Datasheet > LM95241CIMM

LM95241CIMM

更新时间： 2024-11-24 03:51:39

品牌	Logo	应用领域
美国国家半导体 - NSC		二极管传感器温度传感器
页数	文件大小	规格书
19页	718K
描述
Dual Remote Diode Temperature Sensor with SMBus Interface and TruTherm⑩ Technology (65nm/90nm)

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LM95241CIMM 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	MO-187, MSOP-8	Reach Compliance Code：	not_compliant
风险等级：	5.19	JESD-609代码：	e0
安装特点：	SURFACE MOUNT	端子数量：	8
最高工作温度：	85 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装等效代码：	TSSOP8,.19
封装形状/形式：	RECTANGULAR	电源：	3.3 V
传感器/换能器类型：	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,DUAL TRIP POINT	子类别：	Other Sensors
表面贴装：	YES	端子面层：	Tin/Lead (Sn/Pb)
Base Number Matches：	1

LM95241CIMM 数据手册

September 2006

LM95241

Dual Remote Diode Temperature Sensor with SMBus

™

Interface and TruTherm Technology (65nm/90nm)

n Remote temperature readings without digital filtering:

General Description

— 0.125 ˚C LSb

The LM95241 is a precision dual remote diode temperature

— 10-bits plus sign or 11-bits programmable resolution

sensor (RDTS) that uses National’s TruTherm technology.

— 11-bits resolves temperatures above 127 ˚C

The 2-wire serial interface of the LM95241 is compatible with

SMBus 2.0. The LM95241 can sense three temperature

n Remote temperature readings with digital filtering:

— 0.03125 ˚C LSb with filtering

zones, it can measure the temperature of its own die as well

— 12-bits plus sign or 13-bits programmable resolution

as two diode connected transistors. The LM95241 includes

— 13-bits resolves temperatures above 127 ˚C

digital filtering and an advanced input stage that includes

n Local temperature readings:

analog filtering and TruTherm technology that reduces

— 0.25 ˚C

processor-to-processor non-ideality spread. The diode con-

— 9-bits plus sign

nected transistors can be a “thermal diode” as found in Intel

and AMD processors or can simply be a diode connected

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

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.

Key Specifications

Remote Diode Temperature Accuracy

T_A=20˚C to 40˚C, T_D=45˚C to 85˚C

T_A=0˚C to 85˚C, T_D=25˚C to 140˚C

Local Temperature Accuracy

T_A=0˚C to 85˚C

1.25 ˚C (max)

2.5 ˚C (max)

3.0 ˚C (max)

3.0 V to 3.6 V

471 µA (typ)

Features

Supply Voltage

n Accurately senses die temperature of remote ICs or

diode junctions

Average Supply Current

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

Applications

n Processor/Computer System Thermal Management

(e.g. Laptop, Desktop, Workstations, Server)

n Electronic Test Equipment

n Office Electronics

n Remote diode fault detection

n On-board local temperature sensing

Connection Diagram

MSOP-8

20199702

TOP VIEW

™

TruTherm is a trademark of National Semiconductor Corporation.

I2C^®is a registered trademark of Philips Corporation.

Pentium^®is a registered trademark of Intel Corporation.

DS201997

www.national.com

12 3 4 5 6 7...19

中文翻译

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LM95241CIMM 替代型号

型号	品牌	替代类型	描述	数据表
LM95241CIMMX/NOPB	TI	功能相似	Dual Remote Diode Temperature Sensor with SMB
LM95241CIMM/NOPB	TI	功能相似	Dual Remote Diode Temperature Sensor with SMB
LM95241CIMM-1/NOPB	TI	功能相似	Dual Remote Diode Temperature Sensor with SMB

与LM95241CIMM相关器件

型号	品牌	获取价格	描述	数据表
LM95241CIMM/NOPB	TI	获取价格	Dual Remote Diode Temperature Sensor with SMB
LM95241CIMM-1	NSC	获取价格	Dual Remote Diode Temperature Sensor with SMB
LM95241CIMM-1/NOPB	TI	获取价格	Dual Remote Diode Temperature Sensor with SMB
LM95241CIMM-2	NSC	获取价格	Dual Remote Diode Temperature Sensor with SMB
LM95241CIMM-2/NOPB	TI	获取价格	Dual Remote Diode Temperature Sensor with SMB
LM95241CIMMX	NSC	获取价格	Dual Remote Diode Temperature Sensor with SMB
LM95241CIMMX/NOPB	TI	获取价格	Dual Remote Diode Temperature Sensor with SMB
LM95241CIMMX-1	NSC	获取价格	Dual Remote Diode Temperature Sensor with SMB
LM95241CIMMX-1/NOPB	TI	获取价格	Dual Remote and Local Temperature Sensor with TruTherm Technology and SMBus, I<sup>2
LM95241CIMMX-2	NSC	获取价格	Dual Remote Diode Temperature Sensor with SMB

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