A1425LK Allegro Microsystems Inc, A1425LK Datasheet - Page 7

• Manufacturer Part Number: A1425LK
• Description: IC SENSOR HALL EFFECT AC 4-SIP
• Manufacturer: Allegro Microsystems Inc
• Type: Special Purposer

Specifications of A1425LK

• Sensing Range: 11G Trip, -11G Release
• Voltage - Supply: 4 V ~ 26.5 V
• Current - Supply: 7mA
• Current - Output (max): 25mA
• Output Type: Digital, Open Collector
• Features: High Accuracy
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 4-SIP
• Magnetic Type: Monolithic
• Operating Supply Voltage (min): 4V
• Operating Supply Voltage (typ): 5/9/12/15/18/24V
• Operating Supply Voltage (max): 26.5V
• Output Current: 25mA
• Package Type: SIP
• Pin Count: 4
• Mounting: Through Hole
• Operating Temp Range: -40C to 150C
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A1425
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High Accuracy Analog Speed Sensor IC with Integrated
Filter Capacitor and Dual Zero-Crossing Output Signal
B diff in Gp-p
Over the Range of Ambient Operating Temperatures, T
Over the Range of Applied Magnetic Fields, B
0.1
0.1
f
Bdiff(low)
f
Bdiff(low)
A1425 Minimum Switching Fields
Simulation Results
A1425 Typical Phase Shift
Frequency, f
Frequency, f
= 15 Hz, f
= 15 Hz, f
Bdiff(high)
Bdiff(high)
Bdiff
Bdiff
1
1
(kHz)
(kHz)
≈ 30 kHz
= 30 kHz
diff
A
10
10
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115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
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40
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