Part Number: PGA300 Tool/software: Did anyone encounter the issue that in some power supply quick change, the DAC of the PGA300 will output the full scale, which will cause about 31 mA. (1.25V / 40ohm = 31 mA)
And if the sensor is powered off and repowered…
Part Number: PGA300
Tool/software:
I have an IC on hand marked ‘PGA300ARHH TI 36I C0ZQ G4’. From this, I would like to know the serial number, date of manufacture, LOT number, LOT quantity and other information, please let me know. Or is there…
Part Number: PGA300 Other Parts Discussed in Thread: PGA900
Tool/software:
Hello.
I have designed and built a pressure gauge using PGA300. With a constant power supply of 5V, no pressure fluctuation, and no temperature change, the current consumption…
Part Number: PGA900 Other Parts Discussed in Thread: PGA305
Tool/software:
I have some questions regarding the EVM and software as follows:
Issues related to .net
Issues related to the gain computation button
Corrupted PGA305 user’s guide
Issues…
Part Number: PGA900 Tool/software: I have some questions regarding the use of the DAC on the PGA devices as follows:
How do I get my +/-20mV input signal from my sensor to correspond to 0 to 3V on my DAC output?
What does it mean by ratiometric DAC…
Part Number: PGA900 Other Parts Discussed in Thread: PGA305 Tool/software: I have the following questions related to the ADCs on the PGA devices:
Can I float the ADC inputs?
What is the ADC sampling rate?
What temperature accuracy can I expect and what…
Part Number: PGA900 Tool/software: I have some questions regarding connecting external sensors to the PGA inputs. The questions are as follows:
If I want to use an external temp sensor instead of the internal, how do I set it up and use it?
If I want…
Part Number: PGA900 Other Parts Discussed in Thread: PGA300 , , PGA305 Tool/software: I'm trying to understand the polynomial used for the linearization and temperature compensation. How do I calculate the coefficients and how are they used?
Part Number: PGA900
Tool/software:
I have the following questions:
What is the EEPROM used for on the PGA devices?
Can undesignated bytes be used for other purposes?
What is the process of storing the coefficients in EEPROM?
I have negative coefficient…