MCP9803-M/MS Microchip Technology, MCP9803-M/MS Datasheet - Page 22
![High-Accuracy, 12-bit Thermal Sensor With Serial Interface And Bus Timeout 8 MSO](/photos/6/59/65932/mfg_150_c04-111_ms_8-msop_sml.jpg)
MCP9803-M/MS
Manufacturer Part Number
MCP9803-M/MS
Description
High-Accuracy, 12-bit Thermal Sensor With Serial Interface And Bus Timeout 8 MSO
Manufacturer
Microchip Technology
Datasheets
1.MCP9800A0T-MOT.pdf
(42 pages)
2.MCP9800A0T-MOT.pdf
(4 pages)
3.MCP9803T-MSN.pdf
(2 pages)
4.MCP9801-MSN.pdf
(30 pages)
Specifications of MCP9803-M/MS
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,
Full Temp Accuracy
+/- 0.5 C
Digital Output - Bus Interface
Serial (2-Wire, I2C)
Digital Output - Number Of Bits
12 bit
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP9803-M/MS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
MCP9800/1/2/3
5.3.4
The
Temperature Limit-Set register (T
9-bit data in two’s compliment format. This data
represents a maximum temperature limit. If the ambient
temperature
MCP9800/1/2/3 asserts an alert output. (Refer to
Section 5.3.4.3 “ALERT Output
This register uses the nine Most Significant bits (MSbs)
and all other bits are “don’t cares”.
The power-up default value of the T
80°C, or <0101 0000 0>b in binary.
REGISTER 5-5:
DS21909D-page 22
bit 15
bit 7
Legend:
R = Readable bit
-n = Value at POR
Upper Half:
Lower Half:
R/W-0
R/W-0
2
Sign
-1
MCP9800/1/2/3
°C
TEMPERATURE LIMIT-SET
REGISTER (T
exceeds
R/W-1
2
R-0
6
0
TEMPERATURE LIMIT-SET REGISTER (T
°C
has
this
SET
W = Writable bit
‘1’ = Bit is set
)
a
specified
SET
Configuration”).
R/W-0
2
16-bit
R-0
5
) which contains a
0
°C
SET
limit,
register is
read/write
R/W-1
2
R-0
4
the
0
°C
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
2
R-0
3
0
°C
SET
) – ADDRESS <
R/W-0
2
R-0
2
0
°C
2010 Microchip Technology Inc.
x = Bit is unknown
R/W-0
0000 0011
2
R-0
1
0
°C
>b
R/W-0
2
R-0
0
0
°C
bit 8
bit 0