A1244LUA-I2-T Allegro Microsystems Inc, A1244LUA-I2-T Datasheet - Page 7

• Manufacturer Part Number: A1244LUA-I2-T
• Description: IC HALL EFFECT LATCH SIP-3
• Manufacturer: Allegro Microsystems Inc
• Series: -r
• Type: Bipolar Latchr

Specifications of A1244LUA-I2-T

• Sensing Range: 80G Trip, -80G Release
• Voltage - Supply: 3 V ~ 24 V
• Current - Supply: 5mA
• Current - Output (max): -
• Output Type: Digital, Open Collector
• Features: High Speed
• Operating Temperature: -40°C ~ 150°C
• Package / Case: *
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 620-1424

A1244
The A1244 output, I
at the Hall sensor IC exceeds the operate point threshold, B
When the magnetic field is reduced to below the release point
threshold, B
figure 1.
RP
, the device output goes low. This is shown in
CC
, switches high after the magnetic field
Figure 1. Hysteresis for the A1244. On the horizontal axis, the B+ direc-
tion indicates increasing south polarity magnetic field strength, and the
B– direction indicates decreasing south polarity field strength (including
the case of increasing north polarity).
Functional Description
I+
0
B–
OP
.
B
HYS
The difference between the magnetic operate and release points
is called the hysteresis of the device, B
esis allows clean switching of the output even in the presence of
external mechanical vibration and electrical noise.
Chopper-Stabilized, Two Wire
B+
I
I
CC(H)
CC(L)
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Hall-Effect Latch
HYS
. This built-in hyster-
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