MCP9801-M/MS Microchip Technology, MCP9801-M/MS Datasheet - Page 17

• 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

FIGURE 5-3:
Section 5.3.1 “Ambient Temperature Register (T
 2010 Microchip Technology Inc.
SDA
SCL
SDA
SCL
S
1
1
S
2
0
1
1
Address Byte
Timing Diagram for Reading +25.25°C Temperature from the T
3
0
2
0
4
Address Byte
1
3
0
5
A
2
4
1
A
6
1
A
5
2
A
0
7
6
A
1
PIC18FXXX
W
8
A
7
0
PIC18FXXX
A
C
K
8
R
1
0
A
C
K
2
0
1
0
3
0
T
0
2
A
4
Pointer
0
3
0
A
MSB Data
)”).
5
0
4
1
6
0
1
5
7
0
6
0
PIC18FXXX
8
0
7
0
A
C
K
8
1
Master
A
C
K
MCP9800/1/2/3
1
0
Note:
2
1
3
0
LSB Data
4
0
It is not necessary to
select
Pointer if it was set
from the previous read/
write.
(see Section 4.1.1)
A
5
0
Register (See
6
0
7
the
0
DS21909D-page 17
8
0
Master
Register
N
A
K
P