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AS5311-ATSU

产品描述Board Mount Hall Effect / Magnetic Sensors Linear incremental position sensor
产品类别逻辑    逻辑   
文件大小1MB,共32页
制造商AMS
官网地址https://ams.com/zh
标准
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AS5311-ATSU概述

Board Mount Hall Effect / Magnetic Sensors Linear incremental position sensor

AS5311-ATSU规格参数

参数名称属性值
是否Rohs认证符合
厂商名称AMS
包装说明TSSOP, TSSOP20,.25
Reach Compliance Codeunknown
JESD-30 代码R-PDSO-G20
逻辑集成电路类型LOGIC CIRCUIT
端子数量20
最高工作温度125 °C
最低工作温度-40 °C
封装主体材料PLASTIC/EPOXY
封装代码TSSOP
封装等效代码TSSOP20,.25
封装形状RECTANGULAR
封装形式SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源3.3/5 V
最大电源电流(ICC)21 mA
认证状态Not Qualified
表面贴装YES
温度等级AUTOMOTIVE
端子形式GULL WING
端子节距0.635 mm
端子位置DUAL

文档预览

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A S 5 3 11
High Resolution Magnetic Linear Encoder
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
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.
Furthermore, an incremental output is available with a resolution of
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.
An internal voltage regulator allows the AS5311 to operate at either
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
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

Incremental output with Index

“Red-Yellow-Green” indicators monitor magnet placement over
the chip
3 Applications

Micro-Actuator feedback

Servo drive feedback

Robotics

Replacement of optical encoders
VDD3V3
MagINCn
MagDECn
VDD5V
LDO 3.3V
PWM
Interface
Sin
Ang
PWM
Linear Hall
Array
&
Frontend
Amplifier
Cos
DSP
Mag
Absolute
Interface
(SSI)
DO
CSn
CLK
OTP
Register
Programming
Parameters
Incremental
Interface
A
B
Index
Prog
AS5311
www.ams.com/AS5311
Revision 1.13
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