SI1142-A10-GMR Silicon Laboratories Inc, SI1142-A10-GMR Datasheet - Page 61

• Manufacturer Part Number: SI1142-A10-GMR
• Description: SENS IR PROXIMITY AMB LT 8-ODFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI1142-A10-GMR

• Mfg Application Notes: Si114x Designer's Guide AppNote Si114x Overlay Considerations AppNote Si114x irLED Guide AppNote Si114x Control Panel Guide AppNote
• Output Type: Digital - I²C
• Sensor Type: Proximity, Infrared and Ambient Light
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 336-1969; SI1142-A10-GM

ALS_HISTORY @ 0x19
Reset value = 0000 0011
ADC_OFFSET @ 0x1A
Reset value = 1000 0000
Name
Name
Type
7:0
Type
Bit
Bit
Bit
7:0
Bit
ADC_OFFSET[7:0] ADC_OFFSET is an 8-bit compressed value representing a 16-bit value added to all
ALS_HISTORY[7:0] ALS_HISTORY is a bit-field representing the number of consecutive samples
7
Name
7
Name
6
6
measurements. Since most measurements are relative measurements involving a
arithmetic subtraction and can result in a negative value. Since 0xFFFF is treated as
an overrange indicator, the ADC_OFFSET is added so that the values reported in
the I
For example:
0x60: Measurements have a 64-code offset
0x70: Measurements have a 128-code offset
0x80: Measurements have a 256-code offset
2
exceeding the threshold and hysteresis to change status.
For example:
0x03: Two consecutive samples
0x07: Three consecutive samples
0xFF: Eight consecutive samples
C register map are never confused with the 0xFFFF overrange indicator.
5
5
ADC_OFFSET[7:0]
ALS_HISTORY[7:0]
Rev. 1.1
4
4
RW
RW
Function
3
3
Function
2
2
Si1141/42/43
1
1
0
0
61