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AFE5808: Found something different from the datasheet and the simulation model

Josel Go
Expert 6515 points
Part Number: AFE5808


Tool/software:

Hi Team,


I have some questions related to the integrated circuit AFE5808. I plan to do a PCB board with it, and I have downloaded the datasheet and also the simulation model for it. However, I found something different from the datasheet and the simulation model.

As I mentioned I tried to utilize the afe5808 on PCB, and I want to simulate it first to check if I have correctly configured it with my PCB design, I downloaded the PSPICE(website recommend) and TINA as well, but from the simulation schematic, the port definition shows something different from the datasheet 

I can not find some configured pins from the simulation model, and I also found some pins that were never mentioned as a pin for afe5808, but show in the simulation model, thus making me a bit confused about the simulation like the pin called" CLKP, CLKM, CLKP_16X, CLKM_16X, CLKP_1X, CLKM_X"...I didn't find in these simulation mode 

Regards,

Josel

  • 0
    TI__Expert 4711 points

    Hi,

    AFE5808 has two dies. VCA die and the ADC die. VCA die includes LNA, attenuator, filter, CW mixer. The simulation model support only TGC mode in VCA die. CLKP/CLKM is for ADC hence not available in model. CLK*_16/1x* is for CW mode which is not required when simulating for TGC mode hence you dont see those pins.

    Regards,

    Shabbir