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AS5043 Scheda tecnica(PDF) 23 Page - ams AG

Il numero della parte AS5043
Spiegazioni elettronici  PROGRAMMABLE 360째 MAGNETIC ANGLE ENCODER WITH ABSOLUTE SSI AND ANALOG OUTPUTS
PDF  26 Pages
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Produttore elettronici  AMSCO [ams AG]
Homepage  http://www.ams.com
Logo AMSCO - ams AG

AS5043 Scheda tecnica(HTML) 23 Page - ams AG

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AS5043 Programmable 360° Magnetic Angle Encoder
Revision 1.4, 04-Apr-06
www.austriamicrosystems.com
Page 23 of 26
19.5 Electrical System Specifications
(operating conditions: Tamb = -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation) unless
otherwise noted)
Parameter
Symbol
Min
Typ
Max
Unit
Note
Resolution*
RES
10
bit
0.352 deg
Integral non-linearity (optimum) *
INLopt
± 0.5
deg
Maximum error with respect to the best line fit.
Verified at optimum magnet placement, Tamb =25 °C.
Integral non-linearity (optimum) *
INLtemp
± 0.9
deg
Maximum error with respect to the best line fit.
Verified at optimum magnet placement ,
Tamb = -40 to +125°C
Integral non-linearity*
INL
± 1.4
deg
Best line fit = (Errmax – Errmin) / 2
Over displacement tolerance with 6mm diameter magnet,
Tamb = -40 to +125°C
Differential non-linearity*
DNL
±
0.176
deg
10bit, no missing codes
0.06
1 sigma, fast mode (pin MODE = 1)
Transition noise*
TN
0.03
Deg
RMS
1 sigma, slow mode (pin MODE=0 or open)
Power-on reset thresholds
On voltage; 300mV typ. hysteresis
Off voltage; 300mV typ. hysteresis
Von
Voff
1,37
1.08
2.2
1.9
2.9
2.6
V
V
DC supply voltage 3.3V (VDD3V3)
DC supply voltage 3.3V (VDD3V3)
20
fast mode (pin MODE=1)
Power-up time,
Until offset compensation finished,
OCF = 1, Angular Data valid
tPwrUp
80
ms
slow mode (pin MODE=0 or open)
96
fast mode (pin MODE=1)
System
propagation
delay
absolute output : delay of ADC and
DSP
tdelay
384
µs
slow mode (pin MODE=0 or open)
2.48
2.61
2.74
Tamb = 25°C, slow mode (pin MODE=0 or open)
Internal sampling rate for absolute
output:
fS,mode0
2.35
2.61
2.87
kHz
Tamb = -40 to +125°C, slow mode (pin MODE=0 or open)
9.90
10.42
10.94
Tamb = 25°C, fast mode (pin MODE = 1)
Internal sampling rate for absolute
output
fS,mode1
9.38
10.42
11.46
kHz
Tamb = -40 to +125°C, : fast mode (pin MODE = 1)
Read-out frequency
CLK
1
MHz
Max. clock frequency to read out serial data
*)digital interface
180°
360 °
0 °
0
512
1023
α
α10bitcode
0
1
2
0.35°
INL
Ideal curve
Actual curve
TN
512
1023
DNL+1LSB
[degrees]
Figure 24: Integral and differential Non-Linearity (example)



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