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AS5304/AS5306 Integrated Hall IC for linear and off-axis rotary motion detection
5
Functional Description
The AS5304/AS5306 require a multi-pole magnetic strip or ring with a pole length of 2mm (4mm pole pair length) on the
AS5304, and a pole length of 1.2mm (2.4mm pole pair length) on the AS5306. The magnetic field strength of the multi-pole
magnet should be in the range of 5 to 60mT at the chip surface.
The Hall elements on the AS5304/AS5306 are arranged in a linear array.
By moving the multi-pole magnet over the Hall array, a sinusoidal signal (SIN) is generated internally. With proper configuration
of the Hall elements, a second 90° phase shifted sinusoidal signal (COS) is obtained. Using an interpolation circuit, the len gth
of a pole pair is divided into 160 positions and further decoded into 40 quadrature pulses.
An Automatic Gain Control provides a large dynamic input range of the magnetic field.
An Analog output pin (AO) provides an analog voltage that changes with the strength of the magnetic field (see chapter 8).
Hall Array
&
Frontend
Amplifier
SIN
COS
Signal
Processing
&
Channel
Amplifier
SIN
COS
ADC
&
DSP
A/B
Quadrature
Incremental
Interface
&
Index
A
B
Index
magnetic
6
Automatic
Gain
Control
Figure 3:
Sensor Placement in Package
field alarm
AS5304 / AS5306 block diagram
Analog
Output
AO
TSSOP20 / 0.65mm pin pitch
0.2299±0.100
Die C/L
0.2341±0.10 0
Package
Outline
0.7701±0.150
3.0475±0.235
Die Tilt Tolerance ±1o
Figure 4:
Sensor in package
Revision 1.9
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相关代理商/技术参数
AS5304-DK-ST-1.0
制造商:ams 功能描述:Demo Board
AS5304-TS_EK_AB
功能描述:AS5304A, AS5304B - Magnetic, Linear, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:磁性，线性，旋转位置 感应范围:- 接口:模拟 灵敏度:- 电压 - 电源:4.5 V ~ 5.5 V 嵌入式:- 所含物品:板 使用的 IC/零件:AS5304A，AS5304B 标准包装:1
AS5304-TS_EK_DB
功能描述:AS5304/B - Hall Effect Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:霍尔效应 感应范围:5mT 跳闸，60mT 释放 接口:- 灵敏度:- 电压 - 电源:9V 嵌入式:否 所含物品:2 个板，电池，夹具，磁条 使用的 IC/零件:AS5304/B 标准包装:1
AS5305
制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Integrated Hall IC for Linear and Off-Axis Rotary Motion Detection
AS5306/B DB
功能描述:BOARD DEMO AS5306 RoHS:否 类别:编程器，开发系统 >> 评估板 - 传感器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program 标准包装:1 系列:-
AS5306A
制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Integrated Hall ICs for Linear and Off-Axis Rotary Motion Detection
AS5306A/B DB
制造商:ams 功能描述:BOARD DEMO FOR AS5306A/B
AS5306A-ATSM
功能描述:IC ENCODER 20TSSOP 制造商:ams 系列:- 零件状态:有效 编码器类型:磁性 输出类型:正交（增量） 每转脉冲数:1280 电压 - 电源:4.5 V ~ 5.5 V 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:500