A multi-mode band-gap current reference includes a band-gap current mode
module and an adjustable current source module. The band-gap current
module provides a band-gap reference current and a voltage representation
of the band-gap reference current. The adjustable current source module
is operably coupled to produce a process-independent band-gap current and
a voltage representation of the process-independent band-gap current. The
adjustable current source module produces the process-independent
band-gap current based on a difference between the voltage representation
of the band-gap reference current and the voltage representation of the
process-independent band-gap current.