MAX6635MSA+ Maxim Integrated Products, MAX6635MSA+ Datasheet - Page 14

• Manufacturer Part Number: MAX6635MSA+
• Description: IC TEMP SENSOR SMBUS 8-SOIC
• Manufacturer: Maxim Integrated Products

Specifications of MAX6635MSA+

• Function: Temp Monitoring System (Sensor)
• Topology: ADC, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 150°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -55°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Full Temp Accuracy: +/- 2.5 C
• Digital Output - Bus Interface: Serial (3-Wire, I2C)
• Digital Output - Number Of Bits: 12 bit + Sign
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

D6 to D0: Reads all zeros, cannot be written.
1LSB = 1°C.
Power-On Default: T
12-Bit Plus Sign Temperature Sensors with
SMBus/I
Table 5. Fault Queue Depth
Table 6. Output Code vs. Temperature
Table 7. T
14
(Sign)
MSB
D15
TEMP. (°C)
______________________________________________________________________________________
+150.0000
+125.0000
+25.0000
-25.0000
-55.0000
+0.0625
-0.0625
0.0000
Bit 7
D14
D4
HIGH
0
1
Bit 6
D13
, T
2
HIGH
0100 1011 0000 0XXX
0011 1110 1000 0XXX
0000 1100 1000 0XXX
1111 0011 0111 0XXX
1110 0100 0111 0XXX
0000 0000 0000 1XXX
0000 0000 0000 0XXX
1111 1111 1111 1XXX
C-Compatible Serial Interface
LOW
MSB
Bit 5
D12
= +64°C (2000h), T
DIGITAL OUTPUT CODE
BINARY
, T
Bit 4
MAX
D11
NO. OF FAULTS
1 (DEFAULT)
LSB
, and T
Bit 3
D10
4
LOW
Bit 2
HYST
4B00
0C80
3E80
0008
0000
FFF8
F370
E470
D9
HEX
= +10°C (0500h), T
Bit 1
Registers
D8
LSB
D7
D6
0
MAX
= +80°C (2008h), T
D5
0
D4
0
D3
0
HYST
D2
0
= 2°C (0100h).
D1
0
D0
0