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Forum Post: Re: Stability of Differential op.amp with Gain<1V/V (THS4521)

Kristoffer Flores

Normal 0 false false false MicrosoftInternetExplorer4 Hi Roman, For regular op amps, the minimum gain stability is given for the non-inverting or noise gain configuration, i.e. for inverting gain of -1, the non-inverting gain is...

on Sep 30, 2010
Forum Post: Can fully differential amplifiers with noise figures of up to 13dB be used to drive a high-speed 16-bit ADC without impacting performance?

DavidT

Adequacy of noise performance of fully differential amplifiers for driving high-speed 16-bit ADCs can be determined by comparing the noise figure of the amplifier to the noise figure of the 16-bit ADC. The typical noise figure of a high performance 16-bit pipeline ADC is 30dB to 33dB, while that of...

on Oct 4, 2010
Forum Post: I need a fully differential amplifier with a 2V p-p output swing in 6ns, can I use the THS4521?

DavidT

If you require 2V peak-to-peak in 6ns, it is possible to use the THS4521 FDA device. The only caveat is that the THS4521 requires a supply voltage of at least +/-1.65V (or 3.3V single-supply) to achieve such performance. Attached are results from testing the THS4521 with a differential input signal...

on Oct 7, 2010
Wiki Page: Can fully differential amplifiers with noise figures of up to 13dB be used to drive a high-speed 16-bit ADC without impacting performance?

Sannatizer35

Can fully differential amplifiers with noise figures of up to 13dB be used to drive a high-speed 16-bit ADC without impacting performance? by 682470 Adequacy of noise performance of fully differential amplifiers for driving high-speed 16-bit ADCs can be determined by comparing the noise...

on Oct 25, 2010
Forum Post: Fully Differential Amplifier, Single Supply Problem compared to Dual Supply

William Lu61122

Hello, I'm using a FDA to reject a 2.5V offset of my signal and amplify the signal such that when it goes through a peak detector, it'll be at 5V. When using dual supply, I am able easily achieve this. However, when changing the configuration to a single supply, the signal will clip if...

on Nov 22, 2010
Forum Post: Re: LMH6554LE-EVAL higher speed differential amplifier

Hooman Hashemi

Hi, The values are not very critical. The total load on LMH6554 output(s) will be: R6 + R7 + 4*RL or about 300ohm which is fine (as stated in AN-1945), assuming R12= R13= C14= C15= 0ohm, R6= R7= 50ohm, and your RL is a 50ohm test equipment load. This is assuming that your are using a 4:1 transformer...

on Feb 6, 2012
Forum Post: FDA

eli

Looking for FDA device,with integrated gain resistors,like the ANALOG DEVICE,AD8475,for low power application

on Nov 6, 2012
Forum Post: RE: FDA

eli

Hi, Its a video board with 8 chanel 14bit A/D like ADS5294. Customer prefer to use FDA with integrated resistors soluton,Gain=0.5,,and need low power consumption. Eli

on Nov 9, 2012
Forum Post: RE: FDA

eli

Hi, Thanks,iteresting device,but its too slow,as it for Video application B.regards Eli

on Nov 20, 2012

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Browse by Tags

Forum Post: Re: Stability of Differential op.amp with Gain<1V/V (THS4521)

Forum Post: Can fully differential amplifiers with noise figures of up to 13dB be used to drive a high-speed 16-bit ADC without impacting performance?

Forum Post: I need a fully differential amplifier with a 2V p-p output swing in 6ns, can I use the THS4521?

Wiki Page: Can fully differential amplifiers with noise figures of up to 13dB be used to drive a high-speed 16-bit ADC without impacting performance?

Forum Post: Fully Differential Amplifier, Single Supply Problem compared to Dual Supply

Forum Post: Re: LMH6554LE-EVAL higher speed differential amplifier

Forum Post: FDA

Forum Post: RE: FDA

Forum Post: RE: FDA