Motor de Búsqueda de Datasheet de Componentes Electrónicos
Selected language     Spanish  ▼

Delete All
ON OFF
ALLDATASHEET.ES

X  

Preview PDF Download HTML

LM95241 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
No. de Pieza. LM95241
Descripción  Dual Remote Diode Temperature Sensor with SMBus Interface and TruTherm™ Technology (65nm/90nm)
Descarga  19 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fabricante  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo 

LM95241 Datasheet(HTML) 1 Page - National Semiconductor (TI)

 
Zoom Inzoom in Zoom Outzoom out
 1 / 19 page
background image
LM95241
Dual Remote Diode Temperature Sensor with SMBus
Interface and TruThermTechnology (65nm/90nm)
General Description
The LM95241 is a precision dual remote diode temperature
sensor (RDTS) that uses National’s TruTherm technology.
The 2-wire serial interface of the LM95241 is compatible with
SMBus 2.0. The LM95241 can sense three temperature
zones, it can measure the temperature of its own die as well
as two diode connected transistors. The LM95241 includes
digital filtering and an advanced input stage that includes
analog filtering and TruTherm technology that reduces
processor-to-processor non-ideality spread. The diode con-
nected transistors can be a “thermal diode” as found in Intel
and AMD processors or can simply be a diode connected
MMBT3904 transistor. TruTherm technology allows accurate
measurement of “thermal diodes” found on small geometry
processes such as 90nm and 65nm. The LM95241 supports
user selectable thermal diode non-ideality of either Intel
processor on 90nm or 65nm process or 2N3904.
The LM95241 resolution format for remote temperature
readings can be programmed to be 11-bits signed or un-
signed with the digital filtering disabled. When the filtering is
enabled the resolution increases to 13-bits signed or un-
signed. In the unsigned mode the LM95241 remote diode
readings can resolve temperatures above 127˚C. Local tem-
perature readings have a resolution of 9-bits plus sign.
Features
n
Accurately senses die temperature of remote ICs or
diode junctions
n
Uses TruTherm technology for precision “thermal diode”
temperature measurement
n
Thermal diode input stage with analog filtering
n
Thermal diode digital filtering
n
Intel processor on 65nm or 90nm process or 2N3904
non-ideality selection
n
Remote diode fault detection
n
On-board local temperature sensing
n
Remote temperature readings without digital filtering:
— 0.125 ˚C LSb
— 10-bits plus sign or 11-bits programmable resolution
— 11-bits resolves temperatures above 127 ˚C
n
Remote temperature readings with digital filtering:
— 0.03125 ˚C LSb with filtering
— 12-bits plus sign or 13-bits programmable resolution
— 13-bits resolves temperatures above 127 ˚C
n
Local temperature readings:
— 0.25 ˚C
— 9-bits plus sign
n
Status register support
n
Programmable conversion rate allows user optimization
of power consumption
n
Shutdown mode one-shot conversion control
n
SMBus 2.0 compatible interface, supports TIMEOUT
n
8-pin MSOP package
Key Specifications
j Remote Diode Temperature Accuracy
T
A=20˚C to 40˚C, TD=45˚C to 85˚C
±1.25 ˚C (max)
T
A=0˚C to 85˚C, TD=25˚C to 140˚C
±2.5 ˚C (max)
j Local Temperature Accuracy
T
A=0˚C to 85˚C
±3.0 ˚C (max)
j Supply Voltage
3.0 V to 3.6 V
j Average Supply Current
471 µA (typ)
Applications
n
Processor/Computer System Thermal Management
(e.g. Laptop, Desktop, Workstations, Server)
n
Electronic Test Equipment
n
Office Electronics
Connection Diagram
MSOP-8
20199702
TOP VIEW
TruThermis a trademark of National Semiconductor Corporation.
I2C® is a registered trademark of Philips Corporation.
Pentium® is a registered trademark of Intel Corporation.
September 2006
© 2006 National Semiconductor Corporation
DS201997
www.national.com


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19 


Datasheet Download




Enlace URL




Privacy Policy
ALLDATASHEET.ES
Does ALLDATASHEET help your business so far?  [ DONATE ]  

Todo acerca de Alldatasheet   |   Publicidad   |   Contáctenos   |   Política de Privacidad   |   Favorito   |   Intercambio de Enlaces   |   Lista de Fabricantes
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn