MAX6625RMTT+T Maxim Integrated Products, MAX6625RMTT+T Datasheet - Page 9

• Manufacturer Part Number: MAX6625RMTT+T
• Description: IC TEMP SENSOR I2C 6-TDFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX6625RMTT+T

• Function: Temp Monitoring System (Sensor)
• Topology: ADC, Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 6-TDFN Exposed Pad
• Full Temp Accuracy: +/- 1 C
• Digital Output - Bus Interface: Serial (I2C)
• Digital Output - Number Of Bits: 9 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX6625RMTT+T; MAX6625RMTT+TTR

D7 to D2: Read all zeros, cannot be written.
Table 3. Register Select
Table 4. Temperature Register
D6 to D0, MAX6625: Read all zeros, cannot be written.
D2 to D0, MAX6626: 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
D2
OT
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
1 LSB = 0.5°C for the MAX6625.
1 LSB = 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
Bit 1
NO. OF FAULTS
D4
0
1 (default)
LSB
2
4
6
D3
0
D2–D0
0
0
9