Datasheet

DS1631/DS1631A/DS1731
4 of 15
DC ELECTRICAL CHARACTERISTICS
(V
DD
= 2.7V to 5.5V; T
A
= -55°C to +125°C.)
PARAMETER SYMBOL CONDITION MIN MAX UNITS NOTES
Supply Voltage V
DD
2.7 5.5 V 1
0°C to +70°C,
3.0V ≤ V
DD
≤ 5.5V
±0.5
0°C to +70°C,
2.7V ≤ V
DD
< 3.0V
±1
DS1631, DS1631A
Thermometer Error
T
ERR
-55°C to +125°C ±2
°C 2
-10°C to +85°C,
3.0V ≤ V
DD
≤ 5.5V
±1
-10°C to +85°C,
2.7V ≤ V
DD
< 3.0V
±1.5
DS1731
Thermometer Error
T
ERR
-55°C to +125°C ±2
°C 2
Low-Level Input
Voltage
V
IL
-0.5 0.3 x V
DD
V
High-Level Input
Voltage
V
IH
0.7 x
V
DD
V
DD
+ 0.3 V
V
OL1
3mA sink current 0 0.4 SDA Low-Level
Output Voltage
V
OL2
6mA sink current 0 0.6
V
Input Current Each
I/O Pin
0.4 < V
I/O
< 0.9V
DD
-10 +10 µA
Temperature
conversion
-55°C to +85°C
1
Temperature
conversion
+85°C to +125°C
1.25
mA
E
2
write 400
Active Supply
Current
I
DD
Communication only 110
µA
3
Standby Supply
Current
I
STBY
0°C to +70°C 800 nA 4
V
OH
1mA source current 2.4 V 1 T
OUT
Output Logic
Voltage
V
OL
4mA sink current 0.4 V 1