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Current stability of ADN2830?

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Hi everyone,

Does anyone know what the current stability is of the power controller ADN2830, when operating to control constant current, rather than constant power?

 

Here is my application:  We'd like to use an ADN2830 eval board as a current controller for an external cavity diode laser (ECDL).  ECDLs output light with a very well defined wavelength (typically the linewidths are on the order of 100kHz to 1MHz over a few microseconds).  To achieve this the laser diode current needs to be very stable, e.g. a current drift of <10 microA over a second.  Will ADN2830 achieve this stability or better?

 

Thanks

Hermann


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