MAX9924_11 Datasheet, PDF (17/23 Pages) Maxim Integrated Products – Variable Reluctance Sensor Interfaces with Differential Input and Adaptive Peak Threshold

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