

Thanks,

Vibhu

0 Kuramochi Tadahiko over 5 years ago in reply to Vibhu Vanjari

Guru 28715 points

Vibhu-san,

>Why are you looking for 2.64? Can you please share more information?

Because VIH of the receiver(MCU) is guarantee by 2.64V(min).

However IOH is only 100uA.

Best regards,

Kuramochi

0 Kuramochi Tadahiko over 5 years ago in reply to Kuramochi Tadahiko

Guru 28715 points

And they are considering changing from TLK105 to DP83822.

Their VOH specification are different.

Best Regards,

Kuramochi

0 Vibhu Vanjari over 5 years ago in reply to Kuramochi Tadahiko

TI__Genius 11900 points

Hello Kuramochi,

Unfortunately the specifications do not overlap. The 2.4 V Voh on the DP83822 was measured in the worst case 4 mA setting. I suggest measuring this.

Thanks,

Vibhu

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DP83822I: VOH at VDD=3.3V