True Zero-Speed Low-Jitter High Accuracy
Gear Tooth Sensor IC
ATS625LSG
7
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Characteristic Data: Relative Timing Accuracy
Relative Timing Accuracy Versus Speed
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
0
500 1000 1500 2000 2500
Relative Timing Accuracy Versus Ambient Temperature
Signature Tooth Rising Edge
0.5 mm Air Gap
-50
0
50 100 150 200
Temperature, T
A
(癈)
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
Signature Tooth Falling Edge
0.5 mm Air Gap
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
Temperature, T
A
(癈)
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
Rising Edge Following Signature Tooth
0.5 mm Air Gap
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
Temperature, T
A
(癈)
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
-50
0
50 100 150 200
-50
0
50 100 150 200
0
500 1000 1500 2000 2500
0
500 1000 1500 2000 2500
Target Speed, S (rpm)
Target Speed, S (rpm)
Target Speed, S (rpm)
Relative Timing Accuracy Versus Speed
Relative Timing Accuracy Versus Speed
Relative Timing Accuracy Versus Ambient Temperature
Relative Timing Accuracy Versus Ambient Temperature
Signature Tooth Rising Edge
0.5 mm Air Gap
Signature Tooth Falling Edge
0.5 mm Air Gap
Rising Edge Following Signature Tooth
0.5 mm Air Gap
T
A
(癈)
40
0
25
85
150
T
A
(癈)
40
0
25
85
150
T
A
(癈)
40
0
25
85
150
S (rpm)
50
100
500
1000
1500
2000
S (rpm)
50
100
500
1000
1500
2000
S (rpm)
50
100
500
1000
1500
2000