1°C Temperature Sensor with Hardware Thermal Shutdown
Datasheet
5.9
Digital Filter
To reduce the effect of noise and temperature spikes on the reported temperature, the External Diode
channel uses a programmable digital filter. This filter can be configured as Level 1, Level 2, or
Disabled. The typical filter performance is shown in Figure 5.4 and Figure 5.5.
Filter Step Response
90
80
70
60
50
40
30
20
10
0
Disabled
Level1
Level2
0
2
4
6
8
10
12
14
Samples
Figure 5.4 Temperature Filter Step Response
Revision 1.24 (02-05-08)
SMSC EMC1422
DATA2S0HEET