NVT210
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4
Table 5. ELECTRICAL CHARACTERISTICS (T
A
= 40癈 to +125癈, V
DD
= 2.8 V to 3.6 V, unless otherwise noted)
Parameter
Conditions
Min
Typ
Max
Unit
Power Supply
Supply Voltage, V
DD
2.8
3.30
3.6
V
Average Operating Supply Current, I
DD
0.0625 Conversions/Sec Rate (Note 1, 2)
Standby Mode
240
5.0
350
30
mA
Undervoltage Lockout Threshold
V
DD
input, disables ADC, rising edge
2.55
V
Power-on Reset Threshold
1.0
2.56
V
Temperature-to-Digital Converter
Local Sensor Accuracy
3.0 V to 3.6 V
0癈 ?T
A
?+70癈
0癈 ?T
A
?+85癈
?.0
?.5
癈
Local Sensor Accuracy
2.8 V to 3.6 V
20癈 ?T
A
?+110癈
?.5
癈
Resolution
1.0
癈
Remote Diode Sensor Accuracy
3.0 V to 3.6 V
0癈 ?T
A
?+70癈, 55癈 ?T
D
(Note 3) ?+150癈
0癈 ?T
A
?+85癈, 55癈 ?T
D
(Note 3) ?+150癈
40癈 ?T
A
?+100癈, 55癈 ?T
D
(Note 3) ?+150癈
?.0
?.5
?.5
癈
Remote Diode Sensor Accuracy
2.8 V to 3.6 V
0癈 ?T
A
?+70癈, 20癈 ?T
D
?+110癈
20癈 ?T
A
?+110癈, T
D
= +40癈
?.5
?.25
癈
Resolution
0.25
癈
Remote Sensor Source Current
High Level (Note 3)
Middle Level (Note 3)
Low Level (Note 3)
220
82
13.5
mA
Conversion Time
From Stop Bit to Conversion Complete, One-shot
Mode with Averaging Switched On
40
52
ms
One-shot Mode with Averaging Off
(that is, Conversion Rate = 16-, 32-, or
64-conversions per Second)
6.0
8.0
ms
Maximum Series Resistance Cancelled
Resistance Split Evenly on both the D+ and D Inputs
1.5
kW
Open-drain Digital Outputs (THERM
, ALERT
/THERM2
)
Output Low Voltage, V
OL
I
OUT
= 6.0 mA
0.4
V
High Level Output Leakage Current, I
OH
V
OUT
= V
DD
0.1
1.0
mA
SMBus/I
2
C Interface (Note 4 and 5)
Logic Input High Voltage, V
IH
SCLK, SDATA
1.4
V
Logic Input Low Voltage, V
IL
SCLK, SDATA
0.8
V
Hysteresis
500
mV
SDA Output Low Voltage, V
OL
0.4
mA
Logic Input Current, I
IH
, I
IL
1.0
+1.0
mA
SMBus/I
2
C Input Capacitance,
SCLK, SDATA
5.0
pF
SMBus/I
2
C Clock Frequency
400
kHz
SMBus/I
2
C Timeout (Note 6)
User Programmable
25
64
ms
SCLK Falling Edge to SDATA Valid Time
Master Clocking in Data
1.0
ms
1. See Table 9 for information on other conversion rates.
2. THERM
and ALERT
pulled to V
DD
.
3. Guaranteed by characterization, but not production tested.
4. Guaranteed by design, but not production tested.
5. See SMBus/I
2
C Timing Specifications section for more information.
6. Disabled by default. Detailed procedures to enable it are in the Serial Bus Interface section of the datasheet.
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