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參數(shù)資料
| 型號： | A1425LK |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數(shù)： | 11/13頁 |
| 文件大小： | 404K |
| 描述： | IC SENSOR HALL EFFECT AC 4-SIP |
| 標準包裝： | 500 |
| 傳感范圍： | 11G 跳閘，-11G 釋放 |
| 類型： | 專用型 |
| 電源電壓： | 4 V ~ 26.5 V |
| 電流 - 電源： | 7mA |
| 電流 - 輸出（最大）： | 25mA |
| 輸出類型： | 數(shù)字，開路集電極 |
| 特點： | 高精度 |
| 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 |
High Accuracy Analog Speed Sensor IC with Integrated
Filter Capacitor and Dual Zero-Crossing Output Signal
A1425
11
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Target Selection
The zero-crossing switchpoints and AC-coupled operation of this
device make target selection important. For high-density target
geometries or small target features that produce a sinusoidal
magnetic signal, the high-pass lter is capable of ltering offsets
that may be induced in the nal device output. If such offset is
present, and the target has larger features, then the high-pass
lter may not be effective at higher speeds and an accuracy shift
may occur. These relationships are shown in gure 2.
Power Supply Protection
The A1425 contains an on-chip voltage regulator and can oper-
ate over a wide supply voltage range. In applications that operate
the device from an unregulated power supply, transient protec-
tion must be added externally. For applications using a regulated
line, EMI/RFI protection may still be required. The circuit
shown in gure 3 is the most basic con guration required for
proper device operation.
Applications Information
2
1
3
(Required)
4
V
OUT
0.1 uF
R
PU
VCC
A1425
Figure 3. Basic application circuit. A pull-up resistor, R
PU
, is required
with the output driver.
+B
+V
0
0
0
B
t
+B
Output Edge
Shift
+V
0
B
t
Valley
Large Feature (Tooth)
Figure 2. Large Feature Effects. (a) Large target feature but no device offset,
normal edge position. (b) Large target feature with negative device offset, shifted
(advanced) output edge position.
(a)
(b)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| A1425LK-T | 功能描述:IC SENSOR HALL EFFECT AC 4-SIP RoHS:是 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數(shù)字式開關，線性，羅盤 (IC) 系列:- 標準包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數(shù)字式，PWM，8.5 位串行 特點:可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| A1425-PQ160C | 制造商:Microsemi SOC Products Group 功能描述: |
| A1428AG1 | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:DIP PLUG PITCH:2.54mm |
| A1428AG2 | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:DIP PLUG PITCH:2.54mm |
| A1428AS1 | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:DIP PLUG PITCH:2.54mm |
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