Part Number: PGA309
I am trying to use the multi-cal 309 system with my PGA 309 PCB design. I am using it as a "3 wire" connection with the one wire connection. I keep getting a communication error. I think I read the eeprom, although it does seem to be a default value.
Any help would be greatly appreciated.
Is it possible to get an schematic of the custom PGA309 board used on your set up?
I will experiment with your hardware settings on the PGA309 multi-cal EVM.
Thank you and Best Regards,
We are glad that we were able to resolve this issue, and will now proceed to close this thread.
If you have further questions related to this thread, you may click "Ask a related question" below. The newly created question will be automatically linked to this question.
In reply to Luis Chioye:
Thank you, Schematic attached.
In reply to Steven Pennington:
I will get a hold of the multical system, and expect to get back to you later this week.
I went ahead and set up the PGA309 Multi-Cal system with the PGA309EVM Test PCB on the 3-wire configuration.
On the PGA309EVM Test PCB board, I connected together the PGA309 Vout and PRG through the 'V2PRG' jumper as shown on the image below, with the device set up on the 3-wire configuration. The PGA309 Vout and PRG need to connect together, and then they both need to connect to the Multi-Cal-Interface connector Jx pin 1 (One-Wire connection) and Jx pin 5 (Vout connection) on the Multi-Cal-Interface board.
I am not able to reproduce a communication issue, unless I purposely do not connect Multi-Cal-Interface board connector Jx pin 1 to Vout+PRG.
Can you please let me know how are you connecting your custom PGA309 test board to the Multi-Cal-Interface board? For reference, please find attached the pdf schematic of the PGA309EVM test board, and also please see below an image of the jumper settings removing the XTR111; and configuring the PGA309 on the 3-wire configuration on the test board.
PGA309EVM_Test_PCB (muti-cal) schematic:
All content and materials on this site are provided "as is". TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right. No license, either express or implied, by estoppel or otherwise, is granted by TI. Use of the information on this site may require a license from a third party, or a license from TI.
TI is a global semiconductor design and manufacturing company. Innovate with 100,000+ analog ICs andembedded processors, along with software, tools and the industry’s largest sales/support staff.