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DS620 Digital Thermometer and Thermostat
 
 
 
3 of 15
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin, Relative to Ground 
-0.5V to +4.5V
Operating Temperature Range 
-55癈 to +125癈
Storage Temperature Range 
-55癈 to +125癈
Soldering Temperature 
See IPC/JEDEC J-STD-020A Specification
ESD rating on all pins
4KV HBM
 
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device.
 
RECOMMENDED DC OPERATING CONDITIONS
(3.5V e V
DD
 e 1.7V, T
A
 = -55癈 to +125癈.)
 
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Voltage Range on Any Pin,
Relative to Ground
V
DD
 
(Note 1)
1.7
 
3.5
V
Supply Voltage for EEPROM
Writes
V
DD
 
(Note 1)
2.0
 
3.5
V
 
DC ELECTRICAL CHARACTERISTICS
(3.5V e V
DD
 e 1.7V, T
A
 = -55癈 to +125癈.)
 
PARAMETER
SYMBOL
CONDITIONS
MIN     TYP     MAX
UNITS
0癈 to +70癈
 
 
?.5
Thermometer Error
T
ERR
 
-55癈 to +125癈
 
 
?
癈
Input Logic High
V
IH
 
(Note 1)
0.7 x
V
DD
 
 
V
DD
+
0.5
V
Input Logic Low
V
IL
 
(Note 1)
- 0.5
 
0.3 x
V
DD
 
V
V
OL1
 
3mA sink current (Note 1)
0
 
0.4
SDA Output Logic Low Voltage
V
OL2
 
6mA sink current (Note 1)
0
 
0.6
V
PO Saturation Voltage
V
OL
 
4mA sink current (Note 1)
0
 
0.4
V
Input Current for each I/O pin
 
0.4 < V
I/O
< 0.9 x V
DD
 
-10
 
+10
礎
I/O Capacitance
C
I/O
 
 
 
 
10
pF
Standby Current
I
STBY
 
0癈 to +70癈 (Note 2)
 
 
2
礎
Temperature conversion, -
55癈 to +85癈 (Note 3)
 
 
800
Temperature conversion,
+85癈 to +125癈 (Note 3)
 
 
900
礎
Active Supply Current
I
DD
 
E
2
 write (Note 3)
 
 
500
礎
10 bit
 
 
25
11 bit
 
 
50
12 bit
 
 
100
Temperature Conversion Time
T
TC
 
13 bit
 
 
200
ms
 
Note 1: All voltages are referenced to GND. 
Note 2: Specified with SDA = V
DD
; A
0
, A
1
, A
2
 = 0V or V
DD
.
Note 3: Specified with A
0
, A
1
, A
2
 = 0V or V
DD
.
 
 
 
 
 
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