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LM74 bảng dữ liệu(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LM74
Giải thích chi tiết về linh kiện  SPI/MICROWIRE??Digital Temperature Sensor
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LM74 bảng dữ liệu(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
SO-8 Package (Note 3)
Vapor Phase (60 seconds)
Infrared (15 seconds)
215˚C
220˚C
ESD Susceptibility (Note 4)
Human Body Mode
LM74CIBP SC, pin 5
1900V
LM74CIM and LM74CIBP all
other pins
2000V
Machine Model
200V
Operating Ratings
Specified Temperature Range
T
MIN to TMAX
(Note 5)
LM74CIBP
LM74CIM
−40˚C to +125˚C
−55˚C to +150˚C
Supply Voltage Range (+V
S)
LM74CIBP
+2.65V to +5.5V
LM74CIM
+3.0V to +5.5V
Temperature-to-Digital Converter Characteristics
Unless otherwise noted, these specifications apply for V
+ = 2.65V to 3.6V for the LM74CIBP -3, V+ = 3.0V to 3.6V for the
LM74CIM -3 and V
+ = 4.5V to 5.5V for the LM74 -5 (Note 6). Boldface limits apply for T
A =TJ =TMIN to TMAX; all other lim-
its T
A =TJ=+25˚C, unless otherwise noted.
Parameter
Conditions
Typical
(Note 7)
LM74-5
Limits
(Note 8)
LM74-3
Limits
(Note 8)
Units
(Limit)
Temperature Error (Note 6)
T
A = −10˚C to +65˚C
±1.25
±1.25
˚C (max)
T
A = −25˚C to +110˚C
±2.1
+2.65/−2.15
˚C (max)
T
A = −40˚C to +85˚C
+2.65/−1.65
±2.15
˚C (max)
T
A = −40˚C to +110˚C
+2.65/
−2.0
+2.65/−2.15
˚C (max)
T
A = −55˚C to +125˚C
±3.0
±3.5
˚C (max)
T
A = −55˚C to +150˚C
±5.0
±5.0
˚C (max)
Resolution
13
Bits
Temperature
Conversion Time
SO-8
(Note 9)
280
425
425
ms (max)
micro SMD
(Note 9)
611
925
925
ms (max)
Quiescent Current
SO-8
Serial Bus Inactive
310
520
520
µA (max)
micro SMD
265
470
470
µA (max)
SO-8
Serial Bus Active
310
µA
micro SMD
310
µA
SO-8
Shutdown Mode,
V
+ = 3.3V
7µA
micro SMD
3
µA
SO-8
Shutdown Mode,
V
+ =5V
8µA
micro SMD
4
µA
Logic Electrical Characteristics
DIGITAL DC CHARACTERISTICS Unless otherwise noted, these specifications apply for V
+ = 2.65V to 3.6V for the
LM74CIBP -3, V
+ = 3.0V to 3.6V for the LM74CIM -3 and V+ = 4.5V to 5.5V for the LM74 -5 (Note 6). 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
+ = 3.0V to 3.6V
0.8
0.35
V (min)
V
+ = 4.5V to 5.5V
0.8
0.33
V (min)
I
IN(1)
Logical “1” Input Current
V
IN =V
+
0.005
3.0
µA (max)
www.national.com
4


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