MCP9801-M/MSG Microchip Technology, MCP9801-M/MSG Datasheet - Page 21

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

Specifications of MCP9801-M/MSG

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• 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: Lead Free Package Analog
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Supply Current: 400 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 5-5:
 2004 Microchip Technology Inc.
S = START Condition
P = STOP Condition
Register Pointer Setting for Continuous Reception
Receive 2-byte Data
Receive Another 2-byte Data
Note:
SCLK
SDA
S
S
1
1
1
1
2
0
2
0
User can continue to receive 2-byte data indefinitely from a previously set register pointer.
Receive 2-byte data from previously set pointer.
Address Byte
Address Byte
3
0
3
0
S
4
4
1
1
1
1
5
A
2
5
A
2
2
0
Address Byte
6
A
1
A
6
1
3
0
A
7
0
A
7
0
4
1
MCP980X
MCP980X
8
R
8
R
A
5
2
A
C
K
A
C
K
6
A
1
15
15
D
1
1
D
A
7
0
MCP980X
14
W
14
2
D
2
8
D
13
13
3
D
3
D
A
C
K
MSB Data
MSB Data
12
12
4
D
4
D
1
0
11
11
5
D
5
D
2
0
10
10
6
D
6
D
3
0
Pointer
7
D
9
7
D
4
9
0
8
D
8
8
D
5
0
Master
8
Master
A
C
K
A
C
K
6
0
1
D
1
7
D
7
P
7
1
MCP980X
MCP9800/1/2/3
D
2
6
D
2
6
8
P
0
D
5
D
3
3
5
A
C
K
LSB Data
LSB Data
D
4
4
D
4
4
D
3
D
5
5
3
D
6
2
D
6
2
D
1
D
7
7
1
DS21909B-page 21
8
D
0
8
D
0
Master
Master
N
A
K
N
A
K
P
P