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参数资料
| 型号： | A1302KLHLT-T |
| 元件分类： | 速度传感器和接近开关 |
| 英文描述： | PROXIMITY SENSOR-HALL EFFECT, 2.40-2.60V, RECTANGULAR, SURFACE MOUNT |
| 封装： | LEAD FREE, SOT-23W, 3 PIN |
| 文件页数： | 4/8页 |
| 文件大小： | 267K |
| 代理商： | A1302KLHLT-T |
Continuous-Time Ratiometric
Linear Hall Effect Sensors
A1301 and
A1302
4
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Characteristic Definitions
Quiescent Output Voltage.
In the quiescent state (no sig-
nificant magnetic field: B = 0), the output, VOUTQ, equals one
half of the supply voltage, VCC, throughout the entire operating
ranges of VCC and ambient temperature, TA. Due to internal
component tolerances and thermal considerations, there is a
tolerance on the quiescent output voltage, ΔVOUTQ, which is
a function of both ΔVCC and ΔTA. For purposes of specifica-
tion, the quiescent output voltage as a function of temperature,
ΔVOUTQ(ΔT
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, VOUT, in proportion to the magnetic
field applied, from VOUTQ toward the VCC 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, ΔSens (ΔT
A) (%) is defined as:
Ratiometric.
The A1301 and A1302 feature a ratiometric
output. This means that the quiescent voltage output, VOUTQ,
and the magnetic sensitivity, Sens, are proportional to the supply
voltage, VCC.
The ratiometric change (%) in the quiescent voltage output is
defined as:
and the ratiometric change (%) in sensitivity is defined as:
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:
ΔVOUTQ(ΔΤ
Α)
Sens(25C)
VOUTQ(Τ
Α)
VOUTQ(25C)
–
=
(1)
2B
VOUT(–B) VOUT(+B)
Sens
–
=
ΔSens(ΔΤ
Α)
Sens(Τ
Α)
Sens(25C)
–
=
× 100%
(2)
(3)
VCC
5V
VOUTQ(VCC) VOUTQ(5V)
ΔVOUTQ(ΔV) =
× 100%
(4)
VCC 5V
=
× 100%
ΔSens(ΔV)
Sens(VCC)
Sens(5V)
(5)
=
× 100%
Lin+
2 (VOUT(+B) –VVOUTQ )
–
VOUT(+B) VOUTQ
(6)
=
× 100%
Lin–
2(VOUT(–B) –VOUTQ)
–
VOUT(–B) VOUTQ
(7)
–
=
× 100%
Sym
VOUT(+B)
VOUTQ –VOUT(–B)
VOUTQ
(8)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A1302KLHLT-T-CUT | 制造商:Allegro MicroSystems LLC 功能描述: |
| A1302KLHLX-T | 制造商:Allegro MicroSystems 功能描述:CONTINUOUS TIME LINEAR HALL-EF 制造商:ALLEGRO MICROSYSTEMS, LLC 功能描述:IC HALL EFFECT SENSOR SOT-23W |
| A1302KUA | 制造商:Allegro MicroSystems LLC 功能描述:IC, HALL EFFECT SENSOR, LINEAR, SIP-3, Hall Effect Type:Linear, Output Current:1 |
| A1302KUA-T | 功能描述:IC SENSOR HALL EFFECT 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 |
| A130-3 | 功能描述:SCREWDRIVER SLOTTED 1/8" 4.88" 制造商:klein tools, inc. 系列:- 零件状态:在售 工具类型:螺丝刀 尖头 - 类型:开槽型 尺寸:1/8" 长度 - 插片:3.00"（76.2mm） 长度 - 总:4.88"（124.0mm） 特性:黑色刀头，表面镀铬，口袋夹 重量:0.04 磅（18.14g） 标准包装:12 |
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