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AS5040 8-bit Programmable Magnetic Rotary Encoder

AS5163

14 bit Programmable Magnetic Angle Position Encoder

1 General Description

The AS5163 is a contactless magnetic angle position sensor

for accurate angular measurement over a full turn of 360°. A

sub range can be programmed to achieve the best resolution

for the application. It is a system-on-chip, combining

integrated Hall elements, analog front end, digital signal

processing and best in class automotive protection features

in a single device.

To measure the angle, only a simple two-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 0.022° =

16384 positions per revolution. According to this resolution

the adjustment of the application specific mechanical

positions are possible. The angular output data is available

2 The AS5163 Adapter board

2.1

Board description

The AS5163 adapter board is a simple circuit allowing test and evaluation the rotary encoder quickly without building a test fixture or

PCB. The PCB requires only a 3-wire connection: 5V power supply, GND and the output connection (KDOWN is optional). Only pin

1, 3, 5, and 7 of JP1 are connected. Capacitor C1 and C2 (both 2.2uF) is buffering the LDO outputs VDD3 and VDD5; C3 (1uF) is

placed between VDD and GND.

4 x 2.6mm mounting

holes

AS5163 encoder

Revision 1.0, June 2009

over a 14 bit digital protocol, a 12 bit PWM signal or 12 bit

ratiometric analog output.

The AS5163 operates at a supply voltage of 5 V and the

supply and output pins are protected against overvoltage up

to +27 V. In addition the supply pins are protected against

reverse polarity up to – 18 V.

Figure 1: AS5163 Adapterboard

www.austriamicrosystems.com

AS5163-AB-1.1 Adapterboard

OPERATION MANUAL

JP1 connector

(GND, power supply,

output/interface)

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