Datasheet

Voltage on any Pin Relative to Ground ................ -0.5V to +6.0V
Operating Temperature Range ......................... -55°C to +125°C
Storage Temperature Range ............................ -55°C to +125°C
Solder Dip Temperature (10s) .......See IPC/JEDEC J-STD-020A
Specification
Reflow Oven Temperature ...............................................+220°C
(V
DD
= 2.7V to 5.5V; T
A
= -55°C to +125°C.)
PARAMETER SYMBOL CONDITION MIN MAX UNITS
Supply Voltage V
DD
(Note 1) 2.7 5.5 V
DS1631, DS1631A
Thermometer Error (Note 2)
T
ERR
0°C to +70°C,
3.0V ≤ V
DD
≤ 5.5V
±0.5
°C
0°C to +70°C,
2.7V ≤ V
DD
< 3.0V
±1
-55°C to +125°C ±2
DS1731 Thermometer Error
(Note 2)
T
ERR
-10°C to +85°C,
3.0V ≤ V
DD
≤ 5.5V
±1
°C
-10°C to +85°C,
2.7V ≤ V
DD
< 3.0V
±1.5
-55°C to +125°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
SDA Low-Level Output
Voltage
V
OL1
3mA sink current 0 0.4
V
V
OL2
6mA sink current 0 0.6
Input Current Each I/O Pin 0.4 < V
I/O
< 0.9V
DD
-10 +10 µA
Active Supply Current (Note 3) I
DD
Temperature conversion
-55°C to +85°C
1
mA
Temperature conversion
+85°C to +125°C
1.25
E
2
write 400
µA
Communication only 110
Standby Supply Current I
STBY
0°C to +70°C (Note 4) 800 nA
T
OUT
Output Logic Voltage
V
OH
1mA source current (Note 1) 2.4 V
V
OL
4mA sink current (Note 1) 0.4 V
DS1631/DS1631A/
DS1731
High-Precision Digital
Thermometer and Thermostat
www.maximintegrated.com
Maxim Integrated │ 2
Absolute Maximum Ratings
*These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure
to absolute maximum rating conditions for extended periods of time may affect reliability.
DC Electrical Characteristics