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    Answered

  • DAC7731: S/O: 218291

    Resolved
    Part Number: DAC7731 Tool/software: Hi All, Good day. MAy I know what is the correct marking for this PN# DAC7731EC? I got the parts with top marking "DAC7731E" instead of "DAC7731EC". See attachment. However, I think the correct…
    • Resolved
    • Answered

  • DAC7731: DEVICE MARKING

    Resolved
    Part Number: DAC7731 Hi, I'm having this part : DAC7731EC/1K (Date Code: 2325) Datasheet: Marking : DAC7731E C 1) However my physical part marking does not have the "C". Was this remove as per the PCN. What is the C stand for and if my part…
    • Resolved

  • DAC7731: how to configure pins 16 and 22.

    TI Thinks Resolved
    Part Number: DAC7731 Dear Expert This is the schematic diagram before the change. We tested that applying surge interference would cause abnormal output of pin 11 . The customer changed RSTSEL to add a pull-down 10K resistor, and RST to add a power down…

  • RE: DAC7731: DAC7731EC

    Hi Chen, I cannot comment if every device has a unit TI logo or identifier on the DIE. I believe you should reach out to the distributor you purchased the devices from and request a quality evaluation. Thanks, Paul

  • DAC7731: REFEN pin is suspended

    Part Number: DAC7731 Hi team, One of our customers has the following questions: When the output of dac7731 is designed to be 0-10V and the internal reference is used, the REFEN pin is suspended and not connected to GND. Previously, more than 100 DAC chips…

  • DAC7731: DAC7731EC

    TI Thinks Resolved
    Part Number: DAC7731 Hi, we are using DAC7731EC (3Nos) in our application. Datasheets suggests to follow powers up sequence as VSS followed by VDD and then VCC. Please let us know what would be the consequences if power up sequence is missed. Thanks…
    • Answered

  • DAC7731: DAC7731 / Supply sequence

    Resolved
    Part Number: DAC7731 Other Parts Discussed in Thread: TPS7A39 Hi, I understand that the recommended supply sequence is VSS -> VCC -> VDD as comment below from DS. The following supply sequence must be followed: VSS (device substrate) first, then…
    • Resolved

  • DAC7731: What does the silk print on the package mean?

    TI Thinks Resolved
    Part Number: DAC7731 Hi What does 88Z04MV on the package mean? Is there batch information? Thanks. Jerry
    • Answered

  • DAC7731: Similar part that can run over an I2C/SPI input

    Resolved
    Part Number: DAC7731 http://www.ti.com/lit/ds/symlink/dac7731.pdf Hello, In reference to the above link I was wondering if you could provide a similar part (DAC output 0-10VDC) but instead of SDI and SDO we need to work with I2C or SPI. Any suggestions…
    • Resolved
    • Answered

  • DAC7731 output hung at 12.2VDC

    Resolved
    Other Parts Discussed in Thread: DAC7731 Recent PCB update of a 10 year old product with no changes to DAC layout (change to different micro). Output of DAC7731E remains hung at 11.2VDC regardless of what we do. Tried stuffing blank board with ONLY 7731…
    • Resolved
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