產品品牌：

安明斯AMS

產品型號：

AMS5145

制作工藝：

集成

輸出信號：

其它

AS5145磁性旋轉編碼器 IC 是一款非接觸式的完整系統級芯片，可在一圈 360° 范圍內提供分辨率達 0.0879° 的角度測量，即每轉 4, 096 個位置。使用一個簡單的串行接口或 PMW 信號即可讀取該數字角度數據。另外，該器件采用改進的插值算法，可實現增量正交輸出模式，并能性編程為 10 位至 12 位分辨率。由于具有更佳的噪聲特性，進一步得到提升。

除了支持用戶化零位編程、芯片 ID 和幫助磁鐵正確定位的診斷功能等奧地利微電子編碼器系列的所有標準功能外，AS5145 還能提供一種與外部電路同步的特殊功能，以及正弦/余弦數字輸出模式。當該模式激活時，將輸出 16 位正弦和 16 位余弦雙通道數字數據，并在外部進行計算。

Description

The AS5145 is a contactless magnetic rotary encoder for accurate angular measurement over a full turn of 360°. It is a system-on-chip, combining integrated Hall elements, analog front end and digital signal processing in a single device. To measure the angle, only a simple 2-pole magnet, rotating over the center of the chip, is required. The magnet may be placed above or below the IC. The absolute angle measurement provides instant indication of the magnet's angular position with a resolution of 0.0879° = 4096 postitions per revoloution. This digital data is available as a serial bit stream and as a PWM signal. An internal voltage regulator allows the AS5145 to operate at either 3.3V or 5V supplies.

Key Features 

Contactless high resolution rotational position encoding over a full turn of 360° 2 digital 12-bit absolute outputs: Serial interface and Pulse Width Modulated (PWM) outputs 3 incremental outputs Quadrature A/B (10 or 12 bit) and Index output signal User programmable zero position Failure detection mode for magnet placement monitoring and loss of power supply "Red-Yellow-Green"indicators display placement of magnet in Z-axis Serial read-out of multiple interconnected AS5145 devices using Daisy Chain mode Tolerant to magnet misalignment and arigap variations Wide temperature range: -40°C to +150°C Fully automotive AEC-Q100 qualified, grade 0 Small Pb-free package: SSOP16 (5.3mm x 6.2mm)

 

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