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参数资料
| 型号： | AS5215 DB |
| 厂商： | ams |
| 文件页数： | 11/27页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO AS5215 |
| 标准包装： | 1 |
| 传感器类型： | 磁性，旋转位置 |
| 传感范围： | 360° |
| 接口： | USB |
| 灵敏度： | -161dB |
| 电源电压： | 5V USB 或 9V |
| 嵌入式： | 是，MCU，8 位 |
| 已供物品： | 板，线缆 |
| 已用 IC / 零件： | AS5215 |
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AS5215
Datasheet - D e t a i l e d D e s c r i p t i o n
For the 6mm magnet (shown in Figure 5 ), the linear range has a radius of 1.6mm, hence this magnet allows a radial misalignment of 0.5mm
(1.6mm linear range radius; 1mm Hall array radius). Consequently, the larger the linear range, the more radial misalignment can be tolerated. By
contrast, the slope of the linear range decreases with increasing magnet diameter, as the poles are further apart. A smaller slope results in a
smaller differential signal, which means that the magnet must be moved closer to the IC (smaller airgap) or the amplification gain must be
increased, which leads to a poorer signal-to-noise ratio. More noise results in more jitter at the angle output. A good compromise is a magnet
diameter in the range of 5…8mm.
Small Diameter Magnet (<6mm)
+ stronger differential signal =
good signal / noise ratio,
larger airgaps
- shorter linear range =
smaller horizontal misalignment area
Figure 5. Vertical Magnetic Field Across the Center of a Cylindrical Magnet
Bz; 6mm magnet @ y=0; z=1mm
Hall elements (side view)
X -displacement [mm]
Large Diameter Magnet (>6mm)
+ wider linear range =
larger horizontal misalignment area
- weaker differential signal =
poorer signal / noise ratio,
smaller airgaps
www.austriamicrosystems.com/AS5215
Revision 1.11
10 - 26
相关PDF资料 |
PDF描述 |
|---|---|
| AS5245 DB | BOARD DEMO AS5245 |
| AS5304-DK-1.0 | BOARD DEMO AS5304 |
| AS5311 DB | BOARD EVAL FOR AS5311 |
| ASEK712ELC-05B-T-DK | BOARD EVAL FOR ASEK712ELC-05B |
| ASPF240D3R | RELAY SSR 3A 240VAC SIP PHASE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AS5215-HQFT | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Programmable 360o Magnetic Angle Encoder with Buffered SINE & COSINE Output Signals |
| AS5215-HQFT-OM | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Programmable 360o Magnetic Angle Encoder with Buffered SINE & COSINE Output Signals |
| AS5215OM | 制造商:ams 功能描述:IC ENCODER PROG 32QFN 制造商:ams 功能描述:T&R / QFN 32 |
| AS5215OM-500 | 制造商:ams 功能描述:IC ENCODER ROTARY 32-QFN |
| AS5215OM-HMFM | 功能描述:IC ENCODER ROTARY 32-QFN 制造商:ams 系列:汽车级，AEC-Q100 零件状态:有效 编码器类型:磁性 输出类型:电压 每转脉冲数:- 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:1 |
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