max9927aee Maxim Integrated Products, Inc., max9927aee Datasheet - Page 6

• Manufacturer Part Number: max9927aee
• Description: Variable Reluctance Sensor Interfaces With Differential Input And Adaptive Peak Threshold
• Manufacturer: Maxim Integrated Products, Inc.

Variable Reluctance Sensor Interfaces with
Differential Input and Adaptive Peak Threshold
(V
6
V
CC
BIAS
5V
30
25
20
15
10
-5
_______________________________________________________________________________________
5
0
= 5V, V
-50
V
f
IN
ZERO CROSSING
AT 1Hz
CM
MINIMUM AND ZERO-CROSSING
THRESHOLD vs. TEMPERATURE
= 5Hz
-25
INPUT SIGNAL vs. COUT WITH
WATCHDOG TIMER EXPIRED
= 2.5V
GND
0
COUT
TEMPERATURE (°C)
= 0, MAX9925/MAX9927 gain setting = 1V/V. All values are at T
833mV
100μs/div
25
MINIMUM THRESHOLD
50
INPUT SIGNAL
ZERO CROSSING
AT 5Hz
75
f
IN
MAX9924 toc13
100
= 1kHz
125
100
75
50
25
Typical Operating Characteristics (continued)
0
-50
-25
OVERDRIVEN INPUT VOLTAGES
CMRR vs. TEMPERATURE
0
TEMPERATURE (°C)
(MAX9924)
25
100μs/div
50
MAX9924
V
CM
75
= 0 TO 5V
MAX9924 toc14
100
A
= +25°C, unless otherwise noted.)
125
V
BIAS
5V
INPUT SIGNAL vs. COUT WITH
WATCHDOG TIMER EXPIRED
DIRN OPERATION
COUT
(MAX9924)
200μs/div
20ms/div
INPUT SIGNAL
f
IN
MAX9924 toc15
MAX9924 toc12
= 5Hz