MAX6626 MAXIM [Maxim Integrated Products], MAX6626 Datasheet - Page 9

• Manufacturer Part Number: MAX6626
• Description: 9-Bit/12-Bit Temperature Sensors with I2C-Compatible Serial Interface in a SOT23
• Manufacturer: MAXIM [Maxim Integrated Products]

D7 to D2: Will read all zeros, cannot be written.
Table 3. Register Select
Table 4. Temperature Register
D6 to D0, MAX6625: Will read all zeros, cannot be written.
D2 to D0, MAX6626: Will read all zeros, cannot be written.
D15: MSB is the sign bit.
Table 5. Configuration Register
All defaults = 0.
D0: 0 = Normal operation, 1 = Shutdown.
D1: 0 = Comparator mode, 1 = Interrupt mode.
D2: 0 = Active low, 1 = Active high.
D7 to D5: Reserved locations, always write zeros.
Table 2. Pointer Register
D7
D7
0
0
MAX6625
MAX6625
D1
0
0
1
1
PART
D6
D6
0
0
D0
D5
D5
0
1
0
1
0
0
I
2
(Sign)
(Sign)
MSB
MSB
D15
D4
D4
C-Compatible Serial Interface in a SOT23
0
Queue
Depth
Temperature (Default)
Configuration
T
T
Fault
_______________________________________________________________________________________
LOW
HIGH
D3
D3
0
Bit 7
D14
9-Bit/12-Bit Temperature Sensors with
Bit
11
Polarity
D2
OT
D2
0
Bit 6
D13
REGISTER
Bit
10
Comparator
or Interrupt
Mode
D1
D1
Bit 5
Bit 9
D12
Register select
(see Table 3)
Bit 4
Bit 8
D11
Shutdown
D0
D0
Bit 3
Bit 7
D10
1LSB = 0.5°C for the MAX6625.
1LSB = 0.0.0625°C for the MAX6626.
Temperature is stored in two’s-complement format.
Bit 2
Bit 6
D9
Table 6. Fault Queue Depth
Bit 1
Bit 5
D4
D8
0
0
1
1
Bit 4
LSB
D7
D3
0
1
0
1
Bit 3
D6
0
Bit 2
D5
0
NUMBER OF FAULTS
Bit 1
D4
0
1 (Default)
LSB
2
4
6
D3
0
D2–D0
0
0
9