A1425 Allegro MicroSystems, A1425 Datasheet - Page 7

• Manufacturer Part Number: A1425
• Description: High Accuracy Analog Speed Sensor with Integrated Filter Capacitor and Dual Zero-Crossing Output Signal
• Manufacturer: Allegro MicroSystems

Continued on next page.
A1425-DS Rev. 0b
Preliminary - Subject to Change
Without Notice November 10, 2004
High Accuracy Analog Speed Sensor with Integrated Filter Capacitor and Dual Zero-Crossing Output Signal
–10
–20
–30
–40
–50
–60
40
35
30
25
20
15
10
40
30
20
10
5
0
0
0.01
0.01
Typical Applied Magnetic Fields, B
Typical Phase Shifts, by Frequency of Sensed Transitions
Over the Range of Ambient Operating Temperatures, T
Over the Range of Applied Magnetic Fields, B
0.1
0.1
Simulation Results
Frequency, f
Frequency, f
A1425
diff
by Frequency of Sensed Transitions
Bdiff
Bdiff
1
1
(kHz)
(kHz)
diff
(G
P-P
A
)
10
10
–40
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
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