• ADS4222: 12Bits / Sample rate 50M/Paralle/+/-10V

  

  Chen Alex1

  TI Thinks Resolved

  Part Number: ADS4222 Other Parts Discussed in Thread: ADC3643 Tool/software: hi sir I need a ADC ,Spec as below 12Bits / Sample rate 50M/Paralle/+/-10V did you have any advise? thanks

  • 3 months ago
  • Data converters
  • Data converters forum

• ADS4222: How to synchronize two pcs ADS4222

  

  Xiaoqiang Shen

  Part Number: ADS4222 Hello, I am using 2 pcs ADS4222 to achieve 4 channels ADC as oscilloscope. But How to synchronize the sampling for these 4 channels?

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

• ADS4222: Schematic review of design ADS4222

  

  Xiaoqiang Shen

  Resolved

  Part Number: ADS4222 Hello, Need your help to review the schematic. 1) The application is for measure voltage from u0adc_in or u1adc_in from -100V to 100V. This application is likely an oscilloscope. 2) Sample rate of adc is 50M/s 3) U18 is LVDS clock…

  • Resolved

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

• ADS4222: clock input check

  

  Xiaoqiang Shen

  Resolved

  Part Number: ADS4222 Other Parts Discussed in Thread: CDCE72010 Hello, I am using 1.8V CMOS single end clock to drive ADS4222 clock input. As CLK_M is connected to VCM (0.95V), should it make CLK_P will exceed 1.8V? Any risk?

  • Resolved

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

• ADS4222: Layout package design

  

  Xiaoqiang Shen

  Resolved

  Part Number: ADS4222 Hello, Look at datasheet and lib from TI website. It seems all the vias in pad are opened in soldermask layer. From my experience, such via should be covered by soldermask green oil to avoid solder paste in vias. Could you check…

  • Resolved

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

• ADS4222: Can it works when switch CLKM and CLKP

  

  Xiaoqiang Shen

  Part Number: ADS4222 Hello, I am using LVDS input as clock input for pin 25 and 26. For better layout reason, I would like to exchange pin 25 and 26 routing. ( CLK- connected pin 25 CLKP, CLK+ connected pin 26 CLKM) I suppose it also should work when…

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

• ADS4222: processor reference design

  

  HS FAE Germany

  Resolved

  Part Number: ADS4222 Other Parts Discussed in Thread: ADS4122 , Hello, customer needs to sample 65MSPS, 14bit and is looking for interfacing to a processor. Do we have any Sitara reference design? Regards, Holger

  • Resolved

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

• ADS4222: PCB trace impedance requirement for clock input (LVDS)

  

  Xiaoqiang Shen

  Resolved

  Part Number: ADS4222 I suppose this clock input PCB trace also needs 100ohm differential impedance match. (LVDS clock) Please confirm.

  • Resolved

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

• ADS4222: layout trace impedance requirement of digital output to FPGA

  

  Xiaoqiang Shen

  Resolved

  Part Number: ADS4222 Hello, For digital interface (da0-da11) to FPGA, should I consider any pcb trace impedance control? 50 ohm or 100ohm?

  • Resolved

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

• ADS4222: The interface in serial resistor value

  

  Xiaoqiang Shen

  TI Thinks Resolved

  Part Number: ADS4222 The datasheet requires in serial resistor for CMOS interface to FPGA. how about the value? 10ohm ok? 1) interface of data output 2) interface of spi

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

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