Datasheet

MAX9924–MAX9927
Variable Reluctance Sensor Interfaces with
Differential Input and Adaptive Peak Threshold
10 ______________________________________________________________________________________
Functional Diagrams (continued)
MAX9926
100kΩ
100kΩ
10kΩ
100kΩ
V
CC
V
CC
MODE
LOGIC
IN1-
100kΩ
V
CC
IN1+
BIAS1
OP AMP
COMPARATOR
30%
BUFFER
INTERNAL
REFERENCE
2.5V
V
MIN
THRESHOLD
85ms
WATCHDOG
PEAK
DETECTOR
EXT1
COUT1
ZERO_EN
GND
V
CC
100kΩ
100kΩ
100kΩ
V
CC
IN2-
100kΩ
V
CC
IN2+
BIAS2
OP AMP
COMPARATOR
30%
BUFFER
V
MIN
THRESHOLD
85ms
WATCHDOG
PEAK
DETECTOR
EXT2
COUT2
DIRN
DIRN
FLIP-FLOP
CLK
INT_THRS1
INT_THRS2