User Manual

DS1775
11 of 13
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 See J-STD-020A Specification
* 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.
DC ELECTRICAL CHARACTERISTICS
(–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
Input Logic High V
IH
0.7 V
DD
V
DD
+0.5 V 1
Input Logic Low V
IL
-0.5 0.3V
DD
V1
V
OL1
3 mA sink
current
0 0.4SDA Output Logic Low
Voltage
V
OL2
6 mA sink
current
0 0.6
V1
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
<
0.9V
DD
-10 +10
µA
2
I/O Capacitance C
I/O
10 pF
Standby Current I
DD1
1
µA
3,4
Active Temp.
Conversions
1000Active Current I
DD
Communication
only
100
µA
3,4
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
–55
°
C to 125
°
C
±2.0
±3.0
°
C
9, 10
Resolution 9 12 bits
9-bit
conversion
125 187.5
10-bit
conversion
250 375
11-bit
conversion
500 750
Conversion Time t
CONVT
12-bit
conversion
1000 1500
ms