DS1775 Datasheet, PDF (11/13 Pages) Dallas Semiconductor – SOT23-5 Digital Thermometer and Thermostat

DS1775
ABSOLUTE MAXIMUM RATINGS*
Voltage on VDD, Relative to Ground
–0.3V to +7.0V
Voltage on any other pin, Relative to Ground
–0.3V to +7.0V
Operating Temperature
–55°C to +125°C
Storage Temperature
–55°C to +125°C
Soldering Temperature
260°C for 10 seconds
* This is a stress rating 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.
RECOMMENDED DC OPERATING CONDITIONS
(–55°C to +125°C; 2.7V ≤V_DD ≤5.5V)
PARAMETER
SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Supply Voltage
V_DD
2.7
5.5
V
1
DC ELECTRICAL CHARACTERISTICS (–55°C to +125°C; 2.7V ≤V_DD ≤5.5V)
PARAMETER
SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Input Logic High
V_IH
0.7 V_DD
V_DD+0.5 V
1
Input Logic Low
SDA Output Logic Low
Voltage
V_IL
V_OL1
-0.5
3 mA sink
0
current
0.3V_DD
V
1
0.4
V
1
V_OL2
6 mA sink
0
0.6
current
O.S. Saturation Voltage
V_OL
4 mA sink
current
0.8
V
1,9
Input current each I/O pin
0.4 < V_I/O <
-10
0.9V_DD
+10
µA
2
I/O Capacitance
C_I/O
Standby Current
I_DD1
10
pF
1
µA
3,4
Active Current
I_DD
Active Temp.
Conversions
1000
µA
3,4
Communication
100
only
ELECTRICAL CHARACTERISTICS:
DIGITAL THERMOMETER
(–55°C to +125°C; 2.7V ≤V_DD ≤5.5V)
PARAMETER
SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Thermometer Error
T_ERR –10°C to +85°C
±2.0
°C
9, 10
–55°C to 125°C
±3.0
Resolution
9
12
bits
Conversion Time
t_CONVT
9-bit
125 150
ms
conversion
10-bit
250 300
conversion
11-bit
500 600
conversion
12-bit
1000 1200
conversion
11 of 13
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