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參數資料
| 型號： | A1645LK-I2 |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數： | 6/14頁 |
| 文件大?。?/td> | 356K |
| 描述： | IC SENSOR HALL EFFECT AC 4-SIP |
| 產品培訓模塊： | Current Sensor |
| 標準包裝： | 500 |
| 傳感范圍： | 120mV 跳閘，120mV 釋放 |
| 類型： | 專用型 |
| 電源電壓： | 4 V ~ 24 V |
| 電流 - 電源： | 8.4mA |
| 輸出類型： | 數字，開路集電極 |
| 工作溫度： | -40°C ~ 150°C |
| 封裝/外殼： | 4-SIP |
| 供應商設備封裝： | 4-SIP |
| 包裝： | 散裝 |
Two-Wire True Zero-Speed Miniature Differential
Peak-Detecting Sensor IC with Continuous Calibration
A1642
6
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
?SPAN class="pst A1645LK-I2_2596879_5">TEAG
IN
(mm)
Allowable Air Gap Movement from TEAG
CAL
*
-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 device will continue
output switching. The output duty cycle is wholly dependent on
the targets magnetic signature across the air gap range of move-
ment, and may not always be within speci cation throughout the
entire operating region (to AG
(OPmax)
).
The axis parameters for the chart are de ned in the drawings
below. As an example, assume the case where the air gap is
allowed to vary from the nominal installed air gap (TEAG
CAL
,
panel a) within the range de ned by an increase of DTEAG
OUT
=
0.35 mm (shown in panel b), and a decrease of DTEAG
IN
=
0.65 mm (shown in panel c). This case is plotted with an x in
the chart above.
TEAG
IN
A1642
A1642
TEAG
OUT
(a)
A1642
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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