EMC2101_09 Datasheet, PDF (25/57 Pages) SMSC Corporation – SMBus Fan Control with 1°C Accurate Temperature Monitoring

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
Level2
60
50
40
30
20
10
0
0
2
4
6
8
10
12
14
Samples
Figure 5.5 Temperature Filter Step Response
90
80
70
60
50
40
30
20
10
0
0
Filter Impulse Response
Disabled
Level1
2
4
6
8
10
Samples
Figure 5.6 Temperature Filter Impulse Response
Level2
12
14
SMSC EMC2101
25
DATASHEET
Revision 2.54 (06-16-09)