
Dual, 2-Wire Hall-Effect Sensor Interface with
Analog and Digital Outputs
MAX9621
13
Chip Information
PROCESS: BiCMOS
Typical Application Circuit
REMOTE
GROUND
GND
REMOTE
GROUND
N
S
N
S
0.1µF
BAT
R
SET
BATTERY: 5.5V TO 18V
OPERATING,
60V WITHSTAND
R
PU
10kI
R
PU
10kI
5kI
5kI
1.8V TO 5.5V
MICROPROCESSOR
ADC
ADC
SLEEP
AOUT1
AOUT2
DOUT2
DOUT1
FILTER
SLEEP-MODE
CONTROL
REFERENCE
ISET REF
REF
BAT
BAT
FILTER
REF
0.01µF
IN2
IN1
INPUT
SHORT
DETECTION
0.01
µ
F
MAX9621
100kI
ECUCONNECTOR
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