A3425LK-T Allegro Microsystems Inc, A3425LK-T Datasheet - Page 4

• Manufacturer Part Number: A3425LK-T
• Description: Hall Effect Switch IC
• Manufacturer: Allegro Microsystems Inc
• Type: Bipolar Latchr

Specifications of A3425LK-T

• Peak Reflow Compatible (260 C): Yes
• Output Current: 70mA
• Termination Type: Through Hole
• Supply Voltage Max: 18V
• Leaded Process Compatible: Yes
• No. Of Pins: 4
• Hall Effect Type: Bipolar
• Supply Voltage Min: 3.3V
• Sensing Range: 35G Trip, -35G Release
• Voltage - Supply: 3.3 V ~ 18 V
• Current - Supply: 6mA
• Current - Output (max): 20mA
• Output Type: Digital, Open Drain
• Features: Ultra Sensitive
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 4-SIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

A3425
Package K
1
E1
2
3
E2
4
VCC
1
2
3
4
Package L
E1
E2
Channel A
Channel B
Hall
Element
E1
Hall
Element
E2
8
7
6
5
Terminal List Table
Package K
Functional Block Diagram
Ultra-Sensitive Dual-Channel Quadrature
1
2
3
4
–
Amp
Amp
Pin Number
Package L
5-8
1
2
3
4
Low-
Pass
Low-
Pass
Filter
Filter
Programmable
Trim
OUTPUTB Output from E2 via second Schmitt circuit
OUTPUTA Output from E1 via fi rst Schmitt circuit
Name
GND
VCC
NC
8 Bits
GND
4 Bits
4 Bits
Hall-Effect Bipolar Switch
Connects power supply to on-chip voltage regulator
Terminal for ground connection
No connection
Regulator
Output
Output
Drive
Drive
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
Function
OUTPUTA
OUTPUTB
3