Datasheet > AS5311-ATSU

AS5311-ATSU

更新时间： 2024-11-28 12:49:07

品牌	Logo	应用领域
艾迈斯 - AMSCO		编码器
页数	文件大小	规格书
29页	418K
描述
High Resolution Magnetic Linear Encoder

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技术参数
数据手册

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AS5311-ATSU 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	TSSOP, TSSOP20,.25	Reach Compliance Code：	unknown
风险等级：	8.6	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
子类别：	Other Logic ICs	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

AS5311-ATSU 数据手册

AS5311

High Resolution Magnetic Linear Encoder

The AS5311 is available in a PB-free TSSOP-20 package and

qualified for an ambient temperature range from -40°C to +125°C.

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.

2 Key Features

Two 12-bit digital absolute outputs:

- Serial interface and

- Pulse width modulated (PWM) output

Incremental output with Index

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.

“Red-Yellow-Green” indicators monitor magnet placement over

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.

the chip

3 Applications

Micro-Actuator feedback

Servo drive feedback

Robotics

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.

Replacement of optical encoders

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

VDD3V3

MagINCn

MagDECn

VDD5V

LDO 3.3V

PWM

Interface

Sin

Ang

Absolute

Interface

(SSI)

DSP

Linear Hall

Array

Cos

Mag

CSn

CLK

Frontend

Amplifier

OTP

Incremental

Interface

Programming

Parameters

AS5311

Index

Prog

www.ams.com/AS5311

Revision 1.12

1 - 29

12 3 4 5 6 7...29

中文翻译

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