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  • ADC3662: ADC3662 internal NCO

    Resolved
    Part Number: ADC3662 Dear TI, We are using a ADC3662 in our design with complex downconversion. One thing not clear from the datasheet is which component, I or Q, is obtained from the sine and which one from the cosine of the local oscillator. Thanks…
    • Resolved

  • ADC3662: ADC3662 Intermittent Analog Input "Lock-up" & Signal Attenuation Issue (~10% Occurrence)

    TI Thinks Resolved
    Part Number: ADC3662 Dear TI Technical Support Team, I am writing to request urgent assistance regarding a critical issue encountered with the ADC3662 in our 4-channel synchronous acquisition system. 1. System Setup: Configuration: 2x ADC3662…

  • ADC3662: Terminal processing when chB is not used

    TI Thinks Resolved
    Part Number: ADC3662 Tool/software: Hi I have a question about the ADC3662. Is there any specification for terminal processing when chB is not used? I couldn't read it from the data sheet. Best Regards, Kato

  • ADC3662: CLKP, CLKM driver

    TI Thinks Resolved
    Part Number: ADC3662 Tool/software: Hi, I want to connect ADC3662 to FPGA but I am struggling to find how can I drive sampling clock inputs CLKP, CLKM. What logic levels and/or driver I must use to have best performance? I read the datasheet but there…
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  • ADC3662: Hardware Reset

    Resolved
    Part Number: ADC3662 Tool/software: Hi, is there always a hardware reset needed after power-up phase? If yes, would it also be possible to keep the RESET pin at high from beginning, so: Thanks for help!
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  • ADC3662: Power up

    Resolved
    Part Number: ADC3662 Tool/software: Hi, the datasheet says that the REFBUF pin should be have a delay to the AVDD by 2ms: In the ADC3662EVM schematic is the REFBUF pin connected to AVDD directly via a jumper: So in my opinion there is no delay…
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    • Answered

  • ADC3662: INPUT RANGE FOR ADC3662

    Resolved
    Part Number: ADC3662 Other Parts Discussed in Thread: THS4541 In adc3662`s datasheet, chapter 6.6 say that input full scale is 3.2 Vpp and input commom model voltage is 0.95V. So the input range is from (0.95-1.6)V to (0.95+1.6)V. Is it right? However…
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    • Answered

  • ADC3662: ADC input protection

    Resolved
    Part Number: ADC3662 Other Parts Discussed in Thread: , THS4541 Tool/software: Hi, I'm using the ADC3662 with the THS4541 as FDA like at ADC3662EVM. In the datasheet of the ADC3662 it's mentioned that protection diodes may be needed to protect the…
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  • ADC3662: ADC3662 operation w/o digital filter

    Resolved
    Part Number: ADC3662 Other Parts Discussed in Thread: , ADC3661 Dear All we plan to use ADC366x 16 bit dual channel ADC for prototyping. From data sheet it is not understood how we can use ADC without any digital filtering (DDC)/decimation. Our interpretation…
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  • ADC3662: Overflow behaviour

    Resolved
    Part Number: ADC3662 Dear all, We are designing a board with the ADC3662 configured to use the internal DDC feature with complex decimation. We are wondering what will happen in case of an overflow? We do not see any dedicated pin or status bit…
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