Datasheet

DS1626/DS1726
3 of 12
ABSOLUTE MAXIMUM RATINGS
Voltage Range 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) .............................................................................................+260°C
Reflow Oven Temperature ..................................................................................................+220°C
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
(V
DD
= 2.7V to 5.5V, T
A
= -55°C to +125°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Supply Voltage V
DD
(Note 1) 2.7 5.5 V
0°C to +70°C,
3.0V ≤ V
DD
≤ 5.5V
±0.5
0°C to +70°C,
2.7V ≤ V
DD
< 3.0V
±1.25
DS1626
Thermometer
Error
(Note 2)
T
ERR
-55°C to +125°C
±2
°C
-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
DS1726
Thermometer
Error (Note 2)
T
ERR
-55°C to +125°C ±2
°C
Low-Level Input
Voltage
V
IL
(Note 1) -0.5 0.3 x V
DD
V
High-Level Input
Voltage
V
IH
(Note 1) 0.7 x V
DD
V
DD
+ 0.3 V
Input Current
each Input Pin
0.4 < V
I/O
< 0.9 x V
DD
-10 +10 µA
Temperature conversion
-55°C to +85°C
1
Temperature conversion
+85°C to +125°C
1.25
mA
Active Supply
Current (Note 3)
I
DD
E
2
write 400 µA
Input Resistance R
I
RST to GND
DQ, CLK to V
DD
1
MΩ
Standby Supply
Current
I
STBY
0°C to +70°C (Note 3) 1.5 µA
V
OH
1mA source current 2.4 THIGH, TLOW,
TCOM, DQ
Output Logic
Voltages (Note 1)
V
OL
4mA sink current 0.4
V
Thermal Drift
(Note 4)
±0.2 °C