MCP9805-BE/ST Microchip Technology, MCP9805-BE/ST Datasheet - Page 5

• Manufacturer Part Number: MCP9805-BE/ST
• Description: IC,TEMPERATURE SENSOR,TSSOP,8PIN,PLASTIC
• Manufacturer: Microchip Technology

Specifications of MCP9805-BE/ST

• Rohs Compliant: YES
• 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: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP
• Temperature Threshold: Programmable
• Full Temp Accuracy: 3 C
• Digital Output - Bus Interface: I2C, SMBus
• Digital Output - Number Of Bits: 10 bit
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 20 C
• Supply Current: 500 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.0
Note: Unless otherwise noted: V
FIGURE 2-1:
Accuracy.
FIGURE 2-2:
Histogram, T
FIGURE 2-3:
Histogram, T
© 2005 Microchip Technology Inc.
Note:
70%
60%
50%
40%
30%
20%
10%
70%
60%
50%
40%
30%
20%
10%
-1.0
-2.0
-3.0
3.0
2.0
1.0
0.0
0%
0%
-40
TYPICAL PERFORMANCE CURVES
T
V
120 samples
T
V
120 samples
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
V
A
DD
A
DD
DD
= +95°C
= +75°C
-20
= 3.3V
Spec. Limits
= 3.3V
= 3.3V to 3.6V
A
A
= +95°C.
= +75°C.
0
Temperature Accuracy (°C)
Temperature Accuracy (°C)
Average Temperature
Temperature Accuracy
Temperature Accuracy
20
T
A
40
(°C)
DD
60
= 3.0V to 3.6V, GND = Ground, C
80
100
120
FIGURE 2-4:
Temperature.
FIGURE 2-5:
Ambient Temperature.
FIGURE 2-6:
Voltage vs. Ambient Temperature.
500
450
400
350
300
250
200
150
100
de_cap
2.00
1.50
1.00
0.50
0.00
2.5
1.5
0.5
3
2
1
0
-40
-40
-40
V
V
DD
= 0.1 µF
DD
-20
-20
= 3.3V to 3.6V
-20
= 3.3V to 3.6V
0
0
0
Supply Current vs. Ambient
Shutdown Current vs.
Power-on Reset Threshold
20
20
20
T
T
T
A
A
40
A
40
40
(°C)
(°C )
(°C)
MCP9805
60
60
60
80
80
DS21977B-page 5
80
100
100
100
120
120
120