MLX75030 Datasheet, PDF (46/72 Pages) Melexis Microelectronic Systems – Universal ActiveLight Sensor Interface

MLX75030 Universal ActiveLight Sensor Interface
Datasheet
BW_ADJ_
AA_B2
0
0
0
0
1
1
1
1
BW_ADJ_
AA_B1
0
0
1
1
0
0
1
1
BW_ADJ_
AA_B0
0
1
0
1
0
1
0
1
3dB Cut-off
Frequency (kHz)
18
20
22.5
25
30
35
43
55
BW_SEL_LP_B<1:0>: cut-off frequency selection of low-pass filter of channel B
BW_SEL_
LP_B1
0
BW_SEL_
LP_B0
0
Cut-off Freuency
(%f₀)
≅23.5
Cut-off Frequency
(kHz @ f₀=70kHz)
≅16.5
0
1
≅12
≅7.8
1
0
≅5.9
≅4.2
1
1
≅3
≅2.1
7.4.6. SetPF register
This register defines the frequency settings and the number of pulses for the active light measurements.
Bit
7
6
5
4
3
2
1
SetPF
NP3
NP2
NP1
NP0
EN_DC
COMP
RPF2
RPF1
0x5
Read/Writ
e
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Init
0
1
0
0
0
1
0
0
RPF0
R/W
0
NP<3:0>: number of pulses for the active light measurements, as defined in the table
below:
Bit 3 - NP3 Bit 2 - NP2 Bit 1 - NP1 Bit 0 - NP0 Number of Pulses
0
0
0
0
2
0
0
0
1
4
0
0
1
0
6
0
0
1
1
8
0
1
0
0
10
0
1
0
1
12
0
1
1
0
14
0
1
1
1
16
1
0
0
0
18
1
0
0
1
20
1
0
1
0
22
1
0
1
1
24
1
1
0
0
26
1
1
0
1
28
REVISION 005 – DECEMBER 2013
3901075030
PAGE 46 OF 72