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Message started by qiushidaren on Mar 9th, 2007, 12:40am

Title: Temperature Option in Analog Artist
Post by qiushidaren on Mar 9th, 2007, 12:40am
Hi all,

I have a question to ask you, that is, you know when I am using Cadence, in Analog Artist, there is a Temperature opition in Setup, what I wanna know is this Temperature is what kind of temperature, is it the environment temperature where the die is operating, or something else?

Regards,
Terry

Title: Re: Temperature Option in Analog Artist
Post by bharat on Mar 12th, 2007, 2:11am
Yes it is ambient temprature.

Title: Re: Temperature Option in Analog Artist
Post by monte78 on Mar 12th, 2007, 2:19am
I think it's the temperature of the environment, but you have to consider that the die will probably work at higher temperature, so usually you can consider this temperature as the die temperature (otherwise you will need some transistor models that can include self-heating).

qiushidaren wrote on Mar 9th, 2007, 12:40am:
Hi all,

I have a question to ask you, that is, you know when I am using Cadence, in Analog Artist, there is a Temperature opition in Setup, what I wanna know is this Temperature is what kind of temperature, is it the environment temperature where the die is operating, or something else?

Regards,
Terry

Title: Re: Temperature Option in Analog Artist
Post by adesign on Mar 12th, 2007, 2:37am
This is environment temperature and the die temperature is higher than this.

Title: Re: Temperature Option in Analog Artist
Post by Ken Kundert on Mar 12th, 2007, 8:57am
The temperature of a particular device k is
    tk = temp + trisek
where temp is global and trisek applies only to the particular device.  With integrated circuits, one generally uses temp to represent the average die temperature and trisek to represent the deviation of the device temperature from the average. In most cases the individual device temperature is not important, so trise is not used.


-Ken

Title: Re: Temperature Option in Analog Artist
Post by qiushidaren on Mar 13th, 2007, 10:23pm
So, looks like it's the die temperature rather than the environment temperature?

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