A1425 Datasheet, PDF (8/13 Pages) Allegro MicroSystems – High Accuracy Analog Speed Sensor with Integrated Filter Capacitor and Dual Zero-Crossing Output Signal

A1425
High Accuracy Analog Speed Sensor IC with Integrated
Filter Capacitor and Dual Zero-Crossing Output Signal
Simulation Results, continued
A1425 Typical Delay
Over the Range of Applied Magnetic Fields, B_diff
f_Bdiff(low) = 15 Hz, f_Bdiff(high) = 30 kHz
20
15
10
5
Bdiff in Gp-p
0
–5
1250
–10
–15
–20
0.1
1
10
40
Frequency, f_Bdiff (kHz)
Positive values of delay indicate a lagging output, while negative values indicate a leading output.
1000
A1425 Typical Delay
Over the Range of Applied Magnetic Fields, B_diff
f_Bdiff(low) = 15 Hz, f_Bdiff(high) = 30 kHz
0
–1000
–2000
1250
750
500
–3000
Bdiff in Gp-p
–4000
100
–5000
50
–6000
0
100
Frequency, f_Bdiff (Hz)
Positive values of delay indicate a lagging output, while negative values indicate a leading output.
Allegro MicroSystems, Inc.
8
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com