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  • DAC11001A: 1/f noise

    Part Number: DAC11001A

    According the datasheet of the DAC11001A, the spectral noise density is 7nV/sqrt(Hz). And the LF noise from 0.1Hz to 10Hz is specified with 0.4uVpp.
    Figure 41 on page 21 of the datasheet shows the spectral noise density. But unfortunately…

  • LED WIFI smart bulb.

    Hi All,

    I want to design a WiFi operated Smart LED Bulb with Standard AC input and Also need to control dimming via micro controller as well as will drive WiFi module also.

    Can anyone suggest me any solution for these requirement.

    Can you suggest me IC…

  • Compiler/IPNC-RDK-CSK: TMDSCSk388

    Part Number: IPNC-RDK-CSK

    Tool/software: TI C/C++ Compiler

    I installed IPNC_RDK_3.9.1.tar.gz  and I want want to compile source but (make sysall) following the (processors.wiki.ti.com/.../IPNC_RDK_DM38x_,_DM8127) but after successful compilation but there…

  • OPAMP-NOISECALC: Noise Calculator missing in http://www.ti.com/tool/OPAMP-NOISECALC

    Part Number: OPAMP-NOISECALC

    Dear Support,

    the noise calculator decribed at the link

                                             www.ti.com/.../OPAMP-NOISECALC

    (...)

    A noise calculator tool -

    This is an Excel spreadsheet that calculates the spot noise and integrated noise over a user specified…

  • OPA380: Guard rings on the MSOP-8 package

    Part Number: OPA380
    Other Parts Discussed in Thread: OPA2380

    Does anybody have any suggestions for running guard rings through the lead array on an MSOP-8 package? There is only about 8 mils or 0.2mm between the the leads.

  • PCM1861-Q1: PCM1861

    Part Number: PCM1861-Q1
    Other Parts Discussed in Thread: PCM1862, PCM1861


    Hi

    I am planning to use PCM1861-Q1 110 dB 2-channel hardware-controlled audio ADC in my design due to  PCM 2902 is not recommended for new design. High sampling rate and SNR are…

  • INA166: 1uV 300kHz signal to be amplify for DAQ with minimum noise.

    Part Number: INA166

    Need Help!

    i am using IC INA 166 for hydrophone which has 10pf capacitance with frequency range 270kHz to 330kHz and input voltage level is 1uVpp.

    what should i do for impedence matching so i can proccess aforementioned signal to be…

  • THS4131: Noise response with hi value resistors

    Part Number: THS4131
    Other Parts Discussed in Thread: OPA2140, THS4541, TINA-TI

    I am troubleshooting a circuit with the THS4131. It is a new version of an old design where the THS4131 is also used and whose performance is OK. The problem is the original…

  • TINA/Spice/OPA354A-Q1: Circuit noise based on OPA354 doesn't converge

    Part Number: OPA354A-Q1
    Other Parts Discussed in Thread: TINA-TI, OPA354

    Tool/software: TINA-TI or Spice Models

    I’ve calculated the noise of a circuit based on OPA354 and I find out that the calculation doesn’t match with the simulation. I try to build…

  • RE: PGA281: .1to10Hz pp noise vs 1/f specs

    Hello David,

    The PGA280 is has the zero-drift feature with provides low-offset, low-drift and no 1/f noise.  The input referred noise spectrum plot, in figure 15 of the datasheet, shows no 1/f at the frequency region of interest 0.1Hz- 10Hz.  I have posted th…

  • PGA281: .1to10Hz pp noise vs 1/f specs

    Part Number: PGA281
    Other Parts Discussed in Thread: PGA280

    I'm looking for a fully differential amplifier with very low noise and band of interest .5-40Hz.  The OPA1632 seems quit nice so far, but there is an issue of concern with lower frequency…

  • OPA1632: .1to10Hz pp noise vs 1/f specs

    Part Number: OPA1632
    Other Parts Discussed in Thread: PGA281, OPA188, PGA280, OPA333

    I'm looking for a fully differential amplifier with very low noise and band of interest .5-40Hz.  The OPA1632 seems quit nice so far, but there is an issue of concern…

  • LMV721 input voltage noise

    Other Parts Discussed in Thread: LMV721, LMV721-N, LMV722-N

    Hi all,

    My customer try to use LMV721 to finish AFCI signal conditioning. Due to the input is small, input noise is an important parameter.

    From the 1st page, we get that LMV721 input voltage…

  • RE: low frequency performance ADS8885

    Hi Jose,

    Thanks for your reply, I have read it with a lot of interest. However, I did some experiments that still raise some new questions. Please have a look at the attached pdf and let me know what you think.

    Best regards,

    Nick

    20160511_communication_TI_ADS8885…

  • 1/f Noise—the flickering candle

    The 1/f (one-over-f) low frequency noise region of amplifiers seems just a bit mysterious. Reader “tweet” asked for a discussion of 1/f noise—a challenging topic for a short blog.

       Click Here to read on EDN magazine web site.

    Excel…

  • LMC6442 1/f noise

    Other Parts Discussed in Thread: LMC6442

    The LMC6442 is a very attractive amplifier for my application due it's very low Ib and drift, however low frequency (<0.1-10Hz) noise is also very important for me and I can't find a figure for it. Extending the…

  • Re: OPA376 output noise

    Mujahid;

    There are a number of things that can cause the output to be influenced by the ambient air-- as you said "Air Con Off". One is simply the thermoelectric potentials caused by dissimilar metals in the input portion of your circuit. Very high gain…

  • Noise analysis of OPA376

    Other Parts Discussed in Thread: OPA376, LM7171

    Hi,

    I am using OPA376 as a photodiode TIA in single supply (+5V) mode and the postive terminal is biased to a reference voltage between 1.5V and 2.5V. A 1M resistor and 1.5pF capacitor forms the feedback…