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  Gecko

  • 2 months ago
  • Data converters
  • Data converters forum

  RE: ADS4122: Direct Clocking

  Jim, Thanks for the referencing.I have already considered these points. As I hold these requirements, I should be able to use this device. Thre might be an issue with the performance parameters as SNR etc. as I have a non-ideal clock (The change in...
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  jim s

  • 3 months ago
  • Data converters
  • Data converters forum

  RE: ADS4122: ADS high speed ADCs clocking : combine low jitter and high temperature stability

  Victor, At low sampling frequencies, jitter does not effect performance as much. What kind of numbers are they getting now? Are they within the data sheet specs? What is the actual part number of the oscillator? What is the analog input frequency they...
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  Mochi

  • over 1 year ago
  • Data converters
  • Data converters forum

  RE: ADS4122: Recommended driver

  Hi Alec, Thank you for your suggestion. In this moment, our customer try to add input voltage clamp at ADC input pin to secure below 2.1V ABS max specification. It would be ideal solution, if we can find 1.8V rated FDA or 3.3V rated ultra low power...
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  cafain

  • over 2 years ago
  • Data converters
  • Data converters forum

  ADS4122: serial communication and LATECY setting

  • Resolved

  Part Number: ADS4122 Hi, Please tell me about setting with serial communication setting method Q1
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  jim s

  • over 1 year ago
  • Data converters
  • Data converters forum

  RE: ADS4122: Consumption current of device thing (device difference?)

  Cafain, You are correct. This is a typo in the data sheet. This will be corrected in the next release of the data sheet. Regards, Jim
• 

  jim s

  • 9 months ago
  • Data converters
  • Data converters forum

  RE: ADS4128: data converters application

  Ashok, See TI Design number TIDA-00942 for an example. This design uses a Sitara processor with an ADS4122. Go to the link below for more info. Regards, Jim www.ti.com/.../TIDA-00942 designs beagle bone black&tisearch=Search-EN-Everything
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  Pablo Martin26

  • over 3 years ago
  • Data converters
  • Data converters forum

  ADS4122: Interfacing high speed ADCs to Microcontroller

  Answer Suggested

  Part Number: ADS4122 Hi all, I am working on a project in which I need to sample and convert a 1.5MHz signal. I was hoping to find a microcontroller with a built-in fast enough ADC for this task but it is very hard to find uC with ADCs capable of more...
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  user449490

  • over 3 years ago
  • Data converters
  • Data converters forum

  ADS4122 used in simultaneous sampling system

  TI Thinks Resolved

  i want to use multiple ADS4122 into a multiple channel simultaneous sampling system. But I can't find a pin or a register to synchronize the samples of mulitiple ADS4122. So who can offer a method for this simultaneous sampling and makes multiple...
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  Kuramochi Tadahiko

  • over 4 years ago
  • Data converters
  • Data converters forum

  ADS4122 RCR filter

  • Resolved

  Hi, My customer measures the analog input-pin voltage on the condition that analog input-pin is open. Then there is the noise synchronized sampling clock. The waveform is following; It is mentioned about RCR filter on the figure 105. of the datasheet. What is this filter? Is this filter related to improve...
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  Kuramochi Tadahiko

  • over 4 years ago
  • Data converters
  • Data converters forum

  ADS4122 how to improve the glitch

  Hi, My customer is troubled that amplitude of the glitch is large after the aperture delay. Please refer following the waveform. They tried to add the filter(50Ω and 3.3pF), however there is no improving. Could you please introduce how...

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