A1391SEHLT-T Allegro Microsystems Inc, A1391SEHLT-T Datasheet - Page 9

• Manufacturer Part Number: A1391SEHLT-T
• Description: IC SENSOR HALL EFFECT 6-MLP
• Manufacturer: Allegro Microsystems Inc
• Type: Linearr

Specifications of A1391SEHLT-T

• Package / Case: 6-WFDFN Exposed Pad
• Sensing Range: 1.25mV/G
• Voltage - Supply: 2.5 V ~ 3.5 V
• Current - Supply: 3.2mA
• Output Type: Tri-State
• Operating Temperature: -20°C ~ 85°C
• Peak Reflow Compatible (260 C): Yes
• Termination Type: SMD
• Bandwidth: 10kHz
• Supply Voltage Max: 8V
• Sensitivity: 1.25
• No. Of Pins: 6
• Hall Effect Type: Linear
• Supply Voltage Min: 2.5V
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output (max): -
• Features: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 620-1031-2

A1391, A1392,
A1393, and A1395
Ratiometric. The A139x devices feature ratiometric output.
The quiescent voltage output and sensitivity are proportional to
the ratiometric supply reference voltage.
The percent ratiometric change in the quiescent voltage output is
defined as:
and the percent ratiometric change in sensitivity is defined as:
ΔV
ΔSens
OUTQ(ΔV)
(ΔV)
=
=
ΔSens
ΔV
OUTQ(V
(V
V
REF
REF
V
)
REF
÷
REF
÷ 3 V
ΔSens
)
÷
÷ 3 V
ΔV
(3V)
OUTQ(3V)
× 100%
with Tri-State Output and User Selectable Sleep Mode
× 100 %
Characteristics Definitions
Micro Power 3 V Linear Hall Effect Sensor ICs
(1)
(2)
Linearity and Symmetry. The on-chip output stage is
designed to provide a linear output with maximum supply voltage
of V
not damage these devices, it will force the output into a non-lin-
ear region. Linearity in percent is measured and defined as
and output symmetry as
CCN
Lin+
Lin–
Sym
. Although application of very high magnetic fields will
=
=
=
2(V
2(V
V
V
V
V
OUT(+B)
OUT(+B / 2)
OUT(–B)
OUT(–B / 2)
OUT(+B)
OUTQ
– V
–
–
–
V
OUT(–B)
– V
– V
V
OUTQ
V
OUTQ
OUTQ
OUTQ
OUTQ
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
)
)
× 100 %
× 100 %
× 100 %
(3)
(4)
(5)
9