Rainbow-electronics MAX6626 Manual de usuario descargar pdf (Pagina 10)

MAX6625/MAX6626

9-Bit/12-Bit Temperature Sensors with

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.

1 2 ... 5 6 7 8 9 10 11 12 13

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Rainbow-electronics MAX6626 Manual de usuario Pagina 10