MCP9801-M/MS Microchip Technology, MCP9801-M/MS Datasheet - Page 15

• Manufacturer Part Number: MCP9801-M/MS
• Description: IC SENSOR THERMAL 2.7V 8MSOP
• Manufacturer: Microchip Technology

Specifications of MCP9801-M/MS

• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Output Type: I²C™/SMBus™
• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Temperature Threshold: Programmable
• Full Temp Accuracy: 3 C
• Digital Output - Bus Interface: I2C, SMBus
• Digital Output - Number Of Bits: 9 bit to 12 bit
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Description/function: High Accuracy 12-bit Serial Input/Output, Thermal Monitors
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Supply Current: 400 uA
• Ic Output Type: Voltage
• Sensing Accuracy Range: ± 0.5°C
• Temperature Sensing Range: -55°C To +125°C
• Supply Voltage Range: 2.7V To 5.5V
• Resolution (bits): 12bit
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

TABLE 5-1:
 2010 Microchip Technology Inc.
Ambient Temperature Register (T
Sensor Configuration Register (CONFIG)
Temperature Hysteresis Register (T
Temperature Limit-Set Register (T
Register
Pointer
P1 P0
0 0
0 1
1 0
1 1
MSB/
MSB
MSB
MSB
LSB
LSB
LSB
LSB
LSB
BIT ASSIGNMENT SUMMARY FOR ALL REGISTERS
One-Shot
2
2
2
Sign
Sign
Sign
-1
-1
-1
7
°C
°C
°C
A
SET
)
HYST
2
2
2
2
)
-2
6
6
6
6
0
0
°C
°C
°C
°C
)
Resolution
2
2
2
2
-3
5
5
5
5
0
0
°C
°C
°C
°C
Bit Assignment
2
2
2
2
-4
4
4
4
4
0
0
°C
°C
°C
°C
Fault Queue
2
2
2
3
3
3
3
0
0
0
°C
°C
°C
MCP9800/1/2/3
Polarity
ALERT
2
2
2
2
2
2
2
0
0
0
°C
°C
°C
COMP/INT
2
2
2
1
1
1
1
0
0
0
DS21909D-page 15
°C
°C
°C
Shutdown
2
2
2
0
0
0
0
0
0
0
°C
°C
°C