Rainbow Electronics MAX6626 - Manual (Page 10)

MAX6625/MAX6626
9-Bit/12-Bit Temperature Sensors with
I
2
C-Compatible Serial Interface in a SOT23
10 ______________________________________________________________________________________
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
MSB Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 LSB 0 0 0 0 0 0 0
Table 7. T HIGH and T LOW Registers
D6 to D0: Will read all zeros, cannot be written.
D15: MSB is the sign bit.
Default: T
HIGH = +80°C (5000H), T LOW = +75°C (4B00H).
LSB = 0.5°C.
DIGITAL OUTPUT CODE
MAX6625 MAX6626
BINARY BINARY
TEMPERATURE
( °C)
MSB LSB
HEX
MSB LSB
HEX
+125.0000 0111 1101 0000 0000 7D00 0111 1101 0000 0000 7D00
+124.9375 0111 1100 1000 0000 7C80 0111 1100 1111 0000 7CF0
+25.0000 0001 1001 0000 0000 1900 0001 1001 0000 0000 1900
+0.5000 0000 0000 1000 0000 0080 0000 0000 1000 0000 0080
0.0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
-0.5000 1111 1111 1000 0000 FF80 1111 1111 1000 0000 FF80
-25.0000 1110 0111 0000 0000 E700 1110 0111 0000 0000 E700
-55.0000 1100 1001 0000 0000 C900 1100 1001 0000 0000 C900
∗ 1000 0000 0000 0000 8000 1000 0000 0000 0000 8000
Table 8. Output Code vs. Temperature
*8000H is the default value at power-up and after coming out of shutdown.