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参数资料
| 型号： | A1425LK |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 11/13页 |
| 文件大小： | 404K |
| 描述： | IC SENSOR HALL EFFECT AC 4-SIP |
| 标准包装： | 500 |
| 传感范围： | 11G 跳闸，-11G 释放 |
| 类型： | 专用型 |
| 电源电压： | 4 V ~ 26.5 V |
| 电流 - 电源： | 7mA |
| 电流 - 输出（最大）： | 25mA |
| 输出类型： | 数字，开路集电极 |
| 特点： | 高精度 |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | 4-SIP |
| 供应商设备封装： | 4-SIP |
| 包装： | 散装 |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| A1425LK-T | 功能描述:IC SENSOR HALL EFFECT AC 4-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 |
| A1425-PQ160C | 制造商:Microsemi SOC Products Group 功能描述: |
| A1428AG1 | 制造商:DBLECTRO 制造商全称:DB Lectro Inc 功能描述:DIP PLUG PITCH:2.54mm |
| A1428AG2 | 制造商:DBLECTRO 制造商全称:DB Lectro Inc 功能描述:DIP PLUG PITCH:2.54mm |
| A1428AS1 | 制造商:DBLECTRO 制造商全称:DB Lectro Inc 功能描述:DIP PLUG PITCH:2.54mm |
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