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  • PGA281EVM: PGA281 EVM measurement amplifier diagnostics

    Resolved
    Part Number: PGA281EVM Other Parts Discussed in Thread: PGA281 Tool/software: Hello everyone I have a TI PGA281 EVM measurement amplifier. While measuring on my test bench, an overvoltage on pins IN+ and IN- occurred and the amplifier stopped working…
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    • Answered

  • Question about the PGA281EVM

    Resolved
    Part Number: PGA281EVM Other Parts Discussed in Thread: PGA281 We have a Texas Instruments PGA281EVM module. During each measurement the LED (error) lights up. Everything is powered by +/- 15V (J5, J10, J9). During the initial tests, we connected +15V…
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    • Answered

  • RE: PGA281EVM: Basic Gain Experiment, Inquiries on Power Supply and Desired Output

    Resolved
    Hi Jerron, It appears that the PGA281EVM may be damaged. I will contact you directly via email shortly. Thank you, Best Regards, Luis
    • Answered

  • PGA281: PGA281

    Resolved
    Part Number: PGA281 Hi, team! I have a question about PGA281 power up sequence question. I tested PGA281EVM and tried to give 2.6V to IN-N and 5.2V to IN-P, gain=1(G4:G0=00011), VOCM=2.5V, and wanted to get 1.2V ~3.8 on VON and VOP, with VSP=15V…
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  • PGA281: PGA281 peformance test method

    Part Number: PGA281 Hi Expert, I am going to use PGA281 in my project and need to verify the performance of PGA281, can you tell me how to test below spec with PGA281EVM? Thank you! 1. Rin and Ro of PGA281 2.CMRR 3.Input offset current, input…

  • PGA281: Max BW for PGA281 and some advice

    TI Thinks Resolved
    Part Number: PGA281 Dear Sir/madam, Can I know, what is the bandwidth for this IC? What is the maximum frequency that we can input to the PGA281? Need your advice if following connection is alright? 2.1) I need a PGA281 to use for a FPGA’s ADC.…

  • RE: PGA281: Input floating issues

    Hi Shivakant, separating GND, DGND and AGND by ferrite beads is no good idea at all. Use the scheme shown in the EVM: www.ti.com/.../pga281evm Good catch, Luis! Kai
    • Answered

  • RE: PGA281: gain resistor 0 ohms

    Resolved
    HI Andrew, On the PGA281EVM Switch S1 allows the user to configure the PGA281 gain settings, where the user can pull down the PGA281 digital inputs with 100kOhm by setting the switch low, or pull-up with 1kOhm to set the digital pin high. I suspect…
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  • Help with low current measurement with PGA281/PGA280

    Resolved
    Other Parts Discussed in Thread: PGA281EVM , PGA281 , PGA280 Hello, We do have prototyped a test jig that measures the current consumption of a MSP430 based solution with a PGA281EVM. However, we have some current measurement consumption variation…
    • Resolved

  • RE: PGA281 THD

    Hello Dmitry, THD (or THD+N) is not part of the suite of tests performed when characterizing the PGA281. However, I am happy to send you a PGA281EVM which you can configure to match your application and test to determine if the part's behavior meets…

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