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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： | 3/16頁 |
| 文件大小： | 168K |
| 代理商： | LM84 |
Pin Descriptions
Label
Pin
#
Function
Typical Connection
NC
1, 5, 9,
13, 16
Manufacturing test pins.
Left floating. PC board traces may be routed
through the pads for these pins. Although, the
components that drive these traces should share
the same supply as the LM84 so that the Absolute
Maximum Voltage at any Pin rating is not violated.
V
CC
2
Positive Supply Voltage
Input
Diode Current Source
DC Voltage from 3.0V to 3.6V
D+
3
To Diode Anode. Connected to remote discrete
diode or to the diode on the external IC whose die
temperature is being sensed.
To Diode Cathode. Must be grounded when not
used.
Ground (Low, “0”), V
CC
(High, “1”) or open
(“TRI-LEVEL”)
Ground
Pull Up Resistor, Controller Interrupt Line or
System Shutdown
From and to Controller, Pull Up Resistor
D
4
Diode Return Current
Sink
User-Set SMBus (I
2
C)
Address Inputs
Power Supply Ground
Critical Temperature
Alarm, open-drain output
SMBus (I
2
C) Serial
Bi-Directional Data Line,
open-drain output
SMBus (I
2
C) Clock Input
No Connection
ADD0–ADD1
10, 6
GND
7, 8
T_CRIT_A
11
SMBData
12
SMBCLK
14
From Controller
Left floating. PC board traces may be routed
through the pads for this pin.
NC
15
L
www.national.com
3
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