Part Number: THS3122 Other Parts Discussed in Thread: OPA564 , Hi,
I want to design an "AC excitation" module to excite a coil between 100 kHz and 200 kHz (R=2 Ohm at DC, Z=50 Ohm at 150 kHz). I have a DDS (AD9833) which can generate sine wave with peak…
Part Number: OPA564 Other Parts Discussed in Thread: THS3122 , BUF634 Hi,
I want to design an "AC excitation" module to excite a coil between 100 kHz and 200 kHz (R=2 Ohm at DC, Z=50 Ohm at 150 kHz). I have a DDS (AD9833) which can generate sine…
Other Parts Discussed in Thread: THS3122 Hi All,
I am designing a high power circuit for a transducer application. I see in the data sheet of THS3122 that output voltage swing is around 13v for +/-15 supplies. does this mean that output can swing from…
Other Parts Discussed in Thread: THS3122 , TINA-TI I want to simulate a unite feeback circuit,but I found the following problem: The Input:2Vpp,10MHz sine wave: My circuit:
When the feedback resistance is 100k(As above),the output is just 120mVpp,far below…
Well this is a dual CFA device - the +/-15V supply limits your options considerably, if you were using it with+/-5V supply, many more options available.
Anyway, maybe the THS3122?
Hi Yatao,
to get the full heat dissipation of THS3122 the current through R3 and R4 would even have to be added, actually, as the current running through them also have to be delivered by the OPAmp and also create a heat power within the THS3122 :-)
…
Well Nithin, I don't think TI has anything with 1.5A output,
You could consider paralleling 4 of the THS3122 devices (it is a dual, so two packages) with load sharing ballast resistors. This is done a lot in AWG outputs where the THS3491 product folder…
Hi Sima,
I will try to explain where is the catch with the OpAmp and why we want to do first the simulation with LM6172.
We chose CSD19534Q5A transistor, and we need to choose the OpAmp that drive the gate of the CSD19534Q5A fast, meaning when we turn on…
Hi Ronald,
I think THS3062 (current feedback amplifier, 300MHz unity gain bandwidth, 7,000 V/us, +/-15V capable, dual), or THS3122 are good possible candidates to try in place of the LM6172 (although I'm only going by the datasheet specs and I've not…