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  • PGA855: Simulating PGA855

    Resolved
    Part Number: PGA855 Hi, I am experiencing an issue with the PGA855 PSpice model in PSpice for TI 23.1.0 (January 2024). The encrypted subcircuits within the model are not executing correctly, resulting in zero output regardless of input conditions…
    • Resolved

  • PGA855: PGA855 Input supply V

    TI Thinks Resolved
    Part Number: PGA855 Other Parts Discussed in Thread: ADS127L21 , PGA854 Hello, the PGA855 has a recommended Vs min of 8V. How would the part function if the Vs was 5V? My input signal is AC coupled to remove the DC offset from my sensor. Thank you,…

  • PGA855: Need for PGA855 in 1000V sensing circuit using RES60A315QDWVRQ1 and ADS9217

    Part Number: PGA855 Other Parts Discussed in Thread: ADS9217 , , THS4551 , THP210 Hi, We are considering the following signal chain for a voltage sensing application in an AC power supply system: 1000V input → RES60A315QDWVRQ1 → ADS9217 The…
    • Answered

  • PGA855: Bypassing the internal FDA stage

    Resolved
    Part Number: PGA855 Other Parts Discussed in Thread: THP210 , Hello, We are currently using PGA855 supplied with +-15V (both VS+,VS- and LVDD, LVSS) and after that we use THP210 FDA. Is there a possiblity to not use internal FDA of PGA855 to save…
    • Resolved

  • PGA855: Regarding Input and Output

    TI Thinks Resolved
    Part Number: PGA855 Dear Team, I came across this PGA849RGTR part which does Differential to Single ended Conversion with Variable gain controlled digitally. I am Planning to use this part in my design. The below mentioned are my requirements, Please…

  • PGA855: OFFSET VOLTAGE

    Part Number: PGA855 Other Parts Discussed in Thread: LM324 , LM324B , Hi, We are using the PGA855RGTR Programmable gain amplifer in a single ended configuration. Currently we are facing an issue where, with zero voltage input at R74, the output of U1C…
    • Answered

  • PGA855: PGA855 Simulated data

    Resolved
    Part Number: PGA855 Tool/software: Hi Caro, I have simulated this part using the macromodel, you can see the setup in the image below. VS+ = +18V, VS- = -18V, LVDD = 3.3V, LVSS = GND, A0=A1=A2=GND (Gain of 0.125), INN = GND, VOCM = 1.5V, INP = Step…
    • Resolved
    • Answered

  • ADS9219: Purpose of PGA855 in the ADS9219 voltage feedback signal chain

    Resolved
    Part Number: ADS9219 Other Parts Discussed in Thread: PGA855 , ADS9217 , THS4541 , THS4551 , Hi, We are reviewing the following application brief: www.ti.com/.../sbaa572a.pdf Figure 1 shows PGA855 between the voltage-sense input and ADS9219 ADC…
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    • Answered

  • PGA855EVM: PGA855 gain control inputs do not perform as datasheet states when inputs are floating

    Resolved
    Part Number: PGA855EVM Other Parts Discussed in Thread: PGA855 Hello, I have a design that uses the PGA855 and was able to test the same issue on the PGA855EVM. Issue: When the PGA855 is powered and the gain control inputs are floating, the A0:2…
    • Resolved
    • Answered

  • PGA855: Can PGA855 pin to pin drop in replace LTC6373IDFM?

    Resolved
    Part Number: PGA855 Tool/software: Hi team, May I know if PGA855 pin-to-pin replacement for the LTC6373IDFM are there any other recommended replacements? Thanks! BR, Jenny
    • Resolved

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