Part Number: PGA308 Hi there,
I am using the TI USB DAQ and PGA308EVM software to program our PGA308 on our own PCBA. I am able to program our PGA308 using the GUI and verify that the RAM values change but the Vout values remain negative regardless…
Hello KoT,
The PGA308 input impedance is very high, ~30 GΩ typical as specified on the PGA308EVM datasheet. The input bias current is ±0.3nA typical and ±1.6nA maximum (Input Bias Current is specified on p.3 of the PGA308 datasheet ). A differential…
Part Number: PGA308 Other Parts Discussed in Thread: , PGA309 Hello
My customer has some questions about PGA308EVM software. They are reading ppt file in PGA308EVM Video Quick-Start User Guide (part 2)(sbfc033).
Q1) Offset adjustment in page 824 of…
HI Matt,
I will be contacting you today via email regarding the issue with the Multi-Cal-Master board.
The PGA308 Multi-Cal system demonstration board is based on the PGA308EVM evaluation module.
There is a series of videos that discuss the PGA308EVM…
Hi Robert,
Thank you for providing this additional information. I have many concerns about this implementation.
First, you will not be able to resolve your target sensor output of 0.5mA-4.59mA using a breadboard implementation of the PGA308. Breadboards…
Hi Yang,
I need additional information to be able to answer your question and/or debug the problem.
1) Can you please explain: is this a 3-wire, or 4-wire voltage output module? or a current output module?
2) Kindly confirm the USB-DAQ jumper settings…
Hi Safeer,
We do not have a library specific for the PGA308 with the Arduino controller, however, the PGA308 uses a UART-compatible 1-wire protocol, which should be supported (or have example code) on most microcontrollers.
Detailed information on…
Hi Tobias,
You have mentioned that you have confirmed that the OTP's are not being programmed.
-Are you using the PGA308EVM USB DAQ controller to program your PGA308 Custom board or are you using a different controller/different software?
- When…
Hi Ian,
Thank you for your support.
Q1: For your reply, many answers are in the PGA308 User's Guide(Rev. B). But there is also the PGA308 User's Guide(Rev. A) in the website.
I would like to verify which version User's Guide we should refer to…
Hi KoT,
1. The PGA308 is an instrumentation amplifier designed to connect to bridge sensors providing digital calibration for offset, gain and fault detection functions.
The bridge excitation circuit is external to the PGA308 amplifier. Therefore…
