TI acquisition of National

Trying to boost your TI stock? You don't seriously think anyone has an answer to your question.

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There wasn't nearly the overlap with Burr Brown and TI as opposed to National and TI. Burr Brown was a precision analog company, on par with say ADI, maybe more like PMI. TI was more midgrade and jelly bean at the time they bought BB. National was very jelly bean with some midgrade. The National purchase didn't make as much sense as the BB purchase, unless the goal was to buy a competitor just to stop price erosion.

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National was very jelly bean? Where have you been lately? Time to wake up:

I put little faith in anything National attempts to make that is a performance part. You use National when good enough is good enough.

Well, let history guide you..what happened to Burr Brown's chips?

• Also, at this rate Taft-Hartley may step in and break TI up as being non-competitive (too few or no competitors because TI adsorbed them all).

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TWO WATTS is "LOW POWER?? Who the hell are they trying to kid??????????????????

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It's low power compared to if it was higher power than that :)

Most parts are "low power" on the datasheets. Just like all opamps are "fast", "low noise" etc.

Still being made. Simply a new parent corporation.

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The TI folks I met recently seemed pretty happy to have some of the NS stuff to fill out some holes in their data converter line. Apparently their strategic plans were similar to TI's, they just didn't have the money to execute.

Best regards, Spehro Pefhany

And the alternative source to the ADC83000 is ...?

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For a GHz-converter that is low power. This ain't you grandpa's old ADC.

How about the LM4140 reference? It came out just when we needed a REALLY great reference, and it works amazingly well, although it needs a bit of coddling. We needed a 5.000 V supply with very minimal 1/f noise or mid-term drift, like over a full week at a time. We had to search a long time to find an op-amp that could maintain the integrity of the ref voltage.

Jon

The concern related more to the QUALITY...

Those have good initial accuracy but horrible noise. Compare e.g. LT1021, or some of the really cool new ones from Intersil and AD. (My personal fave is still the LM329--cheap and very quiet.)

Cheers

Phil Hobbs

AFAIK they never migrated that one to SOT23 or some other SMT package. Usually that's not such a good sign when it comes to possible obsolescence some day.

True, but meanwhile it's a beautiful part.

Cheers

Phil Hobbs

Yep, so were the LH0063 and LH0033 :-(

I've had people almost banging in the door after I casually mentioned that I had some. The 0063's are gone now, so in case anyone is picking up the phone just put it back down. There is a lot of test gear that has been designed with those and now lots of folks are up the creek when it comes to spare parts.

It pays off to monitor the situation and do a hoarding purchase at the slightest signs of a tremor. That's what I also did with the Plessey SL6440, best honking HF mixer since pivot irrigation was invented. Shortly after the whole company went belly up.

The ADR420 series is very good, but not cheap. They use jfets somehow, not bandgaps.

The Intersil floating-gate things are cool. They just charge up a cap to the reference voltage and leave it there.

John

We use lots of "BB" opamps and dacs. Still available, still good stuff.

John