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TI Home » TI E2E Community » Support Forums » Amplifiers » /etc... Amplifiers & Other Linear » All Tags » OPA548 current to voltage converter
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OPA548 current to voltage converter
  • opa548
  • OPA548 power dissipation
Related Posts
  • Forum Post: Re: 0-20/4-20 mA to 48VDC (2A) current-to-voltage converter

    Bruce Trump Bruce Trump
    Charles, Here is a basic circuit using the OPA548 op amp. The 0-20mA is converted to 0-1V with a 50 ohm input resistor, then amplified by a G=48. It is simple enough but untested. The load is connected to ground which may help pull it all the way to zero with zero input. Be cautious about power dissipation...
    on Dec 2, 2010
  • Forum Post: Re: opa548 E/S pin

    span vinay span vinay
    In our company we are using OPA548 for programmable power supply application purpose.We have used your Digitally-Controlled Programmable Power Supply schematics for our application refer to page number 15 of OPA548 datasheet .Whatever mentioned in that schematics ,used all IC and capacitor except resistor...
    on Dec 10, 2010
  • Forum Post: OPA548 -TECHNICAL ISSUE (HEAT PROBLEM....?)

    span vinay span vinay
    In our company we are using OPA548 for programmable power supply application purpose.We have used your Digitally-Controlled Programmable Power Supply schematics for our application refer to page number 15 of OPA548 datasheet .Whatever mentioned in that schematics ,used all IC and capacitor except resistor...
    on Dec 10, 2010
  • Forum Post: Re: OPA548 -TECHNICAL ISSUE (HEAT PROBLEM....?)

    span vinay span vinay
    Hi Bruce, For DAC, supply voltage is 5v. Reference voltage to DAC is set to -5v. For OPA548, supply voltage is 15v. OPA548 gain is set to 3.42. *Buffer output and Analog output taken without connecting to the load *Measured the values in multimeter. *Readings taken when current digital value is set...
    on Dec 11, 2010
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