1°C Multiple Temperature Sensor with Beta Compensation and 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
200
MAX
UNITS
CONDITIONS
Standby Supply Current
ISTBY
uA
RUN / STOP bit set. Monitoring
disabled.
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
°C
+40°C < TDIODE < +110°C
0°C < TA < 110°C
±0.5
0.125
190
±2
°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
Leakage Current
ILEAK
±5
uA
powered or unpowered
TA < 85°C
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
2.3
SMBus Electrical Characteristics
Table 2.3 SMBus Electrical Specifications
VDD = 3.0V to 3.6V, TA = -40°C to 125°C, all typical values are at TA = 27°C unless otherwise noted.
CHARACTERISTIC
SYMBOL
MIN
TYP
MAX
UNITS
CONDITIONS
SMBus Interface
Input High Voltage
Input Low Voltage
VIH
VIL
2.0
-0.3
VDD
0.8
±5
V
5V Tolerant
5V Tolerant
V
Input High/Low Current
I
IH / IIL
uA
Powered or unpowered
TA < 85°C
Hysteresis
420
mV
Revision 0.69 (06-29-09)
SMSC EMC1046/EMC1047
DATA1S0HEET
SMSC [ SMSC CORPORATION ]
