1°C Temperature Sensor with Hardware Thermal Shutdown
Datasheet
Table 3.2 Electrical Specifications (continued)
VDD = 3.0V to 3.6V, TA = -40°C to 125°C, all typical values at TA = 27°C unless otherwise noted.
CHARACTERISTIC
SYMBOL
MIN
TYP
MAX
UNITS
CONDITIONS
Internal Temperature Monitor
Temperature Accuracy
Temperature Resolution
Temperature Accuracy
±0.25
0.125
±1
±2
°C
°C
°C
0°C < TA < 100°C
-40°C < TA < 125°C
External Temperature Monitor
±0.25
±1
±2
°C
+20°C < TDIODE < +110°C
0°C < TA < 100°C
±0.5
0.125
190
°C
°C
ms
-40°C < TDIODE < 127°C
Temperature Resolution
Conversion Time all
Channels
tCONV
EMC1422, default settings
Capacitive Filter
CFILTER
2.2
2.5
nF
Connected across external diode
ALERT and SYS_SHDN pins
Output Low Voltage
Power up time
VOL
0.4
V
ISINK = 8mA
15
ms
Temp selection read
Note 3.1
Note 3.1 During the power up time, SMBus communication is permitted, however the SYS_SHDN
and ALERT pins must not be pulled low.
Revision 1.24 (02-05-08)
SMSC EMC1422
DATA1S0HEET
SMSC [ SMSC CORPORATION ]
