Rainbow Electronics MAX11008 - Manual (Page 35)

MAX11008
Dual RF LDMOS Bias Controller with
Nonvolatile Memory
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(MEASUREMENT VALUE
TEMPERATURE OR CURRENT)
HIGH THRESHOLD
COMPARATOR MODE
(ACTIVE LOW)
INTERRUPT MODE
(ACTIVE LOW)
BUILT-IN HYSTERESIS
LOW THRESHOLD
ALARM
OUTPUT
TIME
TIME
BUILT-IN HYSTERESIS
ALARM FLAG
REGISTER READ
ALARM FLAG
REGISTER READ
ALARM FLAG
REGISTER READ
Figure 19. ALARM Output Signal Example—Alarm Thresholds Configured for Window Mode
HIGHEST POSSIBLE THRESHOLD
VALUE (DEFAULT VALUE FOR HIGH
THRESHOLD REGISTER)
LOWEST POSSIBLE THRESHOLD
VALUE (DEFAULT VALUE FOR LOW
THRESHOLD REGISTER)
HIGH THRESHOLD
LOW THRESHOLD
RANGE OF VALUES THAT DO
NOT CAUSE AN ALARM
ALARM OUTPUT DEASSERTED
WHEN MEASURED VALUE FALLS
BELOW THIS LEVEL*
ALARM OUTPUT DEASSERTED
WHEN MEASURED VALUE RISES
ABOVE THIS LEVEL*
ALARM OUTPUT ASSERTED
WHEN MEASURED VALUE
FALLS BELOW THIS LEVEL
*ONLY WHEN ALARM IS CONFIGURED FOR COMPARATOR MODE. WHEN IN INTERRUPT
MODE, FLAG REGISTER MUST BE READ FOR ALARM TO BE DEASSERTED.
BUILT-IN 8–64 LSBs
OF HYSTERESIS
BUILT-IN 8–64 LSBs
OF HYSTERESIS
ALARM OUTPUT ASSERTED
WHEN MEASURED VALUE
RISES ABOVE THIS LEVEL
Figure 20. Window-Mode Alarm-Threshold Diagram