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  • TLV2556-EP: What to do with Unused inputs

    TI Thinks Resolved
    Part Number: TLV2556-EP Other Parts Discussed in Thread: TLV2556 If we are not using AINx inputs, should we pull em to gnd or whats best practice our design currently has them floating with 100pF caps on em which just seem wrong to float this input which…
    • Answered

  • TLV2556: Sampling Rate

    Resolved
    Part Number: TLV2556 Other Parts Discussed in Thread: TLC2543 , Hi Experts, Our customer is using TI TLC2543IDWR which has a 66k sampling rate, due to its unavailability they are moving to TLV2556IDW which has a 200k sampling rate. Will it be the better…
    • Resolved

  • TLV2556: Software identification between TLC2543, TLV2556, and TLV2553

    Part Number: TLV2556 Other Parts Discussed in Thread: TLV2553 , , TLC2543 Hello we are looking to use the TLV2556 and TLV2553 as alternates for TLC2543. With TLV2556 we have had issues with the CFGR2 being set to default mode (reads only channel 0 regardless…
    • Answered

  • TLV2556: Preferred method for reducing throughput to increase accuracy (reduce sampling error)

    Resolved
    Part Number: TLV2556 Other Parts Discussed in Thread: TLC2543 We are having some issues getting reliable readings from the TLV2556. It seems we are seeing sampling error due to large step changes in DC values between successive input channel. In the …
    • Resolved
    • Answered

  • TLV2556: Mixed signal read on ADC

    Resolved
    Part Number: TLV2556 Hi, I am using TLV2556 ADC for reading the voltage supply readings in my design. In circuit we have analog and digital supplies with different grounds. ADC is supplied from Analog supply and analog ground. In ADC channels I am reading…
    • Resolved

  • RE: TLV2556: Corrupted conversion readings from TLV2556 after short power down

    Hi Tom, We're still doing a little more testing, but changing to the TLV2553 seems to have resolved this issue.

  • TLV2556: Non-linearity OR error in LSB output codes

    Part Number: TLV2556 We are witnessing large non-linearities in the conversion output data. Using precision controlled voltage sources (inputs channel 0 and 1 for this test) I am able to see large jumps in output count value corresponding to what should…

  • TLV2556: IBIS Model

    TI Thinks Resolved
    Part Number: TLV2556 Other Parts Discussed in Thread: TLV2553 Hello, Is there an IBIS model available for TLV2556? I could not find one on the product page.

  • TLV2556: Zeros

    TI Thinks Resolved
    Part Number: TLV2556 The part responds to a reference readback, but returns zeros for all other channels when power is regained after a brownout less than one second in duration. Is this a known behavior, or could it be related to a premature assertion…

  • TLV2556-EP: ESD Rating

    TI Thinks Resolved
    Part Number: TLV2556-EP Other Parts Discussed in Thread: TLV2556 , Hi Team, we would like to confirm the ESD Level of this device, upon checking it is not on the datasheet. Thank you very much in advance.

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