Datasheet

MAX9924–MAX9927
Variable Reluctance Sensor Interfaces with
Differential Input and Adaptive Peak Threshold
______________________________________________________________________________________ 17
Application Circuits (continued)
IN-
IN+
BIAS
V
CC
ZERO_EN INT_THRS GND
COUT
OUT
EXT
TPU
μC
V
PULLUP
R
PULLUP
1nF
10kΩ
10kΩ
VR
SENSOR
+5V
1kΩ1kΩ
10μF || 0.1μF
MAX9925
MAX9927
Figure 6. MAX9925/MAX9927 Operating Mode A
IN-
IN+
BIAS
V
CC
ZERO_EN INT_THRS GND
COUT
OUT
EXT
TPU
μC
V
PULLUP
R
PULLUP
1nF
10kΩ
10kΩ
VR
SENSOR
+5V
1kΩ1kΩ
10μF || 0.1μF
MAX9925
MAX9927
PWM
FILTER
Figure 7. MAX9925/MAX9927 Operating Mode B