Tool/software:
The problem that the chip cannot be used normally after PCN
The old project was previously usable normally, but now it cannot be used properly after involving PCN. Please help check which parts need to be modified and explain the reasons for the changes clearly. Thank you!
Hi Tonyx,
but now it cannot be used properly after involving PCN.
Yes, the following PCN is issued due to FAB change recently, and op amp's BW and open loop output impedance have changed. Can you be specific what is not working properly, so that I can modify the op amp circuit for you? What are the BW of TL3472 op amp in the design requirements.
https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/5488/PCN20230627002.1.pdf
Gains of the circuit for TL3472 op amps.
Also, I noticed that the circuit LC_5V and VCC_6V5 are not dampened properly. There will a Q on both 5Vdc and 6.5Vdc, and the circuit needs to be dequeued.
Best,
Raymond
