SMBus Fan Control with 1°C Accurate Temperature Monitoring
Datasheet
5.5.2
Temperature Filter
The EMC2101 contains variable filtering options to suppress thermally or electrically noisy signals on
the External Diode lines. This filter can be configured as Level 1, Level 2, or Disabled (see
Section 6.23). The typical filter performance is shown in Figure 5.5 and Figure 5.6.
Filter Step Response
90
Disabled
80
Level1
70
60
Level2
50
40
30
20
10
0
0
2
4
6
8
10
12
14
Samples
Figure 5.5 Temperature Filter Step Response
Filter Impulse Response
90
80
70
60
50
40
30
20
10
0
Disabled
Level1
Level2
0
2
4
6
8
10
12
14
Samples
Figure 5.6 Temperature Filter Impulse Response
Revision 2.53 (03-13-07)
SMSC EMC2101
DATA2S4HEET
SMSC [ SMSC CORPORATION ]
