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参数资料
| 型号： | A3421EKA |
| 厂商： | Allegro MicroSystems, Inc. |
| 英文描述： | HALL-EFFECT, DIRECTION-DETECTION SENSORS |
| 中文描述： | 霍尔效应，方向检测传感器 |
| 文件页数： | 11/12页 |
| 文件大小： | 160K |
| 代理商： | A3421EKA |
3421 AND 3422
HALL-EFFECT,
DIRECTION-DETECTION
SENSORS
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
APPLICATIONS INFORMATION
Operation with Fine-Pitch Ring Magnets. For
targets with a circular pitch of less than 4 mm, a perfor-
mance improvement can be observed by rotating the front
face of the sensor subassembly (see below). This sensor
rotation decreases the effective sensor-to-sensor spacing,
provided that the Hall elements are not rotated beyond the
width of the target.
Applications. It is strongly recommended that an
external 0.01
F bypass capacitor be connected (in close
proximity to the Hall sensor) between the supply and
ground of the device to reduce both external noise and
noise generated by the internal logic.
The simplest form of magnet that will operate these
devices is a ring magnet. Other methods of operation,
such as linear magnets, are possible. Extensive applica-
tions information on magnets and Hall-effect sensors is
also available in the “Hsall-Effect IC Applications Guide”
which can be found in the latest issue of the Allegro
MicroSystems Electronic Data Book, AMS-702 or Appli-
cation Note 27701, or at
www.allegromicro.com
Dwg. MH-024
α
TARGET FACE WIDTH, F
>1.50 SIN
α (mm)
>0.059 SIN
α (inch)
1.50
COS
α
(mm)
0.059
COS
α
(inch)
A
0.059"
1.50 mm
12
4
5
3
A
1
2
4
5
3
Rotated sensor for
fine-pitch ring
magnets
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A3421LKA | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:HALL-EFFECT, DIRECTION-DETECTION SENSORS |
| A3421XKA | 制造商:未知厂家 制造商全称:未知厂家 功能描述:HALL-EFFECT. DIRECTION-DETECTION SENSORS |
| A3422EKA | 功能描述:IC SENSOR DIRECT/DETECT 5-SIP RoHS:否 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 |
| A3422EKA-T | 功能描述:IC SENSOR DIRECT/DETECT 5-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 |
| A3422EKA-T | 制造商:Allegro MicroSystems 功能描述:Driver IC Package/Case:5-SIP |
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