
LTC6801
BLOCK DIAGRAM OF ENABLE IN/OUT AND STATUS IN/OUT
THE FREQUENCY MATCH
DETECT OUTPUT GOES
HIGH WHEN SIN AND EIN
ARE THE SAME FREQUENCY
FREQUENCY
MATCH
DETECT
THE SIGNAL IS
HIGH WHEN
ALL READINGS
ARE “GOOD”
THE CLK DETECT
OUTPUT GOES
HIGH WHEN EIN IS
2kHz TO 50kHz
CLK
DETECT
EOUT
VREG
EOUT
300k
SIN
VREG
300k
300k
SIN
300k
SOUT
VREG
SOUT
VREG
300k
EIN
300k
300k
EIN
300k
SOUT IS ACTIVE WHEN
1) EIN IS ACTIVE
2) SIN AND EIN ARE THE SAME FREQUENCY
3) ALL READINGS ARE “GOOD”
6801 BDa
6801p
11