Datasheet > AS5304

AS5304

更新时间： 2024-11-28 06:37:51

品牌	Logo	应用领域
艾迈斯 - AMSCO		/
页数	文件大小	规格书
13页	474K
描述
Integrated Hall ICs for Linear and Off-Axis Rotary Motion Detection

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AS5304 数据手册

AS5304 / AS5306

PRELIMINARY DATA SHEET

Integrated Hall ICs for

Linear and Off-Axis Rotary Motion Detection

1 General Description

2 Benefits

The AS5304/AS5306 are single-chip IC’s with integrated

Hall elements for measuring linear or rotary motion using

multi-pole magnetic strips or rings.

•

Complete system-on-chip

High reliability due to non-contact sensing

Suitable for the use in harsh environments

Robust against external magnetic stray fields

This allows the usage of the AS5304/AS5306 in

applications where the Sensor IC cannot be mounted at the

end of a rotating device (e.g. at hollow shafts). Instead, the

AS5304/AS5306 are mounted off-axis underneath a multi-

pole magnetized ring or strip and provides a quadrature

incremental output with 40 pulses per pole period at

speeds of up to 20 meters/sec (AS5304) or 12 meters/sec

(AS5306).

3 Key Features

•

High speed, up to 20m/s (AS5304)

12m/s (AS5306)

•

Magnetic pole pair length: 4mm (AS5304) or

2.4mm (AS5306)

A single index pulse is generated once for every pole pair

at the Index output.

•

Resolution: 25µm (AS5304) or 15µm (AS5306)

40 pulses / 160 positions per magnetic period.

1 index pulse per pole pair

Using, for example,

32pole-pair magnetic ring, the

resolution of 1280

AS5304/AS5306 can provide

pulses/rev, which is equivalent to 5120 positions/rev or

12.3bit. The maximum speed at this configuration is 9375

rpm.

Linear movement measurement using multi-pole

magnetic strips

The pole pair length is 4mm (2mm north pole / 2mm south

pole) for the AS5304, and 2.4mm (1.2mm north pole /

1.2mm south pole) for the AS5306. The chip accepts a

magnetic field strength down to 5mT (peak).

•

Circular off-axis movement measurement using multi-

pole magnetic rings

•

4.5 to 5.5V operating voltage

Magnetic field strength indicator, magnetic field alarm

for end-of-strip or missing magnet

Both chips are available with push-pull outputs

(AS530xA) or with open drain outputs (AS530xB).

The AS5304/AS5306 are available in

a small 20-pin

4 Applications

The AS5304/AS5306 are ideal for high speed linear motion

and off-axis rotation measurement in applications such as

TSSOP package and specified for an operating ambient

temperature of -40° to +125°C.

•

electrical motors

X-Y-stages

rotation knobs

industrial drives

Figure 1:

AS5304 (AS5306) with multi-pole ring magnet.

Figure 2:

AS5306 (AS5304) with magnetic multi-pole strip magnet

for linear motion measurement

Revision 1.5

www.austriamicrosystems.com

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与AS5304相关器件

型号	品牌	获取价格	描述	数据表
AS5304_13	AMSCO	获取价格	Magnetic Multipole Ring, MR20-44 Pole Length 2.0 mm, 44 Poles
AS5304A	AMSCO	获取价格	Integrated Hall ICs for Linear and Off-Axis Rotary Motion Detection
AS5304A-ATSU	ETC	获取价格	Integrated Hall ICs for Linear and Off-Axis Rotary Motion Detection
AS5304B	AMSCO	获取价格	Integrated Hall ICs for Linear and Off-Axis Rotary Motion Detection
AS5305	AMSCO	获取价格	Integrated Hall IC for Linear and Off-Axis Rotary Motion Detection
AS5306	AMSCO	获取价格	Magnetic Multipole Strip MS12-250 Pole Length 1.2mm, 250 Poles
AS5306_11	AMSCO	获取价格	Magnetic Multipole Strip MS12-250 Pole Length 1.2mm, 250 Poles
AS5306A	AMSCO	获取价格	Integrated Hall ICs for Linear and Off-Axis Rotary Motion Detection
AS5306B	AMSCO	获取价格	Integrated Hall ICs for Linear and Off-Axis Rotary Motion Detection
AS5311	AMSCO	获取价格	High Resolution Magnetic Linear Encoder

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