AS5130-ASSU austriamicrosystems, AS5130-ASSU Datasheet - Page 31

• Manufacturer Part Number: AS5130-ASSU
• Description: IC ENCODER ROTARY 8-BIT 16-SSOP
• Manufacturer: austriamicrosystems
• Type: Linear, Rotary Encoder - Programmabler

Specifications of AS5130-ASSU

• Sensing Range: 32mT ~ 75mT
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 24mA
• Output Type: Analog, Ratiometric
• Features: Programmable
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output (max): -

AS5130
Data Sheet - A p p l i c a t i o n I n f o r m a t i o n
Figure 26. Typical INL Error over 360º
Figure 26
error, transition noise and the system error. The total error is ~2.2º peak/peak (+/-1.1º).
The sawtooth-like quantization error
an adequate number of samples available. The solid bold line in
linearity) is reduced to from ~+/- 1.1º down to ~ +/-0.3º. The averaging however, also increases the total propagation delay, therefore it may be
considered for low speeds only or adaptive; depending on speed
www.austriamicrosystems.com/AS5130
shows a typical example of an error curve over a full turn of 360º at a given X-Y- displacement. The curve includes the quantization
-0,5
-1,5
1,5
0,5
-1
1
0
0
45
(see Figure 25)
90
INL including quantization error
can be reduced by averaging, provided that the magnet is in constant motion and there are
135
Figure 26
(see Position Error Over Speed: on page
INL
Revision 1.11
Angle steps
shows the moving average of 16 samples. The INL (intrinsic non-
180
Average (16x)
225
270
21).
315
360
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