TS5A3166-Q1: Switches & multiplexers forum

Hi Bhav,

Could you please clarify which figures are different? From what I'm seeing for INO(PWROFF) and ICOM(PWROFF) in sections 7.6, 7.7, & 7.8, all refer to Figure 14.

Best,
Katy

Hi Katy,

Thank you for your speedy response.

By 'figures' I meant the leakage current numbers specified.  I've summarised from the datasheet as follows:

Datasheet Section , INO(PWROFF) [uA], ICOM(PWROFF) [uA]
7.6 (3.3 V)              , ±  5  uA                   , ±  5  uA
7.7 (2.5 V)              , ± 15 uA                   , ± 15 uA
7.8 (1.8 V)              , ± 10 uA                   , ± 10 uA

Here are the excerpts these numbers have been summarised from:

From Section 7.6:

From Section 7.7:

From Section 7.8:

As you can see, the 3 sections have 3 different leakage currents specified, but the test conditions are all the same i.e....

- Vcom = 0 to +3.6 V
- VNO = 0 to +3.6 V
- Tambient = -40 C to + 85 C
- V+ = 0 V (unpowered)

Please could you clarify, why the leakage numbers specified are different in the 3 sections, when the test conditions appear to be identical?  Is this correct?

Look forward to hearing from you.

Many Thanks,
Bhav

Hi Bhav,

Thanks for the clarification. Yes, I agree that something is off here. This part is over 10 years old, so I don't have an immediate answer on what is correct, but I have brought it up to the team and we are looking into it.

Please let me know if you need any other help!

Best,
Katy

Thank you for following this up Katy.

Any urgency you can put on this request would be hugely appreciated.

Look forward to hearing from you.

Many Thanks,

Bhav

Hi Bhavesh,

As we will have to allocate resources to re-take data, I cannot guarantee a quick resolution. However, please know that we are working on getting this resolved.

If the difference between the specs is important to you, I would suggest either assuming the worst of the three option (+/-15uA) in your design, or taking the measurement in your setup.

Best,
Katy

Hi Katy,

Will TI guarantee that COM / NO pins (from any given part i.e. process variation) will not leak more than +/- 15 uA when powered down and driven with 0 to +3.6 V over -40 C to +85 C ambient conditions?

Look forward to hearing from you.

Many Thanks,
Bhav