AS5311
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
The number of incremental steps per revolution can be calculated as:
(EQ 3)
incremental _ steps = 1024 * nbr _ polepairs
(EQ 4)
incrementa l _ steps =
1024 * d * π
2
Note: The circumference (d* π ) must be a multiple of one polepair = 2mm, hence the diameter of the magnet ring may need to be adjusted
accordingly:
(EQ 5)
d =
nbr _ polepairs * 2 mm
π
The maximum rotational speed can be calculated as:
(EQ 6)
max_ rot _ speed =
max_ lin _ speed * 60
d * π
=
39000
d * π
Where:
nbr_polepairs is the number of pole pairs at the magnet ring.
d is the diameter of the ring in mm; the diameter is taken at the locus of the Hall elements underneath the magnet.
max_rot_speed is the maximum rotational speed in revolutions per minute rpm.
max_lin_speed is the maximum linear speed in mm/sec (=650 mm/s for AS5311).
Note: Further examples are shown in the “Magnet Selection Guide”, available for download from the ams website.
www.ams.com/AS5311
Revision 1.12
24 - 29
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AS5311ASST 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:High Resolution Magnetic Linear Encoder
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AS5311ASSU 制造商:ams 功能描述:TSSOP20
AS5311-ATST 功能描述:IC ENCODER LINEAR ROTARY 20TSSOP 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
AS5311-ATST-1000 功能描述:IC ENCODER LINEAR 20-TSSOP 制造商:ams 系列:- 零件状态:有效 编码器类型:磁性 输出类型:PWM 每转脉冲数:- 电压 - 电源:3.3V,5V 致动器类型:外磁铁,不含 棘爪:无 内置开关:无 安装类型:表面贴装 朝向:- 端子类型:SMD(SMT)接片 旋转寿命(最少次数):- 标准包装:1,000
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