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  Alexander Jamshedi

  • 2 months ago
  • Data converters
  • Data converters forum

  DAC7551-Q1: Not seeing expected Vout

  • Resolved

  will eventually need to provide a buffered reference ( REF3125 ), but I am hoping using the Teensy 4.1 in the mean
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  Bryan Lizon86

  • 25 days ago
  • Data converters
  • Data converters forum

  RE: ADS1258: How to use PGA281 with ADS1258?

  Hi Poh, Thanks for providing these additional details. Given your configuration, the PGA281 should work in your system. Please note that the input range of the PGA281 extends beyond the input range of the ADS1258 MUX. Therefore, as long as you are...
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  Abhinav.Sharma

  • over 1 year ago
  • Power management
  • Power management forum

  RE: REF3125: REF3125AQDBZRQ1 & REF3112AQDBZRQ1 fit

  Shinu, I have taken this offline with you to provide your requested information. Closing this thread. Thanks, Abhinav.
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  santosh birari

  • 8 months ago
  • Data converters
  • Data converters forum

  RE: ADS1274: Unable to achieve number of Samples per second

  Hello Keith, we took care about adc input in hardware which in the of 0v to +1v 1st ADC has Volt ref. from ref3125 which is adjust to 1.1 volt and 2nd ADC has Volt ref through adc buffer AD825 as we are not able to improve waveform like square wave...
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  Marcoo Z

  • 5 months ago
  • Power management
  • Power management forum

  RE: REF3025: Reverse current on output for REF30XX

  Hi BR, I can help you with this request. What are the sizes on R1 and R2? The REF3025 cannot sink current and maintain proper regulation. I would recommended a REF3125 or REF3325 which are P2P which can sink current.
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  Marcoo Z

  • 10 months ago
  • Power management
  • Power management forum

  RE: LM4120: LM4120 Notation

  Hi Arin, The LM4120 is a "I" grade device. This means that it is "I" for industrial and thus a ambient temperature of -40C to 85C as shown in the RoC. The Tj, Juction temperature, can be higher up to 125C but we do not recommend...
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  Bonnie Baker - WEBENCH Design Center

  • over 5 years ago
  • Amplifiers
  • Amplifiers forum

  RE: Quad OPA4209 heat problem

  I understand your dilemma. I am hoping that the REF3125 solves your problem. It seems to be a better reference as well.
• 

  Joseph Wu

  • over 5 years ago
  • Data converters
  • Data converters forum

  RE: ADS1258 - Questions about Reference Circuit in Datasheet

  Ming, It took me some time to go through the circuit. There have been a lot of questions today and I wanted to make sure that I understood what each part was doing. First let's start with the reference. With the REF3125 the inputs are set...
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  Shridhar%20More

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

  RE: ADS7959's reference input

  Hello Pinar, The reference input to ADS7959 is not internally buffered. The external circuit will be presented a switched cap load. The worst case switch cap load is expected to be 8.2pF. If you plan to use resistive divider to generate 2.5V...
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  Joseph Wu

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

  RE: ADS1246 RDATAC consistent reading issue, spike every couple of minutes.

  Dian, First, can you let me know which each trace is for the scope shots? I'm guessing that yellow is /CS, and blue is SCLK, I assume that DOUT is either purple or blue. It would be nice to capture /DRDY as well (if you have to remove one of...

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