A1221LUA-T Allegro Microsystems, Bipolar Hall Effect Sensor, 3-Pin SIP

Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): PH
Product Details

A1220/1/2/3 Chopper Stabilised Hall Effect Latches, Allegro Microsystems

The Allegro Microsystems A1220, A1221, A1222, and A1223 Hall-effect Latches include a voltage regulator, Hall voltage generator, small-signal amplifier, chopper stabilisation and Schmitt trigger. They are also short circuit protected open-drain output to sink up to 25 mA.

A south pole turns on the output and a north pole turns off the output.

The voltage regulator permits operation with supply voltages of 3 V to 24 V.

Available in two package styles; 3-pin SOT23W for surface-mounting and a three-pin ultra-mini SIP for through-hole mounting.

AEC-Q100 automotive qualified
Symmetrical latch switchpoints
Resistant to physical stress
Superior temperature stability
Output short circuit protection
Operation from unregulated supply down to 3 V
Reverse battery protection

Hall Effect Sensors, Allegro MicroSystems

Attribute Value
Magnetic Type Bipolar
Mounting Type Through Hole
Pin Count 3
Minimum Magnetic Sensor Release Point -90 Gs
Maximum Magnetic Sensor Operating Point 90 Gs
Minimum Operating Supply Voltage 3 V
Maximum Operating Supply Voltage 24 V
Length 4.09mm
Width 1.52mm
Height 3.02mm
Dimensions 4.09 x 1.52 x 3.02mm
Minimum Operating Temperature -40 °C
Maximum Operating Temperature +150 °C
Package Type SIP
Typical Magnetic Sensor Hysteresis 100 Gs
Discontinued product