Datasheet

© 2009 Microchip Technology Inc. DS22153C-page 7
MCP9843/98243
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, V
DD
= 2.7V to 5.5V, GND = Ground, SDA/SCL pulled-up to V
DD
, and
T
A
= -40°C to +125°C.
FIGURE 2-1: Average Temperature
Accuracy.
FIGURE 2-2: Temperature Accuracy
Histogram, T
A
= +95°C.
FIGURE 2-3: Temperature Accuracy
Histogram, T
A
= +75°C.
FIGURE 2-4: Supply Current vs.
Temperature.
FIGURE 2-5: Serial Bus Time-Out vs.
Temperature.
FIGURE 2-6: Power-on Reset Threshold
Voltage vs. Temperature.
Note: 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.
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
-40 -20 0 20 40 60 80 100 120
T
A
(°C)
Temperature Accuracy (°C)
V
DD
= 3.3V
Spec. Limits
0%
10%
20%
30%
40%
50%
60%
70%
-1.00 -0.75 -0.50 -0.25
0.00 0.25 0.50 0.75 1.00
Temperature Accuracy (°C)
Occurrences
T
A
= +95°C
V
DD
= 3.3V
221 units
0%
10%
20%
30%
40%
50%
60%
70%
-1.00 -0.75 -0.50 -0.25
0.00 0.25 0.50 0.75 1.00
Temperature Accuracy (°C)
Occurrences
T
A
= +75°C
V
DD
= 3.3V
221 units
1
10
100
1000
10000
-40 -20 0 20 40 60 80 100 120
T
A
(°C)
I
DD
(µA)
EEPROM Write (Sensor in Shutdown Mode)
Sensor (EEPROM Inactive)
EEPROM Read (Sensor in Shutdown Mode)
25
30
35
-40-20 0 20406080100120
T
A
(°C)
t
OUT
(ms)
V
DD
= 3.3V to 3.6V
0
0.5
1
1.5
2
2.5
3
-40-20 0 20406080100120
T
A
(°C)
V
POR
(V)
V
POR_TS
V
POR_EE