Data Sheet
*XX denotes a 2-digit hexadecimal number (00 to FF) for part revision identification. Contact Maxim Integrated for the revision ID
number assigned for your product.
Register Maps and Descriptions (continued)
REGISTER B7 B6 B5 B4 B3 B2 B1 B0
REG
ADDR
POR
STATE
R/W
RESERVED
0x13–
0x17
0xFF R/W
RESERVED
0x18-
0x1E
0x00 R
DIE TEMPERATURE
Die Temp
Integer
TINT[7:0] 0x1F 0x00 R
Die Temp
Fraction
TFRAC[3:0] 0x20 0x00 R
Die
Temperature
Cong
TEMP
_EN
0x21 0x00 R
RESERVED
0x22–
0x2F
0x00 R/W
PROXIMITY FUNCTION
Proximity
Interrupt
Threshold
PROX_INT_THRESH[7:0] 0x30 0x00 R/W
PART ID
Revision ID REV_ID[7:0] 0xFE 0xXX* R
Part ID PART_ID[7] 0xFF 0x15 R
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12
MAX30105 High-Sensitivity Optical Sensor
for Smoke Detection Applications