[sdiy] Sample & (infinite) Hold

[Paul Schreiber]

Question would be: how many *times* can you do this. I'm sure the intended use 
is 1 or 2 times *ever*. Doing it 10,000 times may not be spec'd.

Paul S.

----- Original Message ----- 
From: "Heitor Alves" <heitor.alves at gmail.com>
To: "Synth-DIY List" <synth-diy at dropmix.xs4all.nl>
Sent: Friday, July 08, 2005 6:53 AM
Subject: [sdiy] Sample & (infinite) Hold


> Hi List!
>
> i've recieved the news from maxim-ic and they have produced a Sample
> and infinite hold chip (in SMT form only). Here's a description from
> the quick view of they website:
>
> The DS4303 is a nonvolatile (NV) sample and infinite-hold adjustable
> voltage reference. The reference voltage is programmed in-circuit
> during factory calibration/ programming. Programming the reference
> voltage, VOUT, is as simple as applying the desired voltage on VIN and
> toggling the adjust pin (ADJ-bar) to lock the VOUT voltage level
> indefinitely, even if the device is power cycled. The DS4303 replaces
> current cumbersome factory adjustment arrangements with a low-cost
> solution that can be adjusted using automated techniques. In addition,
> the DS4303 has the ability to be readjusted after the unit has been
> fully assembled and tested. This results in a much more flexible
> manufacturing arrangement, lower inventory costs, and a quicker
> time-to-market.
>
> http://www.maxim-ic.com/quick_view2.cfm/qv_pk/4672
>
> Would this be good for us (synth builders)? Since it replaces the
> Shunt Voltage reference diode.
>
> Lets ear your opinions!
>
> Thanx!
>
> Heitor
>