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參數(shù)資料
| 型號： | LM64 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 【1∑C Remote Diode Temperature Sensor with PWM Fan Control and 5 GPIO’s |
| 中文描述： | 【1ΣC遠(yuǎn)程二極管溫度傳感器，PWM風(fēng)扇控制和5個GPIO的 |
| 文件頁數(shù)： | 5/29頁 |
| 文件大小： | 363K |
| 代理商： | LM64 |
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Absolute Maximum Ratings
(Notes 1,
2)
Supply Voltage, V
DD
Voltage on SMBDAT, SMBCLK,
ALERT, T_Crit, PWM Pins
Voltage on Other Pins
Input Current, D Pin
Input Current at All Other Pins (Note 3)
Package Input Current (Note 3)
Package Power Dissipation
SMBDAT, ALERT, T_Crit, PWM pins
Output Sink Current
Storage Temperature
0.3 V to 6.0 V
0.5 V to 6.0 V
0.3 V to (V
DD
+ 0. 3 V)
±
1 mA
5 mA
30 mA
(Note 5)
10 mA
65C to +150C
ESD Susceptibility
(Note 4)
Human Body Model
Machine Model
SMT Soldering Information
See National Semiconductor Application Note AN-1187,
"Leadless Leadframe Package" for information on SMT
Assembly using LLP Packages. This is available at
http://www.national.com/an/AN/AN-1187.pdf.
2000 V
200 V
Operating Ratings
(Notes 1, 2)
LM64 Operating Temperature Range
Remote Diode Temperature Range
Electrical Characteristics
Supply Voltage Range (V
DD
)
0C
≤
T
A
≤
+85C
25C
≤
T
D
≤
+140C
T
MIN
≤
T
A
≤
T
MAX
+3.0 V to +3.6 V
DC Electrical Characteristics
TEMPERATURE-TO-DIGITAL CONVERTER CHARACTERISTICS
The following specifications apply for V
= 3.0 VDC to
3.6 VDC, and all analog source impedance R
= 50
unless otherwise specified in the conditions.
Boldface limits apply for
T
A
= T
MIN
to T
MAX
;
all other limits T
A
= +25C.
Parameter
Conditions
Typical
(Note 7)
Limits
(Note 8)
Units
(Limits)
Temperature Error using a diode-connected
MMBT3904 transistor. T
D
is the Remote
Diode Junction Temperature.
T
D
= T
LM64
+ 16C
Temperature Error Using the Local Diode
Remote Diode Resolution
T
A
= +30C to
+50C
T
A
= +0C to
+85C
T
A
= +25C to +125C (Note 10)
T
D
= +120C to
+140C
T
D
= +25C to
+140C
±
1
C (max)
±
3
C (max)
±
1
11
±
3
C (max)
Bits
C
Bits
C
ms (max)
V
μA (max)
μA (min)
μA (max)
μA (min)
0.125
8
1
31.25
0.7
Local Diode Resolution
Conversion Time of All Temperatures
D Source Voltage
Fastest Setting
34.4
Diode Source Current
(V
D+
V
D
) = +0.65 V; High
Current
160
315
110
20
7
Low Current
13
Operating Electrical Characteristics
Parameter
Conditions
Typ
(Note 7)
Limits
(Note 8)
Units
ALERT, T_Crit and PWM Output Saturation
Voltage
ALERT, T_Crit
I
OUT
I
OUT
PWM
6 mA
4 mA
6 mA
0.4
0.55
2.4
1.8
V (max)
Power-On-Reset Threshold Voltage
V (max)
V (min)
Supply Current (Note 9)
SMBus Inactive, 16 Hz
Conversion Rate
STANDBY Mode
1.1
2.0
mA (max)
320
μA
L
www.national.com
5
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