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  • ADC121S021 Serial Timing question

    Resolved
    Other Parts Discussed in Thread: MSP430FR5739 , ADC121S021 I'm using an ADC121S021 hooked up to an MSP430FR5739. I am getting incorrect data back from the converter. I am wondering if it has something to do with the serial timing used or sleep/normal…
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  • ADC121S021 Power on Reset(POR) and Power sequence with SPI

    Resolved
    Other Parts Discussed in Thread: ADC121S021 Hello, I would like to confirm the power on reset(POR) and power sequence for ADC121S021. 1. Does this device have the POR circuit? If it does, please let me know the condition required reset. 2. Is there requiring…
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  • Inquiry of the ADC121S021 usage

    Resolved
    Other Parts Discussed in Thread: ADC121S021 Hello All. I have a question about ADC121S021 from customer(SMC). Q1 About SDATA(5pin), Would you please teach me the limit level of the SINK electric current? Q2 Customer wants to let the first side (approximately…
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  • Data fluctuate when reading 1.2 V battery by ADC121S021

    TI Thinks Resolved
    Other Parts Discussed in Thread: ADC121S021 , LM1117 Hi All, I use ADC121S021 to measure analog signal from 1.2V battery and send data via PIC18F4550 microcontroller from microchip. I can correctly measure voltage from battery but the data fluctuate about…

  • TMS320C5517: Can I use 2 dma channels,both with interrupt?

    TI Thinks Resolved
    Part Number: TMS320C5517 Other Parts Discussed in Thread: ADC121S021 First, I'm using DMA controller1 for AD/DA transmitting. I use 3 channels of DMA controller1, and all three of them use interupts, and there is no problem with that. But these three…
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  • RE: ADC121S101-Q1 SCLK frequency and Conversion accuracy

    Resolved
    Hello, The ADC121S021 is part of the same family of parts as the ADC121S101-Q1 (they are based on the same design). You should see performance close to what is shown in the ADC121S021 datasheet. Please remember though, that the performance that is…
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  • Process technologies

    Resolved
    Other Parts Discussed in Thread: ADC121S051 , ADCS7476 , ADC121S101-Q1 , ADS7883 , ADC121S101 , ADC121S021 , ADS7886 , ADS7866 Hello, I would like to find out the process technologies (CMOS IC processing) for the following parts: ADS7866, ADS7883, ADS7886, ADCS7476…
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  • ADC121 under 50ksps

    Resolved
    Other Parts Discussed in Thread: ADC121S021 Hello, I'd like to run ADC121 at 4ksps but the datasheet specifies the performance within the 50ksps-200ksps range. Is it possible or I would working out of specifications? If it possible, what drawbacks should…
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  • OPA 381 stability problem

    Resolved
    Other Parts Discussed in Thread: OPA381 , ADC121S021 Hello to all, I am having a stability problem with the OPA381 op amp, which is I am using to measure the photo diode current from 500nA to 3uA. The photodiode (Hamamatsu S1223) capacitance is 10pF. For different…
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