MCP9804T-E/MC Microchip Technology, MCP9804T-E/MC Datasheet - Page 32

• Manufacturer Part Number: MCP9804T-E/MC
• Description: IC TEMP SENSOR I2C 2.7V 8DFN
• Manufacturer: Microchip Technology

Specifications of MCP9804T-E/MC

• Package / Case: 8-DFN
• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: No
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Temperature Threshold: + 150 C
• Full Temp Accuracy: +/- 0.25 %
• Digital Output - Bus Interface: 2-Wire, I2C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Supply Current: 200 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: MCP9804T-E/MCTR

MCP9804
FIGURE 5-11:
DS22203B-page 32
TABLE 5-8:
T
T
Note
LOWER
UPPER
T
1
2
3
4
5
6
7
CRIT
S/w Int. Clear
S/w Int. Clear
Critical Only
Critical Only
When T
mode) is ignored until T
CONFIG) as shown in the diagram at Note 6, then Alert will remain asserted at Note 7 until
Interrupt is cleared by the controller.
Comparator
Comparator
Interrupt
Interrupt
Alert Output Boundary
T
T
T
T
A
A
A
A
A
Alert Output Conditions.
< T
Note:
T
≤ T
T
≥ T
< T
Conditions
A
A
T
LOWER
A
UPPER
CRIT
≥ T
> T
CRIT
≥ T
1
LOWER
UPPER
the Alert output is forced to Comparator Mode and bits 0 of CONFIG (Alert output
CRIT
- T
- T
- T
HYST
HYST
HYST
A
T
< T
LOWER
CRIT
-T
- T
Comparator
HYST
High/Low
Low/High
Low/High
High/Low
Low/High
HYST
Low/High
Alert Output (Active Low/High)
. In the Interrupt Mode, if Interrupt is not cleared (bits 5 of
2
T
UPPER
Low/High
Low/High
Low/High
Low/High
Low/High
High/Low
Interrupt
1
- T
3
HYST
High/Low
High/Low
High/Low
High/Low
Low/High
High/Low
Critical
4
3
5
© 2009 Microchip Technology Inc.
6
15
0
0
0
0
1
0
7
T
CRIT
4
T
A
T
14
T
UPPER
Bits
0
0
1
0
1
1
- T
LOWER
2
HYST
- T
13
- T
0
1
0
0
0
0
HYST
HYST