as5043 austriamicrosystems, as5043 Datasheet - Page 23

• Manufacturer Part Number: as5043
• Description: 10-bit Programmable 360? Magnetic Angle Encoder With Absolute Digital And Analog Outputs
• Manufacturer: austriamicrosystems

AS5043 Programmable 360° Magnetic Angle Encoder
19.5 Electrical System Specifications
(operating conditions: T
unless otherwise noted)
Revision 1.6, 3-Oct-06
*)digital interface
Parameter
Resolution
Integral non-linearity (optimum)
Integral non-linearity (optimum)
Integral non-linearity
Differential non-linearity
Transition noise
Power-on reset thresholds
On voltage; 300mV typ. hysteresis
Off voltage; 300mV typ. hysteresis
Power-up time,
Until offset compensation finished,
OCF = 1, Angular Data valid
System
absolute output : delay of ADC and
DSP
Internal sampling rate for absolute
output:
Internal sampling rate for absolute
output
Read-out frequency
*
propagation
*
*
1023
*
512
0
amb
0 °
delay
*
*
α
= -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation)
10bit code
Symbol
RES
INL
INL
INL
DNL
TN
V
V
t
t
f
f
CLK
PwrUp
delay
S,mode0
S,mode1
on
off
2
1
0
Figure 24: Integral and differential Non-Linearity (exaggerated curve)
opt
temp
0.35°
Min
1,37
1.08
2.48
2.35
9.90
9.38
>0
TN
INL
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DNL+1LSB
Typ
2.2
1.9
2.61
2.61
10.42
10.42
Max
10
± 0.5
± 0.9
± 1.4
± 0.176
0.06
0.03
2.9
2.6
20
80
96
384
2.74
2.87
10.94
11.46
1
180°
Actual curve
Ideal curve
512
Unit
bit
deg
deg
deg
deg
Deg
RMS
V
V
ms
µs
kHz
kHz
MHz
Note
0.352 deg
Maximum error with respect to the best line fit.
Verified at optimum magnet placement, T
Maximum error with respect to the best line fit.
Verified at optimum magnet placement ,
T
Best line fit = (Err
Over displacement tolerance with 6mm diameter magnet,
T
10bit, no missing codes
1 sigma, fast mode (pin MODE = 1)
1 sigma, slow mode (pin MODE=0 or open)
DC supply voltage 3.3V (VDD3V3)
DC supply voltage 3.3V (VDD3V3)
fast mode (pin MODE=1)
slow mode (pin MODE=0 or open)
fast mode (pin MODE=1)
slow mode (pin MODE=0 or open)
T
T
T
T
Max. clock frequency to read out serial data
amb
amb
amb
amb
amb
amb
= -40 to +125°C
= -40 to +125°C
= 25°C, slow mode (pin MODE=0 or open)
= -40 to +125°C, slow mode (pin MODE=0 or open)
= 25°C, fast mode (pin MODE = 1)
= -40 to +125°C, : fast mode (pin MODE = 1)
max
360 °
– Err
1023
min
) / 2
α
[degrees]
amb
=25 °C.
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