Datasheet

MAX9924–MAX9927
Variable Reluctance Sensor Interfaces with
Differential Input and Adaptive Peak Threshold
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MAX9924
100kΩ
100kΩ
10kΩ
100kΩ
V
CC
V
CC
4.5V TO 5.5V
V
CC
R
PULLUP
V
PULLUP
MODE
LOGIC
INT_THRS
GND
EXT
IN-
100kΩ
V
CC
IN+
BIAS
*THE MAX9924 IS
CONFIGURED IN MODE A2.
OP AMP
COMPARATOR
30%
BUFFER
BANDGAP
REFERENCE
VOLTAGE = 2 x V
BG
V
MIN
THRESHOLD
85ms
WATCHDOG
μC
PEAK
DETECTOR
MODE
LOGIC
COUT
TPU
ZERO_EN
VR SENSOR
Typical Operating Circuit