I have a couple of these. however their noise spectral density tends to rise precipitously below 1Hz or so. There are regulators with significantly lower flicker noise.
Bruce > On August 7, 2014 at 6:35 AM Tom Van Baak <[email protected]> wrote: > > > Ole, > > Thanks for bringing it to our attention. > For those that like to click instead of search: > > http://www.ti.com/tool/TPS7A4701EVM-094 > http://www.ti.com/lit/ug/slvu741a/slvu741a.pdf > http://www.ti.com/product/tps7a4701 > http://www.ti.com/lit/ds/symlink/tps7a4701.pdf > > /tvb > > ----- Original Message ----- > From: "Ole Petter Ronningen" <[email protected]> > To: <[email protected]> > Sent: Wednesday, August 06, 2014 11:38 PM > Subject: [time-nuts] Low noise powersupplies > > > > Hello, all > > > > I thought it may be of interest to some of the members of this list that TI > > is selling evaluation modules for some ultra low noise regulators for $20 > > in their estore, shipping world wide included. The specs looks pretty > > decent to me, and I've ordered up a couple of boards to use as "clean up > > boxes" for my bench-supplies, to use on noise-sensitive projects. > > > > 1.4-30v output TPS7A4701EVM-094 > > 3.5µVRMS (10Hz, 100KHz) > > <25 nV/√Hz (10Hz, 1MHz) > > Maximum Output Current of 1A > > > > +-15v version TPS7A30-49EVM-567: > > 15v rail: > > Noise: > > 12.7µVRMS (20Hz to 20kHz) > > 15.4µVRMS (10Hz to 100kHz) > > Power-Supply Ripple Rejection: > > 72dB (120Hz) > > ≥ 52dB (10Hz to 400kHz) > > Maximum Output Current: 150mA > > > > > > -15v rail: > > Noise: > > 14µVRMS (20Hz to 20kHz) > > 15.1µVRMS (10Hz to 100kHz) > > Power-Supply Ripple Rejection: > > 72dB (120Hz) > > ≥ 55dB (10Hz to 700kHz) > > Maximum Output Current: 200mA > > > > Ole > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
