1°C Multiple Temperature Sensor with Hardware Controlled Standby & Hottest of Multiple Zones
Datasheet
3.2
Electrical Specifications
Table 3.2 Electrical Specifications
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
DC Power
Supply Voltage
Supply Current
VDD
IDD
3.0
3.3
3.6
V
395
450
uA
1 conversion / sec, dynamic
averaging disabled
IDD
700
200
960
uA
uA
4 conversions / sec, dynamic
averaging enabled
Standby Supply Current
Temperature Accuracy
Temperature Resolution
Temperature Accuracy
ISTBY
Monitoring disabled.
Internal Temperature Monitor
±0.25
±1
±2
°C
°C
°C
0°C < TA < 100°C
-40°C < TA < 125°C
0.125
External Temperature Monitor
±0.25
±1
±2
°C
+40°C < TDIODE < +110°C
0°C < TA < 110°C
±0.5
0.125
170
°C
°C
ms
-40°C < TDIODE < 127°C
Temperature Resolution
Conversion Time all
Channels
tCONV
default settings
Capacitive Filter
CFILTER
RSERIES
2.2
2.7
nF
Connected across external diode
In series with DP and DN lines
Resistance Error
Correction
100
Ω
ALERT and THERM pins
Output Low Voltage
Leakage Current
VOL
0.4
±5
V
ISINK = 8mA
ILEAK
uA
powered or unpowered
TA < 85°C
pull-up voltage < 3.6V
SMCLK, SMDATA, and STANDBY pins
Input High Voltage
Input Low Voltage
VIH
VIL
2.0
VDD
0.8
±5
V
5V Tolerant
5V Tolerant
-0.3
V
Input High/Low Current
I
IH / IIL
uA
Powered or unpowered
TA < 85°C
SMSC EMC1438
11
Revision 1.0 (04-29-10)
DATASHEET
SMSC [ SMSC CORPORATION ]
