参数资料
型号: A1361LKTTN-T
元件分类: 磁阻传感器
英文描述: MAGNETIC FIELD SENSOR-HALL EFFECT, 4.65-4.80V, RECTANGULAR, THROUGH HOLE MOUNT
封装: LEAD FREE, PLASTIC, SIP-4
文件页数: 4/25页
文件大小: 615K
代理商: A1361LKTTN-T
A1360, A1361,
and A1362
Symmetry Sensitivity Error
The magnetic sensitivity of an
A136x device is constant for any two applied magnetic fields of
equal magnitude and opposite polarities.
Symmetry error, SymERR (%), is measured and defined as:
Sens
BPOS
Sens
BNEG
1–
Sym
ERR =
×100% ,
(12)
where SensBx is as defined in equation 4, and BPOS and BNEG are
positive and negative magnetic fields such that |BPOS| = |BNEG|.
Note that the symmetry error specification is only valid for bipolar
devices.
Ratiometry Error
The A136x devices feature ratiometric output.
This means that the quiescent voltage output, VOUT(Q), magnetic
sensitivity, Sens, and clamp voltage, VCLP(HIGH) and VCLP(LOW),
are proportional to the supply voltage, VCC. In other words, when
the supply voltage increases or decreases by a certain percent-
age, each characteristic also increases or decreases by the same
percentage. Error is the difference between the measured change
in the supply voltage relative to 5 V, and the measured change in
each characteristic.
The ratiometric error in quiescent voltage output, RatERRVOUT(Q)
(%), for a given supply voltage, VCC, is defined as:
V
OUT(Q)(VCC) / VOUT(Q)(5V)
V
CC / 5 V
1–
Rat
ERRVOUT(Q) =
×100% .
(13)
The ratiometric error in magnetic sensitivity, RatERRSENS (%), for
a given supply voltage, VCC, is defined as:
Sens
(VCC) / Sens(5V)
V
CC / 5 V
1–
Rat
ERRSENS =
×100% .
(14)
The ratiometric error in the clamp voltages, RatERRCLP (%), for a
given supply voltage, VCC, is defined as:
V
CLP(VCC) / VCLP(5V)
V
CC / 5 V
1–
Rat
ERRCLP =
×100% ,
(15)
where VCLP is either VCLP(HIGH) or VCLP(LOW).
Low-Noise Programmable Linear Hall Effect Sensor ICs with
Adjustable Bandwidth (50 kHz Maximum) and Analog Output
12
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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