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AS5115
 
Programmable 360?Magnetic Angle Encoder with Buffered SINE &
COSINE Output Signals
www.austriamicrosystems.com/AS5115
Revision 1.11
1 - 20
Datasheet
1 General Description
The AS5115 is a contactless rotary encoder sensor for accurate
angular measurement over a full turn of 360?and over an extended
ambient temperature range of -40篊 to +150篊.
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.
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. AS5115 Block Diagram
2 Key Features
n Contactless angular position encoding
n High precision analog output
n Buffered Sine and Cosine signals
n SSI Interface
n Low power mode
n Two programmable output modes: Differential or Single ended
n Wide magnetic field input range: 20  80 mT
n Wide temperature range: -40?/SPAN>C to +150?/SPAN>C
n Fully automotive qualified to AEC-Q100, grade 0
n SSOP-16 package
3 Applications
The AS5115 is ideal for several automotive and industrial
applications.
AS5115
VDD
VSS
SINP/SINN
SINN/SINP/CM_SIN
COSP/COSN
COSN/COSP/CM_COS
ROG
CS
DCLK
DIO
OTP Register
Hall Array
&
Frontend
Amplifier
Digital Part
SSI Interface
Power
Management
Buffer Stage
Buffer Stage
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