AS5040 DB V2 austriamicrosystems, AS5040 DB V2 Datasheet - Page 6
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AS5040 DB V2
Manufacturer Part Number
AS5040 DB V2
Description
BOARD DEMO AS5040
Manufacturer
austriamicrosystems
Specifications of AS5040 DB V2
Sensor Type
Magnetic, Rotary Position
Sensing Range
360°
Interface
USB
Voltage - Supply
5V USB or 9V
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
AS5040
Lead Free Status / RoHS Status
Lead free by exemption / RoHS compliant by exemption
Sensitivity
-
AS5040
Data Sheet
Electrical System Specifications
(operating conditions: T
noted)
www.austriamicrosystems.com
Magnetic offset
Field non-linearity
Input frequency
(rotational speed of
magnet)
Displacement radius
Chip placement
tolerance
Recommended magnet
material and
temperature drift
Resolution
7 bit
8 bit
9 bit
10 bit
Integral non-linearity
(optimum)
Integral non-linearity
(optimum)
Integral non-linearity
Differential non-linearity
Transition noise
Hysteresis
Power-on reset thresholds
On voltage; 300mV typ.
hysteresis
Off voltage; 300mV typ.
hysteresis
Power-up time
System propagation delay
absolute output
Parameter
Parameter
amb
= -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation) unless otherwise
Symbol
f
f
mag_abs
mag_inc
Disp
B
off
Symbol
INL
INL
t
RES
DNL
Hyst
LSB
t
PwrUp
INL
TN
V
V
delay
on
off
temp
opt
Min
Min
1.37
1.08
-0.12
-0.035
Typ
2.813
1.406
0.703
0.352
0.704
Typ
2.2
1.9
Revision 2.10
0.485
±0.23
Max
± 10
0.25
500
10
5
5
± 0.176
± 1.4
Max
± 0.5
± 0.9
0.12
2.9
2.6
10
50
48
%/K
Unit
mm
mm
mT
Hz
Hz
%
RMS
Unit
Constant magnetic stray field
Including offset gradient
Absolute mode: 600 rpm @ readout of 1024
positions (see Table 6)
Incremental mode: no missing pulses at
rotational speeds of up to 30,000 rpm (see
Table 6)
Max. X-Y offset between defined IC package
center and magnet axis (see Figure 21)
Max. X-Y offset between chip center and
magnet axis.
Placement tolerance of chip within IC
package (see Figure 23)
NdFeB (Neodymium Iron Boron)
SmCo (Samarium Cobalt)
Deg
deg
deg
deg
deg
deg
deg
ms
bit
µs
V
Until offset compensation finished
0.352 deg
Adjustable resolution only available
for incremental output modes;
Least significant bit, minimum step
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
+125°C
10bit, no missing codes
RMS equivalent to 1 sigma
Incremental modes only
DC supply voltage 3.3V (VDD3V3)
DC supply voltage 3.3V (VDD3V3)
Includes delay of ADC and DSP
amb
= -40 to +125°C
Note
amb
Note
=25 °C.
max
– Err
amb
min
) / 2
= -40 to
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