Datasheet

© 2011 Microchip Technology Inc. DS25095A-page 9
MCP9808
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 2-13: SDA and Alert Output V
OL
vs. Temperature.
FIGURE 2-14: SDA I
OL
vs. Temperature.
FIGURE 2-15: Package Thermal
Response.
FIGURE 2-16: SMBus Time-out vs.
Temperature.
FIGURE 2-17: Shutdown Current vs
Temperature.
FIGURE 2-18: Power Supply Rejection vs.
Frequency.
0
0.1
0.2
0.3
0.4
-40 -20 0 20 40 60 80 100 120
Temperature (°C)
SDA & Alert Output V
OL
(V)
Alert V
OL
SDA V
OL
I
OL
= 3 mA
6
12
18
24
30
36
42
48
-40 -20 0 20 40 60 80 100 120
Temperature (°C)
SDA I
OL
(mA)
V
OL
= 0.6V
0%
20%
40%
60%
80%
100%
120%
-2 0 2 4 6 8 10 12 14 16
Time (s)
Thermal Response (%)
Room to +125°C (Oil bath)
MSOP-8
DFN-8
20
25
30
35
-40 -20 0 20 40 60 80 100 120
Temperature (°C)
SMBus/I
2
C Bus t
OUT
(ms)
0.00
0.50
1.00
1.50
2.00
-40 -20 0 20 40 60 80 100 120
Temperature (°C )
I
SHDN
(µA)
-1.0
-0.5
0.0
0.5
1.0
100 1,000 10,000 100,000 1,000,000
Frequency (Hz)
Normalized Temp. Error (°C)
∆°C/∆V
DD
, V
DD
= 3.3V + 150 mV
PP (AC)
T
A
= 25°C
1k 10k 100k 1M100k 1M10k 100k 1M1k 10k 100k 1M
100 1k 10k 100k 1M
T
A
= +25°C
No decoupling capacitor