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Ronz
Active Contributor

Join Date: Feb 2008
Posts: 24

Compass Chip

02/14/2008 8:50 AM

I am looking for a Digital Compass Chip like the Hitachi HM55B which is no longer available. It has to operate from a 3.6V supply, communicate via a 3 wire interface, and consume the least possible board space. Any suggestions?
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gigaconcept.com
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Canada - Member - New Member

Join Date: May 2006
Location: Montreal, Canada
Posts: 632
Good Answers: 11
#1

Re: Compass Chip

02/14/2008 11:32 PM

http://www.akm.com/category.asp?cat=network

http://www.speakesensors.com/

1 minute google search with your title!!!

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Ronz
Active Contributor

Join Date: Feb 2008
Posts: 24
#2
In reply to #1

Re: Compass Chip

02/15/2008 8:30 AM

I'm amazed!

I did the same bloody search in a variety of forms with several thousand results, but did not find those particular results.

I guess I should have looked farther than 20 or so pages.

Thanx.

Ron
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gigaconcept.com
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Canada - Member - New Member

Join Date: May 2006
Location: Montreal, Canada
Posts: 632
Good Answers: 11
#3
In reply to #2

Re: Compass Chip

02/15/2008 8:48 AM

AKM is the 3rd link, Speake is 5th.

Then again, I am reknowned for my searching abilities!

The keywords are: compass chip, compass IC yeilds different results.

I use google.ca

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Ronz
Active Contributor

Join Date: Feb 2008
Posts: 24
#4
In reply to #3

Re: Compass Chip

02/15/2008 9:06 AM

I just duplicated the previous search, and found AKM a few pages in. I guess I had not noticed it previously. Apparently, my searching abilities could stand some tuning.

The Speake device operates from 5V, and the chip we're interfacing to uses 3V, so I'm looking for something like the AK8973.

Thanks again.

Ron
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Ronz
Active Contributor

Join Date: Feb 2008
Posts: 24
#5
In reply to #4

Re: Compass Chip

02/15/2008 10:11 AM

Thanks for the link, but the Honeywell sensors (we've already looked at them) require external circuitry which we have no room for. That's why the HM55B was so attractive - a one-chip solution.

Regards,

Ron
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