mlx90316 Melexis Company, mlx90316 Datasheet - Page 13

• Manufacturer Part Number: mlx90316
• Description: Rotary Position Sensor Ic
• Manufacturer: Melexis Company

10.
DC Operating Parameters at V
Temperature suffix (S, E, K or L).
16
0.005Deg/LSB
17
information (output of the DSP). See Front End Application Note for more details. This is only valid if automatic gain is set (See
Section 14.4.2)
18
angular information (output of the DSP). See Front End Application Note for more details.
19
rotating field. Once associated to a practical magnetic construction and the associated mechanical and magnetic tolerances, the
output linearity error increases. However, it can be improved with the multi point end-user calibration that is available on the
MLX90316.
20
application mode (Section 14.5).
21
3901090316
Rev. 003
For instance, Thermal Offset Drift #1 equal ± 60LSB
The Intrinsic Linearity Error refers to the IC itself (offset, sensitivity mismatch, orthogonality) taking into account an ideal
Jitter is defined by ± 3 σ for 1000 successive acquisitions and the slope of the transfer curve is 100%
ADC Resolution on the raw
signals sine and cosine
Thermal Offset Drift #1
Thermal Offset Drift #2
(to be considered only for the
analog output mode)
Thermal Drift of Sensitivity
Mismatch
Intrinsic Linearity Error
Analog Output Resolution
Output stage Noise
Noise pk-pk
Ratiometry Error
PWM Output Resolution
PWM Jitter
Serial Protocol Output
Resolution
15 bits corresponds to 14 bits + sign and 14 bits corresponds to 13 bits + sign. After angular calculation, this corresponds to
For instance, Thermal Drift of Sensitivity Mismatch equal ± 0.4% yields to max. ± 0.1 Deg. angular error for the computed
The application diagram used is described in the recommended wiring. For detailed information, refer to section Filter in
MLX90316 Accuracy Specification
Parameter
(18)
(21)
(20)
15
in Low Speed Mode and 0.01Deg/LSB
(19)
(17)
Symbol
R
R
R
J
R
Le
PWM
DD
PWM
ADC
DAC
SP
= 5V (unless otherwise specified) and for T
Slow Mode
Fast Mode
Thermal Offset Drift at the DSP
input (excl. DAC and output stage)
Temperature suffix S, E and K
Temperature suffix L
Thermal Offset Drift of the DAC
and Output Stage
Temperature suffix S, E and K
Temperature suffix L
Temperature suffix S, E and K
Temperature suffix L
T
12 bits DAC
(Theoretical – Noise free)
INL
DNL
Clamped Output
RG = 9, Slow mode, Filter=5
RG = 9, Fast mode, Filter=0
12 bits
(Theoretical – Jitter free)
RG = 6, F
14 bits – 360 Deg. mapping
(Theoretical – Jitter free)
A
= 25°C
15
14
Test Conditions
yields to max. ± 0.3 Deg. angular error for the computed angular
in High Speed.
PWM
(16)
Page 13 of 41
(16)
= 250 Hz – 800Hz
Rotary Position Sensor IC
Min
- 0.3
- 0.4
- 0.3
- 0.5
0.05
-0.1
-60
-90
-1
-4
MLX90316
0.025
0.025
0.022
Typ
0.05
0.03
0.1
15
14
1
0
A
DC
as specified by the
/360 Deg.
Max
+ 0.3
+ 0.4
+ 0.3
+ 0.5
0.06
+60
+90
0.2
0.1
0.2
+4
1
2
Data Sheet
%V
%
Deg/LSB
Units
%V
LSB
LSB
%V
%V
DC
%
April 07
Deg
LSB
LSB
DD
%V
bits
bits
%
%
Deg
Deg
DC
/LSB
DD
DD
DD
/LSB
15
15
DD