MLX75030 Datasheet, PDF (50/72 Pages) Melexis Microelectronic Systems – Universal ActiveLight Sensor Interface

MLX75030 Universal ActiveLight Sensor Interface
Datasheet
7.4.10. GainBuf register
This register contains the gain settings of the ADC input buffer. The use of this buffer is depending on bit 'Unity_Gain' in the
register 'SetAna'.
Bit
7
6
5
4
3
2
1
0
GainBuf
-
-
-
GAIN_B GAIN_B GAIN_B GAIN_B GAIN_
UF4
UF3
UF2
UF1 BUF0
0xA
Read/Writ
e
R
R
R
R/W R/W R/W R/W R/W
Init
0
0
0
1
1
0
1
0
GainBuf<7:5>: not implemented, read as '0'
GAIN_BUF<4:0>: defines the gain setting of the ADC input buffer
GAIN_
BUF4
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
GAIN_
BUF3
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
1
1
1
GAIN_
BUF2
0
0
0
1
1
1
1
0
0
0
0
0
0
1
1
1
1
0
0
0
GAIN_
BUF1
0
1
1
0
0
1
1
0
0
1
0
1
1
0
0
1
1
0
0
1
GAIN_
BUF0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Gain
2
1
0.67
0.5
0.4
0.33
0.29
0.25
0.22
0.2
10
5
3.33
2.5
2
1.67
1.43
1.25
1.11
1
REVISION 005 – DECEMBER 2013
3901075030
PAGE 50 OF 72