MLX90360KGO-ACD Datasheet, PDF (15/35 Pages) Melexis Microelectronic Systems – TriaxisÒ Position Sensor IC

MLX90360
Triaxis^® Position Sensor IC
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14. Description of End-User Programmable Items
14.1. Output Mode
The MLX90360 output type is defined by the Output Mode parameter.
Parameter
0" #
3
'G3
3
Value
Description
0 " # &") - -&") 8 . /) ; 4
0 " # &") - -&") 8 . /"5 ; 4
0 " # &") - -&") 8 . /"5 ; 4
0 " # &") - -&") 8 . /"5 ; 4
6, ) 3
7)#9 ) '3
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14.1.1. Analog Output Mode
The Analog Output Mode is a rail-to-rail and ratiometric output with a push-pull output stage configuration
allows the use of a pull-up or pull-down resistor.
With respect to the application diagram described in section 16, Melexis recommendation is Analog Out
Mode 4. Mode 1 is also compliant with this diagram.
14.1.2. PWM Output Mode
If PWM output mode is selected, the output signal is a digital signal with Pulse Width Modulation (PWM).
The PWM polarity is selected by the PWMPOL1 parameter:
• PWMPOL = 0 for a low level at 100%
• PWMPOL = 1 for a high level at 100%
The PWM frequency is selected by the PWMT parameter. The following table provides typical code for
different target PWM frequency and for both low and high speed modes.
PWM Frequency Code (PWMT)
Oscillator Mode
6,
.+ 3 ; 1 37E
Pulse-Width Modulation Frequency (Hz)
100
200
500
1000
7)#9
.+ 3 ; 37E
The PWM Latch freezes the output value at the beginning of the PWM period. If not enabled the PWM
output might be updated before the PMW period is finished, resulting in a inconsistent duty cycle.
Notes:
• A more accurate trimming can be performed to take into account initial tolerance of the main
clock.
• The PWM frequency is subjected to the same tolerances as the main clock (see ∆^TCk).
MLX90360
Rev. 009
Page 15 of 35
Datasheet
Dec/13