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參數(shù)資料
| 型號： | LM32 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Dual Thermal Diode Temperature Sensor with SensorPath Bus |
| 中文描述： | 雙熱二極管溫度傳感器SensorPath總線 |
| 文件頁數(shù)： | 2/24頁 |
| 文件大小： | 340K |
| 代理商： | LM32 |
Connection Diagram
TSSOP-14
20071102
Top View
National Package Number MTC14C
Order
Number
LM32CIMT
Package
Marking
LM32
CIMT
LM32
CIMT
NS
Package
Number
MTC14C
Transport
Media
94 units per
rail
2500 units in
tape and reel
LM32CIMTX
MTC14C
Pin Description
Pin Number
1, 6, 7,12, 13,
14
2
3
Pin Name
NC
Description
No Connect
Typical Connection
May be tied to V+, GND or left floating
GND
Ground
Positive power supply pin
System ground
Connected system 3.3 V standby power and
to a 0.1 μF bypass capacitor in parallel with
100 pF. A bulk capacitance of approximately
10 μF needs to be in the near vicinity of the
LM32.
Super I/O, Pull-up resistor, 1.6k
V+/+3.3V_SBY
4
SWD
SensorPath Bus line; Open-drain
output
Digital input - device number select
input for the serial bus device
number
Thermal diode analog voltage
output and negative monitoring
input
5
ADD
Pull-up to 3.3 V or pull-down to GND resistor,
10k; must never be left floating
8, 10
D1-, D2-
Remote Thermal Diode cathode
(THERM_DC) - Diode 1 should always be
connected to the processor thermal diode.
Diode 2 may be connected to an MMBT3904
or GPU thermal diode. A 100 pF capacitor
should be connected between respective D-
and D+ for noise filtering.
Remote Thermal Diode anode (THERM_DA) -
Diode 1 should always be connected to the
processor thermal diode. Diode 2 may be
connected to an MMBT3904 or GPU thermal
diode. A 100 pF capacitor should be
connected between respective D- and D+ for
noise filtering.
9, 11
D1+, D2+
Thermal diode analog current
output and positive monitoring input
L
www.national.com
2
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