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LM41 数据表(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM41
功能描述  Hardware Monitor with Thermal Diode Inputs and SensorPath??Bus
PDF  27 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM41 数据表(HTML) 2 Page - National Semiconductor (TI)

  LM41 Datasheet HTML 1Page - National Semiconductor (TI) LM41 Datasheet HTML 2Page - National Semiconductor (TI) LM41 Datasheet HTML 3Page - National Semiconductor (TI) LM41 Datasheet HTML 4Page - National Semiconductor (TI) LM41 Datasheet HTML 5Page - National Semiconductor (TI) LM41 Datasheet HTML 6Page - National Semiconductor (TI) LM41 Datasheet HTML 7Page - National Semiconductor (TI) LM41 Datasheet HTML 8Page - National Semiconductor (TI) LM41 Datasheet HTML 9Page - National Semiconductor (TI) Next Button
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Connection Diagram
TSSOP-14
20070302
Top View
National Package Number MTC14C
Order
Number
Package
Marking
NS
Package
Number
Transport
Media
LM41CIMT
LM41
CIMT
MTC14C
94 units per
rail
LM41CIMTX
LM41
CIMT
MTC14C
2500 units in
tape and reel
Pin Description
Pin Number
Pin Name
Description
Typical Connection
1, 10, 13, 14
NC
No Connect
May be tied to V+, GND or left floating. Do
not tie active signals to pin 10.
2
GND
Ground
System ground
3
V+/+3.3V_SBY
Positive power supply pin as well
as a +3.3V voltage monitor
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
LM41.
4
SWD
SensorPath Bus line; Open-drain
output
Super I/O, Pull-up resistor, 1.6k
5
ADD
Digital input - device number select
input for the serial bus device
number
Pull-up to 3.3 V or pull-down to GND resistor,
10k; must never be left floating
6
+1.2V
+1.2V voltage monitoring input with
scaling resistors
Processor core voltage to be monitored
7
+2.5V
+2.5V voltage monitoring input with
scaling resistors
Power supply voltage to be monitored
8
D-
Thermal diode analog voltage
output and negative monitoring
input
Remote Thermal Diode cathode
(THERM_DC) - Can be connected to a CPU
or thermal diode, an MMBT3904 or a GPU
thermal diode. A 100 pF capacitor should be
connected between respective D- and D+ for
noise filtering.
9
D+
Thermal diode analog current
output and positive monitoring input
Remote Thermal Diode anode (THERM_DA) -
Can be connected to a CPU or thermal diode,
an MMBT3904 or a GPU thermal diode. A
100 pF capacitor should be connected
between respective D- and D+ for noise
filtering.
11
+5V
+5V voltage monitoring input with
scaling resistors
Power supply voltage to be monitored
12
+12V
+12V voltage monitoring input with
scaling resistors
Power supply voltage to be monitored
www.national.com
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