MAX11008 Datasheet, PDF (36/67 Pages) Maxim Integrated Products – Dual RF LDMOS Bias Controller with Nonvolatile Memory

Dual RF LDMOS Bias Controller with
Nonvolatile Memory
MEASUREMENT VALUE
(TEMPERATURE OR CURRENT)
HIGH THRESHOLD
LOW THRESHOLD
ALARM OUTPUT
TIME
COMPARATOR MODE
(ACTIVE LOW)
INTERRUPT MODE
(ACTIVE LOW)
ALARM FLAG
REGISTER
READ
ALARM FLAG
TIME
REGISTER
READ
Figure 21. ALARM Output Signal Example—Alarm Thresholds Configured for Hysteresis Mode
HIGHEST POSSIBLE THRESHOLD
VALUE (DEFAULT VALUE FOR HIGH
THRESHOLD REGISTER)
ALARM OUTPUT ASSERTED
WHEN MEASURED VALUE
RISES ABOVE THIS LEVEL
HIGH THRESHOLD
ALARM OUTPUT ASSERTED
WHEN MEASURED VALUE
FALLS BELOW THIS LEVEL*
RANGE OF VALUES THAT WILL
NOT CAUSE AN ALARM
LOW THRESHOLD
*ONLY WHEN ALARM IS CONFIGURED FOR COMPARATOR MODE. WHEN IN INTERRUPT
MODE, FLAG REGISTER MUST BE READ FOR ALARM TO BE DEASSERTED.
Figure 22. ALARM Output Signal Example—Alarm Thresholds Configured for Hysteresis Mode
LOWEST POSSIBLE THRESHOLD
VALUE (DEFAULT VALUE FOR LOW
THRESHOLD REGISTER)
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