ATS674 Allegro MicroSystems, ATS674 Datasheet - Page 8

• Manufacturer Part Number: ATS674
• Description: (ATS673 / ATS674) Self-Calibrating TPOS Gear Tooth Sensor Optimized
• Manufacturer: Allegro MicroSystems

ATS673 and
ATS674
-0.10
-0.20
-0.30
-0.40
0.40
0.30
0.20
0.10
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
0.0
0.0
0
ATS673 Relative Timing Accuracy Versus Air Gap
ATS674 Relative Timing Accuracy Versus Air Gap
0.5
0.5
0
1.5 mm Air Gap, Relative to 0.5 mm Air Gap
Relative Timing Accuracy Versus Air Gap
1000 rpm, Relative to 0.5 mm Air Gap
1000 rpm, Relative to 0.5 mm Air Gap
500
1.0
1.0
Gear Speed (rpm)
Rising Mechanical Edge
Rising Mechanical Edge
Rising Mechanical Edge
1000
1.5
1.5
AG (mm)
AG (mm)
Characteristic Data: Relative Timing Accuracy
Self-Calibrating TPOS Gear Tooth Sensor Optimized
1500
2.0
2.0
2000
2.5
2.5
2500
3.0
3.0
for Automotive Cam Sensing Applications
T
T
A
A
ATS673
ATS674
(°C)
(°C)
–40
150
–40
150
25
85
25
85
0
0
-0.10
-0.20
-0.30
-0.40
0.40
0.30
0.20
0.10
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
0.5
0.5
ATS673 Relative Timing Accuracy Versus Air Gap
ATS674 Relative Timing Accuracy Versus Air Gap
0
1.5 mm Air Gap, Relative to 0.5 mm Air Gap
Relative Timing Accuracy Versus Air Gap
1000 rpm, Relative to 0.5 mm Air Gap
1000 rpm, Relative to 0.5 mm Air Gap
500
1.0
1.0
Falling Mechanical Edge
Falling Mechanical Edge
Falling Mechanical Edge
Gear Speed (rpm)
1000
1.5
1.5
AG (mm)
AG (mm)
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
1500
2.0
2.0
2000
2.5
2.5
2500
3.0
3.0
T
T
A
A
ATS673
ATS674
(°C)
(°C)
–40
150
–40
150
25
85
25
85
0
0
8