EMC1412 Datasheet, PDF (39/47 Pages) SMSC Corporation – Multiple Channel 1 Temperature Sensor with Beta Compensation

Multiple Channel 1°C Temperature Sensor with Beta Compensation
Datasheet
Temperature Error vs. Series Resistance
1.0
120
0.8
100
0.6
REC Disabled
80
60
0.4
40
0.2
REC Enabled
20
0.0
0
0
50
100
150
200
Series R (Ohm)
Tem perature Error vs. Am bient Tem perature
(2N3904, T_DIODE = 27°C, VDD = 3.3V)
2.0
1.5
EXT2 - APD
EXT3 - APD
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-40 -25 -10 5 20 35 50 65 80
Am bient Tem perature (°C)
95 110 125
1200
1100
1000
900
800
700
600
500
400
300
200
1
S upply Curre nt vs. Conve rsion Ra te
2
4
8
16
32
64
Conve rsion Ra te
Dy namic
A v eraging
En a b le d
Dy namic
A v eraging
Dis abled
SMSC EMC1412
39
DATASHEET
Revision 1.41 (02-23-12)