Kinetis MicrocontrollersのトピックIRC48M long term drift https://community.nxp.com/t5/Kinetis-Microcontrollers/IRC48M-long-term-drift/m-p/834427#M50441 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>Looking at IRC48M Specs for the&nbsp;K22P121M120SF7, Technical Data Rev. 7.1, 08/2016,<BR />Open loop total deviation of IRC48M frequency at high voltage (VDD=1.89V-3.6V) over 0°C to 70°C, <BR />Max deviation (+/- 3 sigma ) is given as +/- 0.5%.<BR /><BR /></P><P>Does this include long term drift?<BR />Are there any long term drift data available for the <SPAN>IRC48M</SPAN>?</P><P></P><P>Kind regads, Anders</P></BODY></HTML> Wed, 05 Dec 2018 08:01:36 GMT anders_gingsjo 2018-12-05T08:01:36Z IRC48M long term drift https://community.nxp.com/t5/Kinetis-Microcontrollers/IRC48M-long-term-drift/m-p/834427#M50441 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>Looking at IRC48M Specs for the&nbsp;K22P121M120SF7, Technical Data Rev. 7.1, 08/2016,<BR />Open loop total deviation of IRC48M frequency at high voltage (VDD=1.89V-3.6V) over 0°C to 70°C, <BR />Max deviation (+/- 3 sigma ) is given as +/- 0.5%.<BR /><BR /></P><P>Does this include long term drift?<BR />Are there any long term drift data available for the <SPAN>IRC48M</SPAN>?</P><P></P><P>Kind regads, Anders</P></BODY></HTML> Wed, 05 Dec 2018 08:01:36 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/IRC48M-long-term-drift/m-p/834427#M50441 anders_gingsjo 2018-12-05T08:01:36Z Re: IRC48M long term drift https://community.nxp.com/t5/Kinetis-Microcontrollers/IRC48M-long-term-drift/m-p/834428#M50442 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>Please be note that the<SPAN style="color: #000000;"> IRC48M does not do a phase lock at all and the frequency lock is approximate, guaranteed only to be within the spec mentioned in the datasheet. The long term drift is really un-dertermined and not included.<BR /></SPAN></P><P style="min-height: 8pt; padding: 0px;"><SPAN style="color: #000000;">&nbsp;</SPAN></P><P><SPAN style="color: #000000;">&nbsp;</SPAN></P><P style="min-height: 8pt; padding: 0px;"><SPAN style="color: #000000;">&nbsp;</SPAN></P></BODY></HTML> Fri, 07 Dec 2018 05:42:07 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/IRC48M-long-term-drift/m-p/834428#M50442 miduo 2018-12-07T05:42:07Z