1°C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
Datasheet
Table 2.2 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
450
900
MAX
600
1200
UNITS
CONDITIONS
Supply Current
IDD
uA
1 conversion / sec, dynamic
averaging disabled
Supply Current
IDD
uA
4 conversions / sec, dynamic
averaging enabled
Internal Temperature Monitor
Temperature Accuracy
Temperature Resolution
Temperature Accuracy
±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
190
°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
TRIP_SET Measurement
Decoded Temperature
Accuracy
TSET
0.5
°C
RSET = 1% resistor
(see Note 2.2)
ALERT and SYS_SHDN 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
Power Up Timing
300
First conversion ready
SMBus delay
tCONV_f
tSMB_d
ms
ms
Time after power up before all
channels updated with valid data
15
Delay before SMBus
communications should be sent by
host
Note 2.2 If a 1% resistor is used for RSET, then it is guaranteed to decode as shown in Table 4.1.
Revision 0.70 (04-19-13)
10
SMSC EMC1428
DATASHEET
SMSC [ SMSC CORPORATION ]
