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© Andigilog, Inc. 2006
www.andigilog.com
August 2006 - 70A04010
aSC7511
Absolute Maximum Ratings
1
Parameter
Rating
Supply Voltage, VDD, 3.3V nom.
-0.3, +3.6V
Output Voltage
VDD + 0.5V
D+
-0.3V to VDD +
0.5V
D- to GND
-0.3V to 0.6V
SDA, SCL, ALERT , THERM
-0.3V to 5.5V
I/O Current, SCL, SDA,
ALERT , THERM
-1mA
Input Current, D-
±1mA
Continuous Current,
any other terminal
10mA
Storage Temperature Range
-60
°C to +150°C
IR Reflow Peak Temperature
260
°C
Lead Soldering
Temperature (10 sec.)
300
°C
Human Body Model
> 2000 V
Machine Model
> 250 V
ESD
2
Charged Device Model
> 2000 V
Notes:
1. Absolute maximum ratings are limits beyond which
operation may cause permanent damage to the device.
These are stress ratings only; functional operation at or
above these limits is not implied.
2. Human Body Model: 100pF capacitor discharged through
a 1.5k
Ω resistor into each pin. Machine Model: 200pF
capacitor discharged directly into each pin. Charged
Device Model is per JESD22-C101C.
3. These specifications are guaranteed only for the test
conditions listed.
4. Accuracy (expressed in °C) = Difference between the
aSC7511 reported output temperature and the
temperature being measured.
5. Guaranteed by characterization but not production tested.
6. The accuracy of the aSC7511 is guaranteed when using
the thermal diode of a processor or any thermal diode with
a non-ideality of 1.008 and internal series resistance of
3.52Ω. When using a 2N3904 type transistor as a thermal
diode the error band will be typically shifted depending on
transistor characteristics.
7. The aSC7511 can be read at any time without interrupting
the temperature conversion process.
Electrical Characteristics
3
(-40°C≤TA≤+125°C, VDD= 3.3V unless otherwise noted. Specifications subject to change without notice)
Parameter
Conditions
Min
Typ
Max
Units
Supply Voltage
VDD
3.0
3.3
3.6
V
0.0625 Conversions-per-second rate
170
215
µA
Standby Mode, -40°C
≤TA<+85°C
6
10
µA
Operating Supply Current
IDD
Standby Mode, +85°C
≤TA≤+120°C
6
20
µA
Local Sensor Accuracy
4
-40°C≤TA≤+100°C, 3V≤VDD≤3.6V
±1
±3
°C
Local Sensor Resolution
1
°C
+60°C
≤TA≤+100°C,
-55°C
≤TD ≤+150°C, 3V≤VDD≤3.6V
±1
±2
°C
Remote Sensor Accuracy
4,5,6
-40°C
≤TA≤+120°C,
-55°C
≤TD ≤+150°C, 3V≤VDD≤3.6V
±3
°C
Remote Sensor Resolution
0.25
°C
Temperature Conversion Time
7
From Stop Bit to Conversion
Complete, One-Shot Mode, 2
Sensors, Averaging On
115
ms
Temperature Conversion Time
7
One-Shot Mode, Averaging Off
30
ms
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