MCP9801-M/MS Microchip Technology, MCP9801-M/MS Datasheet - Page 20

IC SENSOR THERMAL 2.7V 8MSOP

MCP9801-M/MS

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP9801-M/MS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
MCP9801-M/MS
0
Company:
Part Number:
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Quantity:
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MCP9800/1/2/3
5.3.3
The
Temperature Hysteresis register that contains a 9-bit
data in two’s compliment format. This register is used
to set a hysteresis for the T
represents a minimum temperature limit. If the ambient
temperature drifts below the specified limit, the
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 T
or <0100 1011 0>b in binary.
REGISTER 5-4:
DS21909D-page 20
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 HYSTERESIS
REGISTER (T
R/W-1
2
R-0
6
0
TEMPERATURE HYSTERESIS REGISTER (T
°C
has
SET
HYST
limit. Therefore, the data
W = Writable bit
‘1’ = Bit is set
a
HYST
)
Configuration”).
R/W-0
2
16-bit
R-0
5
0
°C
register is 75°C,
read/write
R/W-0
2
R-0
4
0
°C
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-1
2
R-0
3
0
°C
HYST
R/W-0
2
R-0
2
) – ADDRESS <
0
°C
 2010 Microchip Technology Inc.
x = Bit is unknown
R/W-1
2
R-0
1
0
°C
0000 0010
R/W-1
2
R-0
0
0
>b
°C
bit 8
bit 0

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