参数资料
型号: AS5043 DB V2
厂商: ams
文件页数: 22/37页
文件大小: 0K
描述: BOARD DEMO AS5043
标准包装: 1
传感器类型: 磁性,旋转位置
传感范围: 360°
接口: USB
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: AS5043
AS5043
Data Sheet – Choosing the Proper Magnet
15.1.1 Magnet Placement
The magnet’s center axis should be aligned within a displacement radius R d of 0.25mm from the defined center of the IC
with reference to the edge of pin #1 (see Figure 19). This radius includes the placement tolerance of the chip within the
SSOP-16 package (+/- 0.235mm).
The displacement radius R d is 0.485mm with reference to the center of the chip (see section Alignment Mode).
The vertical distance should be chosen such that the magnetic field on the die surface is within the specified limits (see
Figure 18). The typical distance “z” between the magnet and the package surface is 0.5mm to 1.8mm with the
recommended magnet (6mm x 3mm). Larger gaps are possible, as long as the required magnetic field strength stays
within the defined limits.
A magnetic field outside the specified range may still produce usable results, but the out-of-range condition will be
indicated by MagRngn (pin 1), which will be pulled low. At this condition, the angular data is still available over the digital
serial interface (SSI), but the analog output will be turned off.
Figure 20: Vertical Placement of the Magnet
N
S
www.austriamicrosystems.com
Die surface
Package surface
Revision 1.80
z
0.576mm ± 0.1mm
1.282mm ± 0.15mm
21 – 36
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