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AS5215 Datasheet(PDF) 1 Page - ams AG |
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AS5215 Datasheet(HTML) 1 Page - ams AG |
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1 / 24 page  AS5215 Programmable 360º Magnetic Angle Encoder with Buffered SINE & COSINE Output Signals www.austriamicrosystems.com/AS5215 Revision 1.9 1 - 24 Data Sheet 1 General Description The AS5215 is a redundant, contactless rotary encoder sensor for accurate angular measurement over a full turn of 360º and over an extended ambient temperature range of -40ºC to +150ºC. Based on an integrated Hall element array, the angular position of a simple two-pole magnet is translated into analog output voltages. The angle information is provided by means of buffered sine and cosine voltages. This approach gives maximum flexibility in system design, as it can be directly integrated into existing architectures and optimized for various applications in terms of speed and accuracy. With two independent dies in one package, the device offers true redundancy. Usually the bottom die, which is exposed to slightly less magnetic field is employed for plausibility check. An SSI Interface is implemented for signal path configuration as well as a one time programmable register block (OTP), which allows the customer to adjust the signal path gain to adjust for different mechanical constraints and magnetic field. Figure 1. AS5215 Block Diagram 2 Key Features Contactless angular position encoding High precision analog output Buffered Sine and Cosine signals SSI Interface Low power mode Two programmable output modes: Differential or Single ended Wide magnetic field input range: 20 – 80 mT Wide temperature range: -40ºC to +150ºC Fully automotive qualified to AEC-Q100, grade 0 Thin punched 32-pin QFN (7x7mm) package 3 Applications The AS5215 is ideal for Electronic Power Steering systems and general purpose for automotive or industrial applications in microcontroller-based systems. VDD VSS SINP/SINN SINN/SINP/CM_SIN COSP/COSN COSN/COSP/CM_COS Hall Array & Frontend Amplifier CS DCLK DIO POWER MANAGEMENT BUFFER Stage BUFFER Stage OTP Register Digital Part SSI Interface AS5215 PROG Note: This Block Diagram presents only one die. |
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