Single Supply 5V low noise hydrophone preamplifier

Discussion in 'The Projects Forum' started by seitam, Mar 20, 2014.

  1. seitam

    Thread Starter New Member

    Jul 27, 2013
    5
    1
    The title speaks by itself, I want to know if there is some circuit that provides low-noise, single supply operating at 5V and high gain to be used as a hydrophone preamplifier. The output of the Hydrophone is equivalent to the output of an electret-microphone. I have found some great circuits like INA127, but none of them operate at 5V.

    Do you know any example?

    Thanks.
     
  2. ronv

    AAC Fanatic!

    Nov 12, 2008
    3,287
    1,254
    Most will run on single supplies if they will run on +/- 2.5. I couldn't find the ina127.
    How about opa134?
     
  3. AnalogKid

    Distinguished Member

    Aug 1, 2013
    4,534
    1,251
    What are your basic requirements? Gain, bandwidth, noise, DC stability, etc. Do you need a true instrumentation amp, or just good common mode rejection.

    ak
     
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