as5215 austriamicrosystems, as5215 Datasheet

as5215

Manufacturer Part Number

as5215

Description

Programmable 360? Magnetic Angle Encoder With Buffered Sine & Cosine Output Signals

Manufacturer

austriamicrosystems

Datasheet

1.AS5215.pdf (24 pages)

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A S 5 2 1 5

P r o g r a m m a b l e 3 6 0 º M a g n e t i c A n g l e E n c o d e r w i t h B u f f e r e d S I N E &

C O S I N E O u t p u t S i g n a l s

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…+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

www.austriamicrosystems.com/AS5215

D a t a S h e e t

PROG

DCLK

DIO

Note: This Block Diagram presents only one die.

OTP Register

SSI Interface

Hall Array

Frontend

Amplifier

Digital Part

MANAGEMENT

Revision 1.5

BUFFER Stage

POWER

2 Key Features

3 Applications

The AS5215 is ideal for Electronic Power Steering systems and

general purpose for automotive or industrial applications in

microcontroller-based systems.

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

AS5215

VDD

VSS

SINP/SINN

SINN/SINP/CM_SIN

COSP/COSN

COSN/COSP/CM_COS

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