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参数资料
| 型号： | A1373EKB-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 15/23页 |
| 文件大小： | 466K |
| 描述： | IC SENSOR HALL EFFECT PREC 3-SIP |
| 产品培训模块： | Current Sensor |
| 标准包装： | 500 |
| 传感范围： | 1.75mV/G ~ 11.25mV/G |
| 类型： | 双极或单极，可编程 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 电流 - 电源： | 10mA |
| 电流 - 输出（最大）： | 10mA |
| 输出类型： | 模拟，比率 |
| 特点： | 高精度 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 3-SIP |
| 供应商设备封装： | 3-SIP |
| 包装： | 散装 |
High Precision, Output Pin Programmable
Linear Hall Effect Sensor ICs
A1373 and
A1374
14
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Characteristic Definitions
Quiescent Output Voltage. In the quiescent state (no signifi-
cant magnetic field: B = 0), the output, V
OUTQ
, equals a ratio of
the supply voltage, V
CC
, throughout the entire operating ranges
of V
CC
and ambient temperature, T
A
. Due to internal component
tolerances and thermal considerations, there is a tolerance on the
quiescent output voltage, V
OUTQ
, which is a function of both
V
CC
and T
A
. For purposes of specification, the quiescent out-
put voltage as a function of temperature, V
OUTQ(T
A
)
, is defined
as:
where Sens is in mV/G, and the result is the device equivalent
accuracy, in gauss (G), applicable over the entire operating tem-
perature range.
Sensitivity. The presence of a south-polarity (+B) magnetic
field, perpendicular to the branded face of the device package,
increases the output voltage, V
OUT
, in proportion to the magnetic
field applied, from V
OUTQ
toward the V
CC
rail. Conversely, the
application of a north polarity (B) magnetic field, in the same
orientation, proportionally decreases the output voltage from its
quiescent value. This proportionality is specified as the magnetic
sensitivity of the device and is defined as:
The stability of the device magnetic sensitivity as a function of
ambient temperature, Sens
(T
A
)
(%) is defined as:
Ratiometric. The A1373 and A1374 feature ratiometric
output. This means that the quiescent voltage output, V
OUTQ
,
magnetic sensitivity, Sens, and clamp voltage, V
OUTCLP
, are
proportional to the supply voltage, V
CC
.
The ratiometric change in the quiescent output voltage,
RAT
VOUT(Q)
(%), is defined as:
the ratiometric change in sensitivity is defined as:
and the ratiometric change in clamp voltage is defined as:
Note that clamping effect is applicable only when clamping is
enabled by programming of the device.
Linearity and Symmetry. The on-chip output stage is
designed to provide linear output at a supply voltage of 5 V.
Although the application of very high magnetic fields does not
damage these devices, it does force their output into a nonlinear
region. Linearity in percent is measured and defined as:
and output symmetry as:
?SPAN class="pst A1374EKB-T_2595674_10">V
OUTQ(敜
?/DIV>
)
Sens
(25篊)
V
OUTQ(?/DIV>
?/DIV>
)
V
OUTQ(25篊)
=
(1)
2B
V
OUT(B)
V
OUT(+B)
Sens
=
?SPAN class="pst A1374EKB-T_2595674_10">Sens
(敜
?/DIV>
)
Sens
(?/DIV>
?/DIV>
)
Sens
(25篊)
Sens
(25篊)
=
?100%
(2)
(3)
V
CC
5 V
V
OUTQ(V
CC
)
V
OUTQ(5V)
RAT
VOUT(Q)
=
?100%
(4)
V
CC
5 V
=
?100%
RAT
Sens
Sens
(V
CC
)
Sens
(5V)
(5)
=
%
Lin+
V
OUT(+B?
V
OUTQ
V
OUT(+B)
V
OUTQ
(7)
=
?100%
Lin
2(V
OUT(B?
V
OUTQ
)
V
OUT(B)
V
OUTQ
(8)
=
?100%
Sym
V
OUT(+B)
V
OUTQ
V
OUT(B)
V
OUTQ
(9)
=
RAT
VCLP
V
CC
5 V
V
CLP(V
CC
)
V
CLP(5V)
?100%
(6)
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相关代理商/技术参数 |
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| A1373EKBTI | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:High Precision, Output Pin Programmable Linear Hall Effect Sensors |
| A1373EKBTI-T | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:High Precision, Output Pin Programmable Linear Hall Effect Sensors |
| A1373LKB | 功能描述:IC SENSOR HALL EFFECT PREC 3-SIP RoHS:否 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
| A1373LKB-T | 功能描述:IC SENSOR HALL EFFECT PREC 3-SIP RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
| A1373LKBTI | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:HIgh Precision, Output Pin Programmable Linear Hall Effect Sensors |
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