參數(shù)資料
型號(hào): A1642LKTN-I2-T
元件分類: 磁阻傳感器
英文描述: MAGNETIC FIELD SENSOR-HALL EFFECT, 3-100mT, RECTANGULAR, THROUGH HOLE MOUNT
封裝: LEAD FREE, SIP-4
文件頁數(shù): 10/13頁
文件大?。?/td> 326K
代理商: A1642LKTN-I2-T
6
A1642LK-DS
Worcester, Massachusetts 01615-0036 (508) 853-5000
115 Northeast Cutoff, Box 15036
www.allegromicro.com
Allegro MicroSystems, Inc.
Two-Wire True Zero-Speed Miniature Differential Peak-Detecting Sensor with Continuous Calibration
A1642LK
ΔTEAGIN (mm)
Δ
TEAG
OUT
(mm)
Allowable Air Gap Movement from TEAGCAL*
-0.2
0
0.2
0.4
0.6
0.8
1.0
1.2
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Characteristic Allowable Air Gap Movement
The colored area in the chart above shows the region of allow-
able air gap movement within which the sensor will continue
output switching. The output duty cycle is wholly dependent on
the target’s magnetic signature across the air gap range of move-
ment, and may not always be within specication throughout the
entire operating region (to AG(OPmax)).
The axis parameters for the chart are dened in the draw-
ings below. As an example, assume the case where the air gap
is allowed to vary from from the nominal installed air gap
(TEAGCAL, panel a) within the range dened by an increase of
ΔTEAGOUT = 0.35 mm (shown in panel b), and a decrease of
ΔTEAGIN = 0.65 mm (shown in panel c). This case is plotted
with an “x” in the chart above.
For more information on these gures and the calculations used
to generate them, please refer to the Applications Note Deter-
mining Allowable Air Gap Variation for the ATS642.
TEAG
IN
Sensor
TEAG
OUT
(a)
Sensor
TEAG
CAL
(b)
(c)
*Data based on study performed using spur gear reference target 60-0, and
applicable to ring magnet targets with similar magnetic characteristics.
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