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參數資料
| 型號： | LM84 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Diode Input Digital Temperature Sensor with Two-Wire Interface |
| 中文描述： | 二極管輸入數字溫度傳感器兩線接口 |
| 文件頁數： | 4/16頁 |
| 文件大小： | 168K |
| 代理商： | LM84 |
Absolute Maximum Ratings
(Note 1)
Supply Voltage
Voltage at Any Pin:
NC (Pins 1,5,9), ADD0, ADD1, D
+
0.3V to 6.0V
0.3V to
(V
CC
+ 0.3V)
0.3V to 6.0V
All other pins (except D)
D Input Current
Input Current at All Other Pins (Note
2)
Package Input Current (Note 2)
SMBData, T_CRIT_A Output Sink
Current
Output Voltage
Storage Temperature
±
1 mA
5 mA
20 mA
10 mA
6.0V
65C to +150C
Soldering Information, Lead Temperature
QSOP Package (Note 3)
Vapor Phase (60 seconds)
Infrared (15 seconds)
ESD Susceptibility (Note 4)
Human Body Model
Machine Model
215C
220C
2500V
250V
Operating Ratings
(Note 1) and (Note 5)
Specified Temperature Range
LM84
Supply Voltage Range (V
CC
)
T
MIN
to T
MAX
0C to +125C
+3.0V to +3.6V
Temperature-to-Digital Converter Characteristics
Unless otherwise noted, these specifications apply for V
=+3.0 Vdc to +3.6 Vdc.
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
;
all other limits T
A
= T
J
=+25C, unless otherwise noted.
Parameter
Conditions
Typical
(Note 6)
±
1
Limits
(Note 7)
Units
(Limit)
C
Local Temperature Error (Note 8)
Remote Temperature Error using
Pentium Diode (Note 8) and (Note
9)
+60C
≤
T
A
≤
+100C,
V
CC
= 3.3 Vdc
0C
≤
T
A
≤
+125C,
V
CC
= 3.3 Vdc
+60C
≤
T
A
≤
+100C,
V
CC
= 3.3 Vdc
0C
≤
T
A
≤
+125C,
V
CC
= 3.3 Vdc
±
3
C (max)
±
5
C (max)
Remote Temperature Error using
Diode Connected 2N3904 (Note 8)
and (Note 9)
+1, 5
C (max)
+3, 7
C (max)
Resolution
8
1
Bits
C
ms
Temperature Conversion Time
Quiescent Current (Note 10)
D Source Voltage
Diode Source Current
(Note 11)
SMBus (I
2
C Inactive)
120
0.500
0.7
145
1
mA (max)
V
μA (max)
μA (min)
μA (max)
μA (min)
(D+ D)=+ 0.65V; high
level
160
50
16
5
0.4
Low level
T_CRIT_A Output Saturation
Voltage
Power-On Reset Threshold
I
OUT
= 3.0 mA
V (max)
On V
CC
input, falling
edge
(Note 12)
2.2
1.2
V (max)
V (min)
C
Local and Remote T_CRIT Default
Temperature
+127
L
www.national.com
4
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