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3422 Datasheet, PDF (2/10 Pages) Unisonic Technologies – HIGH PERFORMANCE DUAL BIPOLAR OPERATINAL AMPLIFIER
3422
HALL-EFFECT,
DIRECTION-DETECTION
SENSOR
Selection Guide
Part Number
A3422EKA-T
A3422LKA-T
Pb-Free1
Yes
Yes
Packing2
Bulk, 500 pieces/bag
Bulk, 500 pieces/bag
Mounting
5-pin SIP through hole
5-pin SIP through hole
Ambient, TA
(°C)
–40 to 85
–40 to 150
1Pb-based variants are being phased out of the product line. The variants cited in this footnote are in production but have
been determined to be NOT FOR NEW DESIGN. This classification indicates that sale of this device is currently restricted to
existing customer applications. The variants should not be purchased for new design applications because obsolescence in the
near future is probable. Samples are no longer available. Status change: May 1, 2006. These variants include: A3422EKA and
A3422LKA.
2Contact Allegro for additional packing options.
FUNCTIONAL BLOCK DIAGRAM
1 SUPPLY
UVLO
REG
POWER-ON
LOGIC
2 DIRECTION
3 GROUND
4 E1 OUTPUT
X
E1
E2
X
5 SPEED
+B
0
-B
+B BOP2
0
-B
OUT E1
OUT E2
(INTERNAL)
SPEED
(OUTE1 XOR OUT E2)
DIRECTION
Dwg. WH-012A
TIMING DIAGRAM
BOP1
BRP1
BRP2
td
Dwg. FH-018
115 Northeast Cutoff, Box 15036
2
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 2001, 2003 Allegro MicroSystems, Inc.