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  • RE: TLV2548: Communication Issues With TLV2548

    Resolved
    If your ISO_VDD_5V0 is stable, then the only other thing I can think of is that somehow you are feeding SDO into a resistive divider or high impedance node.
    • Answered

  • TLV2548-EP: TLV2548-EP SPI communication under low-temperature conditions

    Resolved
    Part Number: TLV2548-EP Other Parts Discussed in Thread: TLV2548 , , TMS320F28377D Hello, I have a question about the TLV2548 chip, which behaves differently depending on whether it is operating at room temperature or at a low temperature. We are using…
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    • Answered

  • TLV2548: Code Example

    Resolved
    Part Number: TLV2548 There was a reference to an application note in one of the posts ( SLAA093a ) that had sample code for the setup and acquisition from the TLV254x ADCs. I can't find that AN. Is there another reference that has example / reference…
    • Resolved

  • TLV2548: Query regarding the Data reading time

    TI Thinks Resolved
    Part Number: TLV2548 Hi TI Team, We are using TLV2548CDWR to read analog voltage and current from different channels. We have some queries as part of that which is listed below. 1. In the datasheet it is mentioned like the total conversion time is 3.5us…
    • Answered

  • TLV2548: What data is returned during a configuration write cycle ?

    Resolved
    Part Number: TLV2548 I have an application where I periodically send configuration information to the ADC (after sampling 4 channels). The data sequence into the ADC goes as follows. Config Info, Channel 0, Channel 1, Channel 2, Channel 3, (repeat message…
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    • Answered

  • TLV2548-EP: The number of channels of TLV2548-EP

    Resolved
    Part Number: TLV2548-EP Other Parts Discussed in Thread: TLV2548 , TLV2544 , TLV1544 Is the number of channels of TLV2548-EP 4 or 8? The datasheet says: "The 4/8 analog inputs and three internal test inputs are selected by the analog multiplexer depending…
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  • TLV2548-EP: Sample and hold structure

    Resolved
    Part Number: TLV2548-EP Other Parts Discussed in Thread: TLE2022 , TLV2548 I am getting some unintended adjacent channel to channel coupling between an input channel of maximum input voltage (say 4.095V), and the adjacent channel of 0V. The inputs to the…
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    • Answered

  • TLV2548-EP: What is the SDO and EOC/nINT voltage level?

    Resolved
    Part Number: TLV2548-EP The Device has only one supply pin. What is the SDO and EOC/nINT voltage level? The that sheet shows the VOH (min). But it does not tell me if the pin has no load. In normal usage, the input port of its master device is in high…
    • Resolved

  • TLV2548-EP: TLV2548-EP INTEGRATION WITH TMS570LC4357-EP

    TI Thinks Resolved
    Part Number: TLV2548-EP Other Parts Discussed in Thread: TMS570LC4357 , Hello, I would like to integrate external ADC TLV2548-EP with TMS570LC4357 SPI4 channels. Please confirm whether the unused FS, nCSTART and nPWDN can be tied to VCC pin. Attached schematics…

  • TLV2548: SPI communication

    Part Number: TLV2548 Other Parts Discussed in Thread: TLV2544 I tied *CSTART *PWDN FS to V3.3. VCC is V3.3. Vref is 3.0V Using uC to control the *CS and SPI bus. CLK is around 1MHz. I can read and write CFR, but somehow I cannot get reasonable ADC reading…

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