DS1626 Datasheet, PDF (3/13 Pages) Dallas Semiconductor – High-Precision 3-Wire Digital Thermometer and Thermostat

DS1626/DS1726
ABSOLUTE MAXIMUM RATINGS*
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)
+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
PARAMETER SYMBOL
(V_DD = 2.7V to 5.5V; T_A = -55°C to +125°C.)
CONDITIONS
MIN TYP MAX UNITS
Supply Voltage
V_DD
(Note 1)
2.7
0°C to +70°C,
DS1626
3.0V £ V_DD £ 5.5V
Thermometer Error
(Note 2)
T_ERR
0°C to +70°C,
2.7V £ V_DD < 3.0V
-55°C to +125°C
5.5
V
±0.5
±1.25
°C
±2
DS1726
Thermometer Error
(Note 2)
T_ERR
-10°C to +85°C,
3.0V £ V_DD £ 5.5V
-10°C to +85°C,
2.7V £ V_DD < 3.0V
-55°C to +125°C
±1
±1.5
°C
±2
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
Active Supply
Current (Note 3)
Input Resistance
Standby Supply
Current
Temperature conversion
-55°C to +85°C
I_DD
Temperature conversion
+85°C to +125°C
E² write
R_I
RST to GND
DQ, CLK to V_DD
1
I_STBY
0°C to +70°C (Note 3)
1
mA
1.25
400
µA
MW
1.5
µA
THIGH, TLOW,
V_OH
1mA source current
2.4
TCOM, DQ Output
Logic Voltages
V_OL
4mA sink current
(Note 1)
0.4
V
Thermal Drift
(Note 4)
±0.2
°C
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