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A S5 3 11
H i g h R e s o l u t i o n M a g n e t i c L i n e a r E n co d er
1 General Description
The AS5311 is a contactless high resolution magnetic linear encoder
for accurate linear motion and off-axis rotary sensing with a
resolution down to <0.5μm. It is a system-on-chip, combining
integrated Hall elements, analog front end and digital signal
processing on a single chip, packaged in a small 20-pin TSSOP
package.
A multi-pole magnetic strip or ring with a pole length of 1.0mm is
The AS5311 is available in a PB-free TSSOP-20 package and
qualified for an ambient temperature range from -40°C to +125°C.
2 Key Features
?? Two 12-bit digital absolute outputs:
- Serial interface and
- Pulse width modulated (PWM) output
required to sense the rotational or linear motion. The magnetic strip
is placed above the IC at a distance of typ. 0.3mm.
The absolute measurement provides instant indication of the magnet
position within one pole pair with a resolution of 488nm per step (12-
bit over 2.0mm). This digital data is available as a serial bit stream
and as a PWM signal.
?? Incremental output with Index
?? “Red-Yellow-Green” indicators monitor
the chip
3 Applications
magnet placement over
Furthermore, an incremental output is available with a resolution of
?? Micro-Actuator
feedback
1.95μm per step. An index pulse is generated once for every pole
pair (once per 2.0mm).The travelling speed in incremental mode is
up to 650mm/second.
?? Servo drive feedback
?? Robotics
An internal voltage regulator allows the AS5311 to operate at either
?? Replacement
of optical encoders
3.3 V or 5 V supplies. Depending on the application the AS5311
accepts multi-pole strip magnets as well as multi-pole ring magnets,
both radial and axial magnetized (see Figure 1 and Figure 3 ).
Figure 1. AS5311 Block Diagram
VDD3V3
MagINCn
VDD5V
LDO 3.3V
Sin
Ang
PWM
Interface
MagDECn
PWM
Linear Hall
Array
&
Cos
DSP
Mag
Absolute
Interface
(SSI)
DO
CSn
Frontend
Amplifier
OTP
Register
CLK
AS5311
Programming
Parameters
Incremental
Interface
A
B
Index
Prog
www.ams.com/AS5311
Revision 1.12
1 - 29
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相关代理商/技术参数
AS5311_07 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:High Resolution Magnetic Linear Encoder
AS5311-AB 制造商:ams 功能描述:AS5311 Adapter Board
AS5311ASST 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:High Resolution Magnetic Linear Encoder
AS5311-ASST 功能描述:IC ENCODER LINEAR 20-TSSOP 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
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
AS5311-ATST-500 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