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LM70 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM70
Description  SPI/MICROWIRE™ 10-Bit plus Sign Digital Temperature Sensor
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM70 Datasheet(HTML) 4 Page - National Semiconductor (TI)

 
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Absolute Maximum Ratings (Note 1)
Supply Voltage
−0.3V to 6.0V
Voltage at any Pin
−0.3V to V
+ + 0.3V
Input Current at any Pin (Note 2)
5 mA
Package Input Current (Note 2)
20 mA
Storage Temperature
−65˚C to +150˚C
Soldering Information, Lead Temperature
MSOP-8 and LLP-8 Packages
(Note 3)
Vapor Phase (60 seconds)
Infrared (15 seconds)
215˚C
220˚C
ESD Susceptibility (Note 4)
Human Body Model
3000V
Machine Model
300V
Operating Ratings
Specified Temperature Range
T
MIN to TMAX
(Note 5)
−55˚C to +150˚C
Supply Voltage Range (+V
S)
+2.65V to +5.5V
Temperature-to-Digital Converter Characteristics
Unless otherwise noted, these specifications apply for V
+ = 2.65V to 3.6V for the LM70-3 and V+ = 4.5V to 5.5V for the LM70-5
(Note 6). Boldface limits apply for T
A =TJ =TMIN to TMAX; all other limits TA =TJ=+25˚C, unless otherwise noted.
Parameter
Conditions
Typical
(Note 7)
LM70-5
Limits
(Note 8)
LM70-3
Limits
(Note 8)
Units
(Limit)
Temperature Error (Note 6)
T
A = −10˚C to +65˚C
+1.5/−2.0
+1.5/−2.0
˚C (max)
T
A = −40˚C to +85˚C
±2.0
±2.0
˚C (max)
T
A = −55˚C to +125˚C
+3.0/−2.0
+3.0/−2.0
˚C (max)
T
A = −55˚C to +150˚C
+3.5/−2.0
+3.5/−2.0
˚C (max)
Resolution
11
0.25
Bits
˚C
Temperature Conversion Time
(Note 9)
140
210
210
ms (max)
Quiescent Current
Serial Bus Inactive
260
490
490
µA (max)
Serial Bus Active
260
µA
Shutdown Mode
12
µA
Logic Electrical Characteristics
DIGITAL DC CHARACTERISTICS
Unless otherwise noted, these specifications apply for V
+ = 2.65V to 3.6V for the LM70-3 and V+ = 4.5V to 5.5V for the
LM70-5. Boldface limits apply for T
A =TJ =TMIN to TMAX; all other limits TA =TJ=+25˚C, unless otherwise noted.
Symbol
Parameter
Conditions
Typical
(Note 7)
Limits
(Note 8)
Units
(Limit)
V
IN(1)
Logical “1” Input Voltage
V
+ x 0.7
V (min)
V
+ + 0.3
V (max)
V
IN(0)
Logical “0” Input Voltage
−0.3
V (min)
V
+ x 0.3
V (max)
Input Hysteresis Voltage
V
+ = 2.65V to 3.6V
0.8
0.27
V (min)
V
+ = 4.5V to 5.5V
0.8
0.35
V (min)
I
IN(1)
Logical “1” Input Current
V
IN =V
+
0.005
3.0
µA (max)
I
IN(0)
Logical “0” Input Current
V
IN = 0V
−0.005
−3.0
µA (min)
C
IN
All Digital Inputs
20
pF
V
OH
High Level Output Voltage
I
OH = −400 µA
2.4
V (min)
V
OL
Low Level Output Voltage
I
OL =+2 mA
0.4
V (max)
I
O_TRI-STATE
TRI-STATE Output Leakage
Current
V
O = GND
V
O =V
+
−1
+1
µA (min)
µA(max)
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