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LM84 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM84
Description  Diode Input Digital Temperature Sensor with Two-Wire Interface
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM84 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:
NC (Pins 1,5,9), ADD0, ADD1, D
+
−0.3V to
(V
CC + 0.3V)
All other pins (except D−)
−0.3V to 6.0V
D− Input Current
±1mA
Input Current at All Other Pins (Note
2)
5 mA
Package Input Current (Note 2)
20 mA
SMBData, T_CRIT_A Output Sink
Current
10 mA
Output Voltage
6.0V
Storage Temperature
−65˚C to +150˚C
Soldering Information, Lead Temperature
QSOP Package (Note 3)
Vapor Phase (60 seconds)
215˚C
Infrared (15 seconds)
220˚C
ESD Susceptibility (Note 4)
Human Body Model
2500V
Machine Model
250V
Operating Ratings
(Note 1) and (Note 5)
Specified Temperature Range
T
MIN to TMAX
LM84
0˚C to +125˚C
Supply Voltage Range (V
CC)
+3.0V to +3.6V
Temperature-to-Digital Converter Characteristics
Unless otherwise noted, these specifications apply for V
CC=+3.0 Vdc to +3.6 Vdc. Boldface limits apply for TA =TJ =TMIN
to T
MAX; all other limits TA=TJ=+25˚C, unless otherwise noted.
Parameter
Conditions
Typical
Limits
Units
(Note 6)
(Note 7)
(Limit)
Local Temperature Error (Note 8)
±1˚C
Remote Temperature Error using
Pentium Diode (Note 8) and (Note
9)
+60˚C
≤T
A ≤ +100˚C,
V
CC = 3.3 Vdc
±3
˚C (max)
0˚C
≤ T
A ≤ +125˚C,
V
CC = 3.3 Vdc
±5
˚C (max)
Remote Temperature Error using
Diode Connected 2N3904 (Note 8)
and (Note 9)
+60˚C
≤T
A ≤ +100˚C,
V
CC = 3.3 Vdc
+1, −5
˚C (max)
0˚C
≤ T
A ≤ +125˚C,
V
CC = 3.3 Vdc
+3, −7
˚C (max)
Resolution
8
Bits
1˚C
Temperature Conversion Time
(Note 11)
120
145
ms
Quiescent Current (Note 10)
SMBus (I
2C Inactive)
0.500
1
mA (max)
D− Source Voltage
0.7
V
Diode Source Current
(D+ − D−)=+ 0.65V; high
level
160
µA (max)
50
µA (min)
Low level
16
µA (max)
5
µA (min)
T_CRIT_A Output Saturation
Voltage
I
OUT = 3.0 mA
0.4
V (max)
Power-On Reset Threshold
On V
CC input, falling
edge
2.2
1.2
V (max)
V (min)
Local and Remote T_CRIT Default
Temperature
(Note 12)
+127
˚C
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